Index

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
All Classes and Interfaces|All Packages|Constant Field Values|Serialized Form

A

abort() - Method in class dev.hardwood.writer.ParquetFileWriter

Discards the output without publishing a file, leaving nothing at the destination, and closes the writer.

accessKeyId() - Method in record class dev.hardwood.s3.S3Credentials

Returns the value of the accessKeyId record component.

addBinary(byte[]) - Method in interface dev.hardwood.writer.ListBuilder

Appends a BYTE_ARRAY or FIXED_LEN_BYTE_ARRAY entry.

addBoolean(boolean) - Method in interface dev.hardwood.writer.ListBuilder

Appends a BOOLEAN entry.

addColumn(String, PhysicalType, RepetitionType) - Method in class dev.hardwood.schema.FileSchema.Builder

Append a primitive column.

addColumn(String, PhysicalType, RepetitionType) - Method in class dev.hardwood.schema.FileSchema.StructBuilder

Append a primitive field.

addColumn(String, PhysicalType, RepetitionType, int) - Method in class dev.hardwood.schema.FileSchema.Builder

Append a primitive column, giving the fixed byte length of a FIXED_LEN_BYTE_ARRAY column.

addColumn(String, PhysicalType, RepetitionType, int) - Method in class dev.hardwood.schema.FileSchema.StructBuilder

Append a primitive field, giving the fixed byte length of a FIXED_LEN_BYTE_ARRAY column.

addColumn(String, PhysicalType, RepetitionType, int, LogicalType) - Method in class dev.hardwood.schema.FileSchema.Builder

Append a primitive column carrying a logical type annotation, giving the fixed byte length of a FIXED_LEN_BYTE_ARRAY column.

addColumn(String, PhysicalType, RepetitionType, int, LogicalType) - Method in class dev.hardwood.schema.FileSchema.StructBuilder

Append a primitive field carrying a logical type annotation, giving the fixed byte length of a FIXED_LEN_BYTE_ARRAY column.

addColumn(String, PhysicalType, RepetitionType, LogicalType) - Method in class dev.hardwood.schema.FileSchema.Builder

Append a primitive column carrying a logical type annotation.

addColumn(String, PhysicalType, RepetitionType, LogicalType) - Method in class dev.hardwood.schema.FileSchema.StructBuilder

Append a primitive field carrying a logical type annotation.

addDate(LocalDate) - Method in interface dev.hardwood.writer.ListBuilder

Appends a DATE entry.

addDecimal(BigDecimal) - Method in interface dev.hardwood.writer.ListBuilder

Appends a DECIMAL entry.

addDouble(double) - Method in interface dev.hardwood.writer.ListBuilder

Appends a DOUBLE entry.

addEntry(Consumer) - Method in interface dev.hardwood.writer.MapBuilder

Appends one entry, populating its key and value fields through filler.

addFloat(float) - Method in interface dev.hardwood.writer.ListBuilder

Appends a FLOAT entry.

addInt(int) - Method in interface dev.hardwood.writer.ListBuilder

Appends an INT32 entry.

addInterval(PqInterval) - Method in interface dev.hardwood.writer.ListBuilder

Appends an INTERVAL entry.

addList(Consumer) - Method in interface dev.hardwood.writer.ListBuilder

Appends a nested list entry, populating it through filler.

addLocalTimestamp(LocalDateTime) - Method in interface dev.hardwood.writer.ListBuilder

Appends a local-wall-clock TIMESTAMP entry.

addLong(long) - Method in interface dev.hardwood.writer.ListBuilder

Appends an INT64 entry.

addMap(Consumer) - Method in interface dev.hardwood.writer.ListBuilder

Appends a map entry, populating it through filler.

addNull() - Method in interface dev.hardwood.writer.ListBuilder

Appends a null entry, which occupies a position in the list — distinct from the list itself being absent, and from the list being empty.

addString(String) - Method in interface dev.hardwood.writer.ListBuilder

Appends a STRING, ENUM or JSON entry from its UTF-8 bytes.

addStruct(Consumer) - Method in interface dev.hardwood.writer.ListBuilder

Appends a struct entry, populating it through filler.

addTime(LocalTime) - Method in interface dev.hardwood.writer.ListBuilder

Appends a TIME entry.

addTimestamp(Instant) - Method in interface dev.hardwood.writer.ListBuilder

Appends a UTC-adjusted TIMESTAMP entry.

addUuid(UUID) - Method in interface dev.hardwood.writer.ListBuilder

Appends a UUID entry.

all() - Static method in class dev.hardwood.schema.ColumnProjection

Returns a projection that includes all columns.

and(FilterPredicate...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a conjunction of filters.

and(FilterPredicate, FilterPredicate) - Static method in interface dev.hardwood.reader.FilterPredicate

and(RowGroupPredicate...) - Static method in interface dev.hardwood.reader.RowGroupPredicate

Keep row groups that match every child predicate (intersection).

And(List) - Constructor for record class dev.hardwood.reader.FilterPredicate.And

Creates an instance of a And record class.

And(List) - Constructor for record class dev.hardwood.reader.RowGroupPredicate.And

Creates an instance of a And record class.

ANDOYER - Enum constant in enum class dev.hardwood.metadata.LogicalType.EdgeInterpolationAlgorithm

ARRAY - Enum constant in enum class dev.hardwood.row.VariantType

Array — ordered collection of Variant values.

asArray() - Method in interface dev.hardwood.row.PqVariant

Unwrap as a Variant array view for indexed element access.

asBinary() - Method in interface dev.hardwood.row.PqVariant

Extract opaque binary bytes.

asBoolean() - Method in interface dev.hardwood.row.PqVariant

Extract a boolean.

ASCENDING - Enum constant in enum class dev.hardwood.metadata.ColumnIndex.BoundaryOrder

asDate() - Method in interface dev.hardwood.row.PqVariant

Extract a date (days since Unix epoch).

asDecimal() - Method in interface dev.hardwood.row.PqVariant

Extract a decimal.

asDouble() - Method in interface dev.hardwood.row.PqVariant

Extract a double.

asFloat() - Method in interface dev.hardwood.row.PqVariant

Extract a float.

asInt() - Method in interface dev.hardwood.row.PqVariant

Extract an int.

asLocalTimestamp() - Method in interface dev.hardwood.row.PqVariant

Extract a local-wall-clock timestamp.

asLong() - Method in interface dev.hardwood.row.PqVariant

Extract a long.

asObject() - Method in interface dev.hardwood.row.PqVariant

Unwrap as a Variant object view for name-based field navigation.

asString() - Method in interface dev.hardwood.row.PqVariant

Extract a UTF-8 string.

asTime() - Method in interface dev.hardwood.row.PqVariant

Extract a time of day.

asTimestamp() - Method in interface dev.hardwood.row.PqVariant

Extract a UTC-adjusted timestamp.

asUuid() - Method in interface dev.hardwood.row.PqVariant

Extract a UUID (16 bytes, big-endian).

AUTO - Enum constant in enum class dev.hardwood.writer.ColumnEncoding

Let the writer choose, per column chunk, between a dictionary and PLAIN.

AvroReaders - Class in dev.hardwood.avro

Factory for creating AvroRowReader instances from a ParquetFileReader.

AvroReaders.RowReaderBuilder - Class in dev.hardwood.avro

Builds an AvroRowReader with optional projection, filter, and head/tail row limit.

AvroRowReader - Class in dev.hardwood.avro

Reads Parquet rows as Avro GenericRecord instances.

B

batchSize(int) - Method in class dev.hardwood.reader.ParquetFileReader.ColumnReaderBuilder

Set the maximum number of records to return in each batch.

batchSize(int) - Method in class dev.hardwood.reader.ParquetFileReader.ColumnReadersBuilder

Set the maximum number of records to return in each batch for all columns.

BatchWaitEvent - Class in dev.hardwood.jfr

JFR event emitted when the consumer thread blocks waiting for a batch to be assembled by the assembly thread.

BatchWaitEvent() - Constructor for class dev.hardwood.jfr.BatchWaitEvent

bbox() - Method in record class dev.hardwood.metadata.GeospatialStatistics

Returns the value of the bbox record component.

binaries() - Method in interface dev.hardwood.row.PqList

View the elements as a List of binary (byte[]) values.

BINARY - Enum constant in enum class dev.hardwood.row.VariantType

Opaque byte sequence.

BinaryColumnPredicate(String, FilterPredicate.Operator, byte[]) - Constructor for record class dev.hardwood.reader.FilterPredicate.BinaryColumnPredicate

Creates an instance of a BinaryColumnPredicate record class.

BinaryDictionary - Class in dev.hardwood.reader

The dictionary of a BYTE_ARRAY, FIXED_LEN_BYTE_ARRAY or INT96 column chunk, from ColumnReader.getBinaryDictionary().

BinaryInPredicate(String, byte[][]) - Constructor for record class dev.hardwood.reader.FilterPredicate.BinaryInPredicate

Creates an instance of a BinaryInPredicate record class.

BIT_PACKED - Enum constant in enum class dev.hardwood.metadata.Encoding

Bit-packed encoding (deprecated in favor of Encoding.RLE).

bitWidth() - Method in record class dev.hardwood.metadata.LogicalType.IntType

Returns the value of the bitWidth record component.

bloomFilter(String) - Method in class dev.hardwood.writer.WriterConfig.Builder

Writes a Bloom filter for one leaf column, at WriterConfig.DEFAULT_BLOOM_FILTER_FPP; must be non-null.

bloomFilter(String, double) - Method in class dev.hardwood.writer.WriterConfig.Builder

Writes a Bloom filter for one leaf column, with the given false-positive probability; the path must be non-null and the probability strictly between 0 and 1.

bloomFilterLength() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the bloomFilterLength record component.

bloomFilterOffset() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the bloomFilterOffset record component.

bloomFilters() - Method in class dev.hardwood.writer.WriterConfig

The columns that carry a Bloom filter, keyed by dotted leaf path, each with its filter's false-positive probability.

BOOLEAN - Enum constant in enum class dev.hardwood.metadata.PhysicalType

Single-bit boolean value.

BOOLEAN_FALSE - Enum constant in enum class dev.hardwood.row.VariantType

Boolean false.

BOOLEAN_TRUE - Enum constant in enum class dev.hardwood.row.VariantType

Boolean true.

BooleanColumnPredicate(String, FilterPredicate.Operator, boolean) - Constructor for record class dev.hardwood.reader.FilterPredicate.BooleanColumnPredicate

Creates an instance of a BooleanColumnPredicate record class.

booleans() - Method in interface dev.hardwood.row.PqList

View the elements as a List of boolean values.

booleans(int, boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED BOOLEAN column, addressed by index.

booleans(int, boolean[], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL BOOLEAN column, addressed by index, with a plain mask.

booleans(int, boolean[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL BOOLEAN column, addressed by index.

booleans(String, boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED BOOLEAN column, addressed by name.

booleans(String, boolean[], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL BOOLEAN column, addressed by name, with a plain mask.

booleans(String, boolean[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL BOOLEAN column, addressed by name.

boundaryOrder() - Method in record class dev.hardwood.metadata.ColumnIndex

Returns the value of the boundaryOrder record component.

BoundingBox - Record Class in dev.hardwood.metadata

BoundingBox(double, double, double, double, Double, Double, Double, Double) - Constructor for record class dev.hardwood.metadata.BoundingBox

Creates an instance of a BoundingBox record class.

BROTLI - Enum constant in enum class dev.hardwood.metadata.CompressionCodec

Brotli compression (high ratio).

bson() - Static method in interface dev.hardwood.metadata.LogicalType

The BSON annotation, for a BSON document stored as a byte array.

BSON - Enum constant in enum class dev.hardwood.metadata.ConvertedType

BSON document stored as a byte array.

BsonType() - Constructor for record class dev.hardwood.metadata.LogicalType.BsonType

Creates an instance of a BsonType record class.

buffer() - Method in class dev.hardwood.InMemoryOutputFile

The file that was written.

build() - Method in class dev.hardwood.avro.AvroReaders.RowReaderBuilder

build() - Method in interface dev.hardwood.HardwoodContext.Builder

Builds the context.

build() - Method in class dev.hardwood.reader.ParquetFileReader.ColumnReaderBuilder

build() - Method in class dev.hardwood.reader.ParquetFileReader.ColumnReadersBuilder

build() - Method in class dev.hardwood.reader.ParquetFileReader.RowReaderBuilder

build() - Method in class dev.hardwood.reader.ReaderConfig.Builder

Builds the immutable configuration.

build() - Method in class dev.hardwood.s3.S3Source.Builder

Builds the S3Source.

build() - Method in class dev.hardwood.schema.FileSchema.Builder

Build the schema.

build() - Method in class dev.hardwood.writer.WriterConfig.Builder

Builds the immutable configuration.

buildColumnReader(int) - Method in class dev.hardwood.reader.ParquetFileReader

Begin configuring a single-column ColumnReader by column index.

buildColumnReader(String) - Method in class dev.hardwood.reader.ParquetFileReader

Begin configuring a single-column ColumnReader.

buildColumnReaders(ColumnProjection) - Method in class dev.hardwood.reader.ParquetFileReader

Begin configuring a ColumnReaders collection for batch-oriented access to a column projection.

builder() - Static method in interface dev.hardwood.HardwoodContext

Starts building a context.

builder() - Static method in class dev.hardwood.reader.ReaderConfig

A builder for setting reader options.

builder() - Static method in class dev.hardwood.s3.S3Source

Creates a new S3Source.Builder.

builder() - Static method in class dev.hardwood.writer.WriterConfig

A builder pre-populated with the defaults.

builder(String) - Static method in class dev.hardwood.schema.FileSchema

Creates a builder for constructing a schema, flat or nested, programmatically, for use with the writer.

buildRowReader() - Method in class dev.hardwood.reader.ParquetFileReader

Begin configuring a RowReader with optional projection, filter, and head/tail limit.

buildRowReader(ParquetFileReader) - Static method in class dev.hardwood.avro.AvroReaders

Begin configuring an AvroRowReader with optional projection, filter, and head/tail row limit.

BYTE_ARRAY - Enum constant in enum class dev.hardwood.metadata.PhysicalType

Variable-length byte array (also used for strings).

BYTE_STREAM_SPLIT - Enum constant in enum class dev.hardwood.metadata.Encoding

Byte-stream split encoding for floating-point data.

BYTE_STREAM_SPLIT - Enum constant in enum class dev.hardwood.writer.ColumnEncoding

A value's bytes scattered across one stream per byte position.

byteRange(long, long) - Static method in interface dev.hardwood.reader.RowGroupPredicate

Keep row groups whose data midpoint — start of the first column chunk plus half of the on-disk compressed size — falls in [startInclusive, endExclusive).

ByteRange(long, long) - Constructor for record class dev.hardwood.reader.RowGroupPredicate.ByteRange

Creates an instance of a ByteRange record class.

bytes(int, byte[][]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED BYTE_ARRAY column, addressed by index.

bytes(int, byte[][], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL BYTE_ARRAY column, addressed by index, with a plain mask.

bytes(int, byte[][], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL BYTE_ARRAY column, addressed by index.

bytes(String, byte[][]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED BYTE_ARRAY column, addressed by name.

bytes(String, byte[][], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL BYTE_ARRAY column, addressed by name, with a plain mask.

bytes(String, byte[][], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL BYTE_ARRAY column, addressed by name.

C

check() - Method in exception class dev.hardwood.reader.StaleMetadataException

The check the supplied footer failed.

children() - Method in record class dev.hardwood.reader.RowGroupPredicate.And

Returns the value of the children record component.

children() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns the value of the children record component.

chunkStartOffset() - Method in record class dev.hardwood.metadata.ColumnChunk

Computes the absolute file offset where a column chunk's data starts.

close() - Method in class dev.hardwood.avro.AvroRowReader

close() - Method in class dev.hardwood.Hardwood

close() - Method in interface dev.hardwood.HardwoodContext

close() - Method in class dev.hardwood.InMemoryOutputFile

close() - Method in interface dev.hardwood.OutputFile

Finalizes the file and publishes it at the destination.

close() - Method in class dev.hardwood.reader.ColumnReader

Releases the resources held by this reader.

close() - Method in class dev.hardwood.reader.ColumnReaders

Releases the resources held by every reader of this group, after which ColumnReaders.nextBatch() throws IllegalStateException.

close() - Method in class dev.hardwood.reader.ParquetFileReader

Waits for the child builds under way, which fail and close what they built, then closes every child reader still open, which stops its workers and waits for the prefetches its read started, then this reader's metadata, an owned context and owned input files.

close() - Method in interface dev.hardwood.reader.RowReader

Releases the resources held by this reader.

close() - Method in class dev.hardwood.s3.S3InputFile

close() - Method in class dev.hardwood.s3.S3Source

close() - Method in class dev.hardwood.writer.ParquetFileWriter

Finishes the file: writes the row group still buffered and the footer, and publishes the file at the destination.

codec() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the codec record component.

codec() - Method in class dev.hardwood.writer.WriterConfig

The codec each page body is compressed with.

codec(CompressionCodec) - Method in class dev.hardwood.writer.WriterConfig.Builder

Sets the codec each page body is compressed with; must be non-null.

column - Variable in class dev.hardwood.jfr.BatchWaitEvent

column - Variable in class dev.hardwood.jfr.PageDecodedEvent

column - Variable in class dev.hardwood.jfr.PageFilterEvent

column - Variable in class dev.hardwood.jfr.PrefetchMissEvent

column - Variable in class dev.hardwood.jfr.RowGroupScannedEvent

column() - Method in record class dev.hardwood.reader.FilterPredicate.BinaryColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.BinaryInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.BooleanColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.DateColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.DateInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.DecimalColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.DecimalInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.DoubleColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.DoubleInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.FloatColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.FloatInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.InstantColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.InstantInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.IntColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.IntersectsPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.IntervalColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.IntervalInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.IntInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.IsNotNullPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.IsNullPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.LocalDateTimeColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.LocalDateTimeInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.LongColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.LongInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.StringColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.StringInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.TimeColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.TimeInPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.UUIDColumnPredicate

Returns the value of the column record component.

column() - Method in record class dev.hardwood.reader.FilterPredicate.UUIDInPredicate

Returns the value of the column record component.

ColumnBatch - Class in dev.hardwood.writer

One aligned slice of a file's columns.

ColumnChunk - Record Class in dev.hardwood.metadata

Column chunk metadata.

ColumnChunk(ColumnMetaData, Long, Integer, Long, Integer, String) - Constructor for record class dev.hardwood.metadata.ColumnChunk

A null filePath is normalised to the empty string, so the two ways of saying "this file" — the field absent and the field set to the empty string the spec allows — have one representation, and ColumnChunk.requireSameFile() has nothing to guard against.

columnCount - Variable in class dev.hardwood.jfr.FileOpenedEvent

ColumnDictionary - Interface in dev.hardwood.reader

The dictionary of one column chunk: the distinct values a dictionary-encoded column stores once, which ColumnReader.getDictionaryIds() refers to by entry.

ColumnEncoding - Enum Class in dev.hardwood.writer

How a column's values are encoded, set file-wide or per leaf column through WriterConfig.Builder.encoding(ColumnEncoding).

columnEncodings() - Method in class dev.hardwood.writer.WriterConfig

The per-column encoding policies, keyed by dotted leaf path.

columnIndex() - Method in record class dev.hardwood.schema.ColumnSchema

Returns the value of the columnIndex record component.

columnIndex() - Method in record class dev.hardwood.schema.SchemaNode.PrimitiveNode

Returns the value of the columnIndex record component.

ColumnIndex - Record Class in dev.hardwood.metadata

Column index for a column chunk, providing per-page min/max statistics for page-level filtering.

ColumnIndex(boolean[], List, List, ColumnIndex.BoundaryOrder, long[], long[], long[], long[]) - Constructor for record class dev.hardwood.metadata.ColumnIndex

Creates an instance of a ColumnIndex record class.

ColumnIndex.BoundaryOrder - Enum Class in dev.hardwood.metadata

Ordering of min/max values across pages.

columnIndexLength() - Method in record class dev.hardwood.metadata.ColumnChunk

Returns the value of the columnIndexLength record component.

columnIndexOffset() - Method in record class dev.hardwood.metadata.ColumnChunk

Returns the value of the columnIndexOffset record component.

ColumnMetaData - Record Class in dev.hardwood.metadata

Metadata for a column chunk.

ColumnMetaData(PhysicalType, List, FieldPath, CompressionCodec, long, long, long, Map, long, Long, Statistics, GeospatialStatistics, Long, Integer, List, SizeStatistics) - Constructor for record class dev.hardwood.metadata.ColumnMetaData

Creates an instance of a ColumnMetaData record class.

ColumnOrder - Enum Class in dev.hardwood.metadata

The ordering used for a leaf column's min/max statistics, decoded from the FileMetaData.column_orders union.

columnOrders() - Method in record class dev.hardwood.metadata.FileMetaData

Returns the value of the columnOrders record component.

ColumnProjection - Class in dev.hardwood.schema

Specifies which columns to read from a Parquet file.

columnReader(int) - Method in class dev.hardwood.reader.ParquetFileReader

Shortcut for ParquetFileReader.buildColumnReader(int).build() — read every row group of the column at the given index with no filter.

columnReader(String) - Method in class dev.hardwood.reader.ParquetFileReader

Shortcut for ParquetFileReader.buildColumnReader(String).build() — read every row group of the named column with no filter.

ColumnReader - Class in dev.hardwood.reader

Batch-oriented column reader for reading a single column across all row groups.

columnReaders(ColumnProjection) - Method in class dev.hardwood.reader.ParquetFileReader

Shortcut for ParquetFileReader.buildColumnReaders(ColumnProjection).build() — every row group, no filter.

ColumnReaders - Class in dev.hardwood.reader

Holds multiple ColumnReader instances backed by one shared decode pipeline for batch-oriented projection reads.

columns() - Method in record class dev.hardwood.metadata.RowGroup

Returns the value of the columns record component.

columns(String...) - Static method in class dev.hardwood.schema.ColumnProjection

Returns a projection that includes only the specified columns.

ColumnSchema - Record Class in dev.hardwood.schema

Represents a primitive column in a Parquet schema.

ColumnSchema(FieldPath, PhysicalType, RepetitionType, Integer, int, int, int, LogicalType) - Constructor for record class dev.hardwood.schema.ColumnSchema

Creates an instance of a ColumnSchema record class.

columnWriter() - Method in class dev.hardwood.writer.ParquetFileWriter

Returns the column-oriented view over this file: a batch-shaped API for callers that hold columns rather than records.

ColumnWriter - Class in dev.hardwood.writer

Writes a Parquet file one aligned batch of columns at a time.

compressedPageSize() - Method in record class dev.hardwood.metadata.PageLocation

Returns the value of the compressedPageSize record component.

compressedSize - Variable in class dev.hardwood.jfr.PageDecodedEvent

CompressionCodec - Enum Class in dev.hardwood.metadata

Compression codecs supported by Parquet.

connectTimeout(Duration) - Method in class dev.hardwood.s3.S3Source.Builder

Sets the connect timeout for the HTTP client (default 10 seconds).

containsKey(byte[]) - Method in interface dev.hardwood.row.PqMap

True if this map contains an entry with the given byte-array key.

containsKey(int) - Method in interface dev.hardwood.row.PqMap

True if this map contains an entry with the given INT32 key.

containsKey(long) - Method in interface dev.hardwood.row.PqMap

True if this map contains an entry with the given INT64 key.

containsKey(String) - Method in interface dev.hardwood.row.PqMap

True if this map contains an entry with the given STRING key.

convertedType() - Method in record class dev.hardwood.metadata.SchemaElement

Returns the value of the convertedType record component.

convertedType() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns the value of the convertedType record component.

ConvertedType - Enum Class in dev.hardwood.metadata

Legacy converted types in Parquet schema (used by PyArrow for LIST/MAP annotation).

count() - Method in record class dev.hardwood.metadata.PageEncodingStats

Returns the value of the count record component.

create() - Static method in class dev.hardwood.Hardwood

Create a new Hardwood instance with a thread pool sized to available processors.

create() - Static method in interface dev.hardwood.HardwoodContext

Create a new context with a thread pool sized to available processors.

create() - Method in class dev.hardwood.InMemoryOutputFile

create() - Method in interface dev.hardwood.OutputFile

Performs resource acquisition (e.g. opening a file channel).

create(int) - Static method in interface dev.hardwood.HardwoodContext

Create a new context with a thread pool of the specified size.

create(HardwoodContext) - Static method in class dev.hardwood.Hardwood

Create a new Hardwood instance backed by the given context, e.g. one created via HardwoodContext.create(int) to size the decode thread pool.

create(OutputFile, FileSchema) - Static method in class dev.hardwood.writer.ParquetFileWriter

Opens a writer with the default WriterConfig.

create(OutputFile, FileSchema, WriterConfig) - Static method in class dev.hardwood.writer.ParquetFileWriter

Opens a writer, writing the leading magic bytes.

createdBy() - Method in record class dev.hardwood.metadata.FileMetaData

Returns the value of the createdBy record component.

createdBy(String) - Method in class dev.hardwood.writer.ParquetFileWriter

Replaces the footer's created_by identifier, which defaults to ParquetFileWriter.DEFAULT_CREATED_BY.

credentials() - Method in interface dev.hardwood.s3.S3CredentialsProvider

Returns the current credentials.

credentials(S3Credentials) - Method in class dev.hardwood.s3.S3Source.Builder

Sets static credentials (convenience shorthand).

credentials(S3CredentialsProvider) - Method in class dev.hardwood.s3.S3Source.Builder

Sets the credential provider.

crs() - Method in record class dev.hardwood.metadata.LogicalType.GeographyType

Returns the value of the crs record component.

crs() - Method in record class dev.hardwood.metadata.LogicalType.GeometryType

Returns the value of the crs record component.

D

DATA_PAGE - Enum constant in enum class dev.hardwood.metadata.PageType

A v1 data page: the repetition levels, definition levels and values are compressed together as a single payload.

DATA_PAGE_V2 - Enum constant in enum class dev.hardwood.metadata.PageType

A v2 data page: the repetition and definition levels are stored uncompressed and length-prefixed ahead of the compressed values, so they can be read without decompressing the page.

dataPageOffset() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the dataPageOffset record component.

date() - Static method in interface dev.hardwood.metadata.LogicalType

The DATE annotation, for a calendar date in days since the Unix epoch.

DATE - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Calendar date (days since Unix epoch), stored as INT32.

DATE - Enum constant in enum class dev.hardwood.row.VariantType

Date (days since Unix epoch).

DateColumnPredicate(String, FilterPredicate.Operator, LocalDate) - Constructor for record class dev.hardwood.reader.FilterPredicate.DateColumnPredicate

Creates an instance of a DateColumnPredicate record class.

DateInPredicate(String, List) - Constructor for record class dev.hardwood.reader.FilterPredicate.DateInPredicate

Creates an instance of a DateInPredicate record class.

dates() - Method in interface dev.hardwood.row.PqList

View the elements as a List of LocalDate values.

DateType() - Constructor for record class dev.hardwood.metadata.LogicalType.DateType

Creates an instance of a DateType record class.

days() - Method in record class dev.hardwood.row.PqInterval

Returns the value of the days record component.

decimal(int, int) - Static method in interface dev.hardwood.metadata.LogicalType

The DECIMAL annotation, for a decimal of a given precision and scale.

DECIMAL - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Decimal with scale and precision stored in the schema element.

DECIMAL16 - Enum constant in enum class dev.hardwood.row.VariantType

Decimal with up to 38 digits (stored as 128-bit unscaled + scale).

DECIMAL4 - Enum constant in enum class dev.hardwood.row.VariantType

Decimal with up to 9 digits (stored as 32-bit unscaled + scale).

DECIMAL8 - Enum constant in enum class dev.hardwood.row.VariantType

Decimal with up to 18 digits (stored as 64-bit unscaled + scale).

DecimalColumnPredicate(String, FilterPredicate.Operator, BigDecimal) - Constructor for record class dev.hardwood.reader.FilterPredicate.DecimalColumnPredicate

Creates an instance of a DecimalColumnPredicate record class.

DecimalInPredicate(String, List) - Constructor for record class dev.hardwood.reader.FilterPredicate.DecimalInPredicate

Creates an instance of a DecimalInPredicate record class.

decimals() - Method in interface dev.hardwood.row.PqList

View the elements as a List of BigDecimal values.

DecimalType(int, int) - Constructor for record class dev.hardwood.metadata.LogicalType.DecimalType

Creates an instance of a DecimalType record class.

DEFAULT_BLOOM_FILTER_FPP - Static variable in class dev.hardwood.writer.WriterConfig

Default false-positive probability of a column's Bloom filter: 1%.

DEFAULT_CODEC - Static variable in class dev.hardwood.writer.WriterConfig

Default page compression codec: ZSTD when the zstd-jni library is on the classpath, otherwise UNCOMPRESSED.

DEFAULT_CREATED_BY - Static variable in class dev.hardwood.writer.ParquetFileWriter

Default created_by identifier written into the file footer, in the <app> version <version> (build <hash>) convention Parquet readers parse — for example hardwood version 1.1.0 (build a093aab).

DEFAULT_ENCODING - Static variable in class dev.hardwood.writer.WriterConfig

Default encoding policy: ColumnEncoding.AUTO, leaving each column chunk's encoding to the size comparison the writer makes once the row group is buffered.

DEFAULT_PAGE_TARGET_BYTES - Static variable in class dev.hardwood.writer.WriterConfig

Default page target: 1 MiB of encoded values per data page.

DEFAULT_PAGE_TARGET_ROWS - Static variable in class dev.hardwood.writer.WriterConfig

Default page row target: 20,000 records per data page.

DEFAULT_PRECISION_LOSS_POLICY - Static variable in class dev.hardwood.writer.WriterConfig

Default precision-loss policy: reject a value the column cannot hold exactly, rather than silently dropping the digits that do not fit.

DEFAULT_ROW_GROUP_BUFFER_TARGET_BYTES - Static variable in class dev.hardwood.writer.WriterConfig

Default row-group buffer target: 128 MiB of buffered values per row group.

DEFAULT_ROW_GROUP_TARGET_ROWS - Static variable in class dev.hardwood.writer.WriterConfig

Default row-group row target: 1,048,576 records.

DEFAULT_STATISTICS_TRUNCATION_LENGTH - Static variable in class dev.hardwood.writer.WriterConfig

Default statistics truncation length: BYTE_ARRAY min / max bounds longer than 64 bytes are truncated and flagged inexact.

defaultChain() - Static method in class dev.hardwood.aws.auth.SdkCredentialsProviders

Returns a provider backed by the AWS SDK's default credential chain, which resolves environment variables, profile files and container and instance metadata.

defaultEncoding() - Method in class dev.hardwood.writer.WriterConfig

The encoding policy for columns with no override of their own.

defaults() - Static method in class dev.hardwood.reader.ReaderConfig

The default configuration (no options set).

defaults() - Static method in class dev.hardwood.writer.WriterConfig

The default configuration.

definitionLevelHistogram() - Method in record class dev.hardwood.metadata.SizeStatistics

Returns the value of the definitionLevelHistogram record component.

definitionLevelHistogram(int) - Method in record class dev.hardwood.metadata.ColumnIndex

Returns one page's slice of ColumnIndex.definitionLevelHistograms(), or null if the file records no definition-level histogram for this chunk.

definitionLevelHistograms() - Method in record class dev.hardwood.metadata.ColumnIndex

Returns the value of the definitionLevelHistograms record component.

delegate() - Method in record class dev.hardwood.reader.FilterPredicate.Not

Returns the value of the delegate record component.

DELTA_BINARY_PACKED - Enum constant in enum class dev.hardwood.metadata.Encoding

Delta encoding for integers.

DELTA_BINARY_PACKED - Enum constant in enum class dev.hardwood.writer.ColumnEncoding

Differences between neighbouring values, bit-packed against the smallest difference in each block.

DELTA_BYTE_ARRAY - Enum constant in enum class dev.hardwood.metadata.Encoding

Incremental (delta) encoding for byte arrays.

DELTA_BYTE_ARRAY - Enum constant in enum class dev.hardwood.writer.ColumnEncoding

Each value carrying only what it does not share with the value before it.

DELTA_LENGTH_BYTE_ARRAY - Enum constant in enum class dev.hardwood.metadata.Encoding

Delta encoding for byte array lengths.

DELTA_LENGTH_BYTE_ARRAY - Enum constant in enum class dev.hardwood.writer.ColumnEncoding

The lengths delta-encoded ahead of the values, which is cheaper than PLAIN's per-value 4-byte length prefix wherever the lengths are similar.

DESCENDING - Enum constant in enum class dev.hardwood.metadata.ColumnIndex.BoundaryOrder

dev.hardwood - package dev.hardwood

Core entry points for reading Parquet files.

dev.hardwood.avro - package dev.hardwood.avro

Avro integration for materializing Parquet rows as Avro GenericRecord instances.

dev.hardwood.aws.auth - package dev.hardwood.aws.auth

Bridge between the AWS SDK credential chain and S3Source.

dev.hardwood.jfr - package dev.hardwood.jfr

Java Flight Recorder (JFR) events for diagnosing read performance.

dev.hardwood.metadata - package dev.hardwood.metadata

Low-level Parquet file metadata types that mirror the Thrift definitions.

dev.hardwood.reader - package dev.hardwood.reader

Parquet file readers with row-oriented and column-oriented APIs.

dev.hardwood.row - package dev.hardwood.row

Value types for nested Parquet structures accessed through RowReader.

dev.hardwood.s3 - package dev.hardwood.s3

Amazon S3 backend for reading Parquet files from object storage.

dev.hardwood.schema - package dev.hardwood.schema

High-level Parquet schema types with computed definition and repetition levels.

dev.hardwood.writer - package dev.hardwood.writer

Parquet file writer, with a columnar and a row-oriented API over one core.

DICTIONARY_PAGE - Enum constant in enum class dev.hardwood.metadata.PageType

The dictionary for a column chunk.

dictionaryPageOffset() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the dictionaryPageOffset record component.

discard() - Method in class dev.hardwood.InMemoryOutputFile

discard() - Method in interface dev.hardwood.OutputFile

Discards everything written and releases resources without publishing a file at the destination.

distinctCount() - Method in record class dev.hardwood.metadata.Statistics

Returns the value of the distinctCount record component.

DOUBLE - Enum constant in enum class dev.hardwood.metadata.PhysicalType

IEEE 64-bit floating point.

DOUBLE - Enum constant in enum class dev.hardwood.row.VariantType

IEEE 64-bit floating point.

DoubleColumnPredicate(String, FilterPredicate.Operator, double) - Constructor for record class dev.hardwood.reader.FilterPredicate.DoubleColumnPredicate

Creates an instance of a DoubleColumnPredicate record class.

DoubleInPredicate(String, double[]) - Constructor for record class dev.hardwood.reader.FilterPredicate.DoubleInPredicate

Creates an instance of a DoubleInPredicate record class.

doubles() - Method in interface dev.hardwood.row.PqList

View the elements as a PqDoubleList (no boxing).

doubles(int, double[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED DOUBLE column, addressed by index.

doubles(int, double[], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL DOUBLE column, addressed by index, with a plain mask.

doubles(int, double[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL DOUBLE column, addressed by index.

doubles(String, double[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED DOUBLE column, addressed by name.

doubles(String, double[], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL DOUBLE column, addressed by name, with a plain mask.

doubles(String, double[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL DOUBLE column, addressed by name.

E

edgeInterpolation() - Method in record class dev.hardwood.metadata.LogicalType.GeographyType

Returns the value of the edgeInterpolation record component.

elements() - Method in record class dev.hardwood.metadata.FieldPath

Returns the value of the elements record component.

encoding() - Method in record class dev.hardwood.metadata.PageEncodingStats

Returns the value of the encoding record component.

encoding(ColumnEncoding) - Method in class dev.hardwood.writer.WriterConfig.Builder

Sets the encoding policy for every column without an override of its own; must be non-null.

encoding(String, ColumnEncoding) - Method in class dev.hardwood.writer.WriterConfig.Builder

Sets the encoding policy for one leaf column, overriding the file-wide default; both arguments must be non-null.

Encoding - Enum Class in dev.hardwood.metadata

Encoding types for Parquet data.

encodings() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the encodings record component.

encodingStats() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the encodingStats record component.

endExclusive() - Method in record class dev.hardwood.reader.RowGroupPredicate.ByteRange

Returns the value of the endExclusive record component.

endpoint(String) - Method in class dev.hardwood.s3.S3Source.Builder

Sets the endpoint for S3-compatible services (e.g. MinIO, R2, GCP).

endRowGroup() - Method in class dev.hardwood.writer.ParquetFileWriter

Closes the open row group and starts a new one, so the records written next go into a row group of their own.

ENUM - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Enum stored as a UTF-8 string.

enumType() - Static method in interface dev.hardwood.metadata.LogicalType

The ENUM annotation, for an enum stored as a UTF-8 string.

EnumType() - Constructor for record class dev.hardwood.metadata.LogicalType.EnumType

Creates an instance of a EnumType record class.

eq(String, boolean) - Static method in interface dev.hardwood.reader.FilterPredicate

eq(String, byte[]) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates an equals predicate for a binary column, whose literal is the stored bytes — the value StructAccessor.getBinary(int) returns for it.

eq(String, double) - Static method in interface dev.hardwood.reader.FilterPredicate

eq(String, float) - Static method in interface dev.hardwood.reader.FilterPredicate

eq(String, int) - Static method in interface dev.hardwood.reader.FilterPredicate

eq(String, long) - Static method in interface dev.hardwood.reader.FilterPredicate

eq(String, PqInterval) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates an equals predicate for an INTERVAL column, whose literal is the PqInterval StructAccessor.getInterval(int) returns for it.

eq(String, String) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates an equals predicate for a text column, one of STRING, ENUM, JSON and an unannotated BYTE_ARRAY.

eq(String, BigDecimal) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates an equals predicate for a BigDecimal column (Parquet DECIMAL logical type).

eq(String, Instant) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates an equals predicate for an Instant column (Parquet TIMESTAMP logical type with isAdjustedToUTC = true, or a legacy INT96 timestamp).

eq(String, LocalDate) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates an equals predicate for a LocalDate column (Parquet DATE logical type).

eq(String, LocalDateTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates an equals predicate for a LocalDateTime column (Parquet TIMESTAMP logical type with isAdjustedToUTC = false).

eq(String, LocalTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates an equals predicate for a LocalTime column (Parquet TIME logical type).

eq(String, UUID) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates an equals predicate for a UUID column (Parquet UUID logical type).

EQ - Enum constant in enum class dev.hardwood.reader.FilterPredicate.Operator

equals(Object) - Method in record class dev.hardwood.metadata.BoundingBox

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.ColumnChunk

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.ColumnIndex

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.ColumnMetaData

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.FieldPath

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.FileMetaData

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.GeospatialStatistics

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.BsonType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.DateType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.DecimalType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.EnumType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.Float16Type

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.GeographyType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.GeometryType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.IntervalType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.IntType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.JsonType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.ListType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.MapType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.NullType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.StringType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.TimestampType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.TimeType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.UuidType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.LogicalType.VariantType

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.OffsetIndex

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.PageEncodingStats

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.PageLocation

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.RowGroup

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.SchemaElement

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.SizeStatistics

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.metadata.Statistics

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.And

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.BinaryColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.BinaryInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.BooleanColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.DateColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.DateInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.DecimalColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.DecimalInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.DoubleColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.DoubleInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.FloatColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.FloatInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.InstantColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.InstantInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.IntColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.IntersectsPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.IntervalColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.IntervalInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.IntInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.IsNotNullPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.IsNullPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.LocalDateTimeColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.LocalDateTimeInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.LongColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.LongInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.Not

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.Or

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.StringColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.StringInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.TimeColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.TimeInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.UUIDColumnPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.FilterPredicate.UUIDInPredicate

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.RowGroupPredicate.And

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.reader.RowGroupPredicate.ByteRange

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.row.PqInterval

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.s3.S3Credentials

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.schema.ColumnSchema

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.schema.SchemaNode.PrimitiveNode

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in record class dev.hardwood.writer.RowWriteResult.Rejected

Indicates whether some other object is "equal to" this one.

executor() - Method in interface dev.hardwood.HardwoodContext

Get the executor service for parallel operations.

Experimental - Annotation Interface in dev.hardwood

Marks a public API as experimental.

F

FieldAccessor - Interface in dev.hardwood.row

Common interface for name-based access to fields whose values are primitives, Variants, or absent.

fieldId() - Method in record class dev.hardwood.metadata.SchemaElement

Returns the value of the fieldId record component.

fieldPath() - Method in record class dev.hardwood.schema.ColumnSchema

Returns the value of the fieldPath record component.

fieldPath() - Method in record class dev.hardwood.writer.RowWriteResult.Rejected

Returns the value of the fieldPath record component.

FieldPath - Record Class in dev.hardwood.metadata

Path from the root schema to a leaf column, represented as a list of field names.

FieldPath(List) - Constructor for record class dev.hardwood.metadata.FieldPath

Creates an instance of a FieldPath record class.

file - Variable in class dev.hardwood.jfr.FileMappingEvent

file - Variable in class dev.hardwood.jfr.FileOpenedEvent

file - Variable in class dev.hardwood.jfr.PageFilterEvent

file - Variable in class dev.hardwood.jfr.PrefetchMissEvent

file - Variable in class dev.hardwood.jfr.RecordFilterEvent

file - Variable in class dev.hardwood.jfr.RowGroupBloomFilterEvent

file - Variable in class dev.hardwood.jfr.RowGroupByteRangeFilterEvent

file - Variable in class dev.hardwood.jfr.RowGroupDictionaryFilterEvent

file - Variable in class dev.hardwood.jfr.RowGroupFilterEvent

file - Variable in class dev.hardwood.jfr.RowGroupScannedEvent

fileIdentity() - Method in exception class dev.hardwood.reader.StaleMetadataException

The identity of the file being read; empty when it has none.

FileMappingEvent - Class in dev.hardwood.jfr

JFR event emitted when Hardwood memory-maps a region of a Parquet file.

FileMappingEvent() - Constructor for class dev.hardwood.jfr.FileMappingEvent

FileMetaData - Record Class in dev.hardwood.metadata

Top-level file metadata for a Parquet file.

FileMetaData(int, List, long, List, Map, String, List) - Constructor for record class dev.hardwood.metadata.FileMetaData

Creates an instance of a FileMetaData record class.

fileName() - Method in exception class dev.hardwood.reader.StaleMetadataException

The InputFile.name() of the file being read.

FileOpenedEvent - Class in dev.hardwood.jfr

JFR event emitted when a Parquet file is opened and its metadata is read.

FileOpenedEvent() - Constructor for class dev.hardwood.jfr.FileOpenedEvent

filePath() - Method in record class dev.hardwood.metadata.ColumnChunk

Returns the value of the filePath record component.

FileSchema - Class in dev.hardwood.schema

Root schema container representing the complete Parquet schema.

FileSchema.Builder - Class in dev.hardwood.schema

Builder for constructing a FileSchema programmatically.

FileSchema.ElementBuilder - Class in dev.hardwood.schema

Declares the element of a LIST, or the value of a MAP: a primitive, a nested struct, a nested LIST, or a nested MAP.

FileSchema.StructBuilder - Class in dev.hardwood.schema

Declares the fields of a struct group.

fileSize - Variable in class dev.hardwood.jfr.FileOpenedEvent

filter(FilterPredicate) - Method in class dev.hardwood.avro.AvroReaders.RowReaderBuilder

Apply a row-group / record-level filter predicate.

filter(FilterPredicate) - Method in class dev.hardwood.reader.ParquetFileReader.ColumnReaderBuilder

Apply a filter predicate.

filter(FilterPredicate) - Method in class dev.hardwood.reader.ParquetFileReader.ColumnReadersBuilder

Apply a filter predicate.

filter(FilterPredicate) - Method in class dev.hardwood.reader.ParquetFileReader.RowReaderBuilder

Apply a column-statistics / record-level filter predicate.

filter(RowGroupPredicate) - Method in class dev.hardwood.reader.ParquetFileReader.ColumnReaderBuilder

Apply a row-group selection predicate (e.g. byte-range, for split-aware reading).

filter(RowGroupPredicate) - Method in class dev.hardwood.reader.ParquetFileReader.ColumnReadersBuilder

Apply a row-group selection predicate (e.g. byte-range, for split-aware reading).

filter(RowGroupPredicate) - Method in class dev.hardwood.reader.ParquetFileReader.RowReaderBuilder

Apply a row-group selection predicate (e.g. byte-range, for split-aware reading).

FilterPredicate - Interface in dev.hardwood.reader

A predicate filtering the rows a reader returns.

FilterPredicate.And - Record Class in dev.hardwood.reader

FilterPredicate.BinaryColumnPredicate - Record Class in dev.hardwood.reader

Predicate for a binary column over its stored bytes.

FilterPredicate.BinaryInPredicate - Record Class in dev.hardwood.reader

Set-membership predicate for a binary column.

FilterPredicate.BooleanColumnPredicate - Record Class in dev.hardwood.reader

FilterPredicate.DateColumnPredicate - Record Class in dev.hardwood.reader

Predicate for DATE columns.

FilterPredicate.DateInPredicate - Record Class in dev.hardwood.reader

Set-membership predicate for DATE columns.

FilterPredicate.DecimalColumnPredicate - Record Class in dev.hardwood.reader

Predicate for DECIMAL columns.

FilterPredicate.DecimalInPredicate - Record Class in dev.hardwood.reader

Set-membership predicate for DECIMAL columns.

FilterPredicate.DoubleColumnPredicate - Record Class in dev.hardwood.reader

FilterPredicate.DoubleInPredicate - Record Class in dev.hardwood.reader

FilterPredicate.FloatColumnPredicate - Record Class in dev.hardwood.reader

FilterPredicate.FloatInPredicate - Record Class in dev.hardwood.reader

FilterPredicate.InstantColumnPredicate - Record Class in dev.hardwood.reader

Predicate for TIMESTAMP columns with isAdjustedToUTC = true and for legacy INT96 timestamp columns.

FilterPredicate.InstantInPredicate - Record Class in dev.hardwood.reader

Set-membership predicate for the columns an FilterPredicate.InstantColumnPredicate takes.

FilterPredicate.IntColumnPredicate - Record Class in dev.hardwood.reader

FilterPredicate.IntersectsPredicate - Record Class in dev.hardwood.reader

Predicate for spatial bounding box.

FilterPredicate.IntervalColumnPredicate - Record Class in dev.hardwood.reader

Predicate for an INTERVAL column, comparing the twelve stored bytes as the three unsigned 32-bit components they encode.

FilterPredicate.IntervalInPredicate - Record Class in dev.hardwood.reader

Set-membership predicate for an INTERVAL column.

FilterPredicate.IntInPredicate - Record Class in dev.hardwood.reader

FilterPredicate.IsNotNullPredicate - Record Class in dev.hardwood.reader

Predicate that matches rows where the column value is not null.

FilterPredicate.IsNullPredicate - Record Class in dev.hardwood.reader

Predicate that matches rows where the column value is null.

FilterPredicate.LocalDateTimeColumnPredicate - Record Class in dev.hardwood.reader

Predicate for TIMESTAMP columns with isAdjustedToUTC = false.

FilterPredicate.LocalDateTimeInPredicate - Record Class in dev.hardwood.reader

Set-membership predicate for TIMESTAMP columns with isAdjustedToUTC = false.

FilterPredicate.LongColumnPredicate - Record Class in dev.hardwood.reader

FilterPredicate.LongInPredicate - Record Class in dev.hardwood.reader

FilterPredicate.Not - Record Class in dev.hardwood.reader

FilterPredicate.Operator - Enum Class in dev.hardwood.reader

FilterPredicate.Or - Record Class in dev.hardwood.reader

FilterPredicate.StringColumnPredicate - Record Class in dev.hardwood.reader

Predicate for a text column, comparing the literal's UTF-8 bytes.

FilterPredicate.StringInPredicate - Record Class in dev.hardwood.reader

Set-membership predicate for a text column.

FilterPredicate.TimeColumnPredicate - Record Class in dev.hardwood.reader

Predicate for TIME columns.

FilterPredicate.TimeInPredicate - Record Class in dev.hardwood.reader

Set-membership predicate for TIME columns.

FilterPredicate.UUIDColumnPredicate - Record Class in dev.hardwood.reader

FilterPredicate.UUIDInPredicate - Record Class in dev.hardwood.reader

Set-membership predicate for UUID columns, each probe compared as its 16 big-endian bytes.

filters() - Method in record class dev.hardwood.reader.FilterPredicate.And

Returns the value of the filters record component.

filters() - Method in record class dev.hardwood.reader.FilterPredicate.Or

Returns the value of the filters record component.

firstRowIndex() - Method in record class dev.hardwood.metadata.PageLocation

Returns the value of the firstRowIndex record component.

fixed(int, byte[][]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED FIXED_LEN_BYTE_ARRAY column, addressed by index.

fixed(int, byte[][], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL FIXED_LEN_BYTE_ARRAY column, addressed by index, with a plain mask.

fixed(int, byte[][], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL FIXED_LEN_BYTE_ARRAY column, addressed by index.

fixed(String, byte[][]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED FIXED_LEN_BYTE_ARRAY column, addressed by name.

fixed(String, byte[][], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL FIXED_LEN_BYTE_ARRAY column, addressed by name, with a plain mask.

fixed(String, byte[][], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL FIXED_LEN_BYTE_ARRAY column, addressed by name.

FIXED_LEN_BYTE_ARRAY - Enum constant in enum class dev.hardwood.metadata.PhysicalType

Fixed-length byte array; length is specified by the schema element's type length.

fixedLengthPrimitive(String, int, RepetitionType) - Static method in record class dev.hardwood.metadata.SchemaElement

Creates a PhysicalType.FIXED_LEN_BYTE_ARRAY element.

fixedLengthPrimitive(String, int, RepetitionType, LogicalType) - Static method in record class dev.hardwood.metadata.SchemaElement

Creates a PhysicalType.FIXED_LEN_BYTE_ARRAY element.

FLOAT - Enum constant in enum class dev.hardwood.metadata.PhysicalType

IEEE 32-bit floating point.

FLOAT - Enum constant in enum class dev.hardwood.row.VariantType

IEEE 32-bit floating point.

float16() - Static method in interface dev.hardwood.metadata.LogicalType

The FLOAT16 annotation, for an IEEE 754 half-precision float stored as a 2-byte fixed-length byte array.

Float16Type() - Constructor for record class dev.hardwood.metadata.LogicalType.Float16Type

Creates an instance of a Float16Type record class.

FloatColumnPredicate(String, FilterPredicate.Operator, float) - Constructor for record class dev.hardwood.reader.FilterPredicate.FloatColumnPredicate

Creates an instance of a FloatColumnPredicate record class.

FloatInPredicate(String, float[]) - Constructor for record class dev.hardwood.reader.FilterPredicate.FloatInPredicate

Creates an instance of a FloatInPredicate record class.

floats() - Method in interface dev.hardwood.row.PqList

View the elements as a List of float values.

floats(int, float[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED FLOAT column, addressed by index.

floats(int, float[], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL FLOAT column, addressed by index, with a plain mask.

floats(int, float[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL FLOAT column, addressed by index.

floats(String, float[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED FLOAT column, addressed by name.

floats(String, float[], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL FLOAT column, addressed by name, with a plain mask.

floats(String, float[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL FLOAT column, addressed by name.

footerLength() - Method in interface dev.hardwood.metadata.ParsedFooter

The length in bytes of the serialized footer, excluding the trailing length field and magic number.

footerOf(InputFile) - Method in interface dev.hardwood.MetadataSource

The parsed footer of file.

forEach(DoubleConsumer) - Method in interface dev.hardwood.row.PqDoubleList

Perform an action for each element.

forEach(IntConsumer) - Method in interface dev.hardwood.row.PqIntList

Perform an action for each element.

forEach(LongConsumer) - Method in interface dev.hardwood.row.PqLongList

Perform an action for each element.

fromProfile(String) - Static method in class dev.hardwood.aws.auth.SdkCredentialsProviders

Returns a provider for a specific named profile from ~/.aws/credentials.

fromSchemaElements(List) - Static method in class dev.hardwood.schema.FileSchema

Reconstruct schema from Thrift SchemaElement list.

G

geography(String, LogicalType.EdgeInterpolationAlgorithm) - Static method in interface dev.hardwood.metadata.LogicalType

The GEOGRAPHY annotation, for geodesic geospatial values in a given CRS.

GeographyType(String, LogicalType.EdgeInterpolationAlgorithm) - Constructor for record class dev.hardwood.metadata.LogicalType.GeographyType

Creates an instance of a GeographyType record class.

geometry(String) - Static method in interface dev.hardwood.metadata.LogicalType

The GEOMETRY annotation, for planar geospatial values in a given CRS.

GeometryType(String) - Constructor for record class dev.hardwood.metadata.LogicalType.GeometryType

Creates an instance of a GeometryType record class.

geospatialStatistics() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the geospatialStatistics record component.

GeospatialStatistics - Record Class in dev.hardwood.metadata

GeospatialStatistics(BoundingBox, List) - Constructor for record class dev.hardwood.metadata.GeospatialStatistics

Creates an instance of a GeospatialStatistics record class.

geospatialTypes() - Method in record class dev.hardwood.metadata.GeospatialStatistics

Returns the value of the geospatialTypes record component.

get(int) - Method in interface dev.hardwood.row.PqDoubleList

Get an element by index.

get(int) - Method in interface dev.hardwood.row.PqIntList

Get an element by index.

get(int) - Method in interface dev.hardwood.row.PqList

Get an element by index, decoded to its logical-type representation.

get(int) - Method in interface dev.hardwood.row.PqLongList

Get an element by index.

get(int) - Method in interface dev.hardwood.row.PqVariantArray

Element at the given zero-based index, decoded lazily.

getArray(String) - Method in interface dev.hardwood.row.PqVariantObject

Get a field whose Variant type is ARRAY and unwrap it as a nested PqVariantArray view.

getBinaries() - Method in class dev.hardwood.reader.ColumnReader

Materialises one byte[] per leaf value, copying out of the binary buffer.

getBinary(int) - Method in class dev.hardwood.reader.BinaryDictionary

A copy of entry entry.

getBinary(int) - Method in interface dev.hardwood.row.StructAccessor

Get a BINARY field value by field index.

getBinary(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a BINARY field value by name.

getBinaryDictionary() - Method in class dev.hardwood.reader.ColumnReader

The dictionary ColumnReader.getDictionaryIds() refers to, or null when the ids are null.

getBinaryEnds() - Method in class dev.hardwood.reader.ColumnReader

End of each value in ColumnReader.getBinaryValues(), exclusive.

getBinaryKey() - Method in interface dev.hardwood.row.PqMap.Entry

Get the key as a BINARY.

getBinaryStarts() - Method in class dev.hardwood.reader.ColumnReader

Start of each value in ColumnReader.getBinaryValues(), inclusive.

getBinaryValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a BINARY.

getBinaryValues() - Method in class dev.hardwood.reader.ColumnReader

The bytes a varlength leaf's values are read from.

getBoolean(int) - Method in interface dev.hardwood.row.StructAccessor

Get a BOOLEAN field value by field index.

getBoolean(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a BOOLEAN field value by name.

getBooleans() - Method in class dev.hardwood.reader.ColumnReader

getBooleanValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a BOOLEAN.

getColumn(int) - Method in class dev.hardwood.schema.FileSchema

Returns the column at the given zero-based index.

getColumn(FieldPath) - Method in class dev.hardwood.schema.FileSchema

Returns the column with the given field path.

getColumn(String) - Method in class dev.hardwood.schema.FileSchema

Returns the column with the given name or dot-separated path.

getColumnCount() - Method in class dev.hardwood.reader.ColumnReaders

Get the number of requested columns, counting a column once for every name in the projection that selects it.

getColumnCount() - Method in class dev.hardwood.schema.FileSchema

Returns the total number of leaf columns in this schema.

getColumnReader(int) - Method in class dev.hardwood.reader.ColumnReaders

Get the ColumnReader by index within the requested columns.

getColumnReader(String) - Method in class dev.hardwood.reader.ColumnReaders

Get the ColumnReader for a named column.

getColumns() - Method in class dev.hardwood.schema.FileSchema

Returns an unmodifiable list of all leaf columns in schema order.

getColumnSchema() - Method in class dev.hardwood.reader.ColumnReader

getDate(int) - Method in interface dev.hardwood.row.StructAccessor

Get a DATE field value by field index.

getDate(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a DATE field value by name.

getDateValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a DATE.

getDecimal(int) - Method in interface dev.hardwood.row.StructAccessor

Get a DECIMAL field value by field index.

getDecimal(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a DECIMAL field value by name.

getDecimalValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a DECIMAL.

getDictionaryIds() - Method in class dev.hardwood.reader.ColumnReader

Each value's entry in the batch's dictionary: value i is entry getDictionaryIds()[i] of ColumnReader.getBinaryDictionary(), and -1 at a null value.

getDouble(int) - Method in interface dev.hardwood.row.StructAccessor

Get a DOUBLE field value by field index.

getDouble(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a DOUBLE field value by name.

getDoubles() - Method in class dev.hardwood.reader.ColumnReader

getDoubleValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a DOUBLE.

getEntries() - Method in interface dev.hardwood.row.PqMap

Get all entries in this map.

getField(String) - Method in class dev.hardwood.schema.FileSchema

Finds a top-level field by name in the schema tree.

getFieldCount() - Method in interface dev.hardwood.row.FieldAccessor

Get the number of fields in this record.

getFieldCount() - Method in interface dev.hardwood.writer.StructBuilder

The number of fields this struct declares — the record's top-level fields for the builder RowWriter.writeRow(Consumer) hands over, and a nested struct's own fields for the one StructBuilder.setStruct(String, Consumer) does.

getFieldName(int) - Method in interface dev.hardwood.row.FieldAccessor

Get the name of a field by index.

getFieldName(int) - Method in interface dev.hardwood.writer.StructBuilder

The name of the field at fieldIndex, the inverse of the resolution the by-name setters perform.

getFileCount() - Method in class dev.hardwood.reader.ParquetFileReader

Number of physical input files represented by this reader.

getFileMetaData() - Method in class dev.hardwood.reader.ParquetFileReader

File metadata of the first input file.

getFileMetaData(int) - Method in class dev.hardwood.reader.ParquetFileReader

Returns the metadata of one physical input file.

getFileSchema() - Method in class dev.hardwood.reader.ParquetFileReader

getFloat(int) - Method in interface dev.hardwood.row.StructAccessor

Get a FLOAT field value by field index.

getFloat(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a FLOAT field value by name.

getFloats() - Method in class dev.hardwood.reader.ColumnReader

getFloatValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a FLOAT.

getInt(int) - Method in interface dev.hardwood.row.StructAccessor

Get an INT32 field value by field index.

getInt(String) - Method in interface dev.hardwood.row.FieldAccessor

Get an INT32 field value by name.

getInterval(int) - Method in interface dev.hardwood.row.StructAccessor

Get an INTERVAL field value by field index.

getInterval(String) - Method in interface dev.hardwood.row.FieldAccessor

Get an INTERVAL field value by name.

getIntervalValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as an INTERVAL.

getIntKey() - Method in interface dev.hardwood.row.PqMap.Entry

Get the key as an INT32.

getInts() - Method in class dev.hardwood.reader.ColumnReader

getIntValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as an INT32.

getKey() - Method in interface dev.hardwood.row.PqMap.Entry

Get the key, decoded to its logical-type representation.

getLayerCount() - Method in class dev.hardwood.reader.ColumnReader

Number of layers in this column's schema chain. 0 for a flat column.

getLayerKind(int) - Method in class dev.hardwood.reader.ColumnReader

Layer kind at layer.

getLayerOffsets(int) - Method in class dev.hardwood.reader.ColumnReader

Offsets at layer.

getLayerValidity(int) - Method in class dev.hardwood.reader.ColumnReader

Validity at layer.

getLeafValidity() - Method in class dev.hardwood.reader.ColumnReader

Validity over the leaf-value array, indexed 0..getValueCount().

getList(int) - Method in interface dev.hardwood.row.StructAccessor

Get a LIST field value by field index.

getList(String) - Method in interface dev.hardwood.row.StructAccessor

Get a LIST field value by name.

getListElement() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

For LIST groups, returns the list's element node — the logical element, independent of whether the list uses 2-level or 3-level encoding.

getListValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a LIST.

getLocalTimestamp(int) - Method in interface dev.hardwood.row.StructAccessor

Get a local-wall-clock TIMESTAMP field value by field index.

getLocalTimestamp(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a local-wall-clock TIMESTAMP field value by name.

getLocalTimestampValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a local-wall-clock TIMESTAMP (isAdjustedToUTC = false).

getLong(int) - Method in interface dev.hardwood.row.StructAccessor

Get an INT64 field value by field index.

getLong(String) - Method in interface dev.hardwood.row.FieldAccessor

Get an INT64 field value by name.

getLongKey() - Method in interface dev.hardwood.row.PqMap.Entry

Get the key as an INT64.

getLongs() - Method in class dev.hardwood.reader.ColumnReader

getLongValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as an INT64.

getMap(int) - Method in interface dev.hardwood.row.StructAccessor

Get a MAP field value by field index.

getMap(String) - Method in interface dev.hardwood.row.StructAccessor

Get a MAP field value by name.

getMapKey() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

For MAP groups, returns the key node from the standard encoding (map.key_value.key).

getMapValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a MAP.

getMapValue() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

For MAP groups, returns the value node from the standard encoding (map.key_value.value), or null if the key_value group has no value field.

getName() - Method in class dev.hardwood.schema.FileSchema

Returns the schema name (typically "schema" or "message").

getObject(String) - Method in interface dev.hardwood.row.PqVariantObject

Get a field whose Variant type is OBJECT and unwrap it as a nested PqVariantObject view.

getPageCount() - Method in record class dev.hardwood.metadata.ColumnIndex

Returns the number of pages described by this index.

getProjectedColumnNames() - Method in class dev.hardwood.schema.ColumnProjection

Returns the column names to project, in the order they were requested and including repeats, or null if all columns are projected.

getRaw(int) - Method in interface dev.hardwood.row.PqList

Get an element by index in its underlying physical form, mirroring the getRawValue accessors on RowReader / PqStruct / PqMap.Entry.

getRawKey() - Method in interface dev.hardwood.row.PqMap.Entry

Get the key as its raw physical representation, without logical-type decoding (e.g. an INT64-backed TIMESTAMP returns Long, not Instant; a FIXED_LEN_BYTE_ARRAY-backed DECIMAL returns byte[], not BigDecimal).

getRawValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as its raw physical representation, without logical-type decoding.

getRawValue(byte[]) - Method in interface dev.hardwood.row.PqMap

Look up the raw physical value for a byte-array key — mirrors PqMap.Entry.getRawValue().

getRawValue(int) - Method in interface dev.hardwood.row.PqMap

Look up the raw physical value for an INT32 key — mirrors PqMap.Entry.getRawValue().

getRawValue(int) - Method in interface dev.hardwood.row.StructAccessor

Get a field value by field index as its raw physical representation.

getRawValue(long) - Method in interface dev.hardwood.row.PqMap

Look up the raw physical value for an INT64 key — mirrors PqMap.Entry.getRawValue().

getRawValue(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a field value by name as its raw physical representation, without logical-type decoding.

getRawValue(String) - Method in interface dev.hardwood.row.PqMap

Look up the raw physical value for a STRING key — mirrors PqMap.Entry.getRawValue().

getRecordCount() - Method in class dev.hardwood.reader.ColumnReader

Number of top-level records in the current batch.

getRecordCount() - Method in class dev.hardwood.reader.ColumnReaders

Number of records in the group's current batch.

getRootNode() - Method in class dev.hardwood.schema.FileSchema

Returns the hierarchical schema tree representation.

getSchema() - Method in class dev.hardwood.avro.AvroRowReader

Returns the Avro schema used for materialization.

getString(int) - Method in class dev.hardwood.reader.BinaryDictionary

Entry entry decoded as UTF-8.

getString(int) - Method in interface dev.hardwood.row.StructAccessor

Get a STRING field value by field index.

getString(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a text field value by name, decoded from UTF-8.

getStringKey() - Method in interface dev.hardwood.row.PqMap.Entry

Get the key as a String, decoded from UTF-8.

getStrings() - Method in class dev.hardwood.reader.ColumnReader

Convenience: materialises one String per leaf value by UTF-8 decoding the slice of ColumnReader.getBinaryValues() for each entry.

getStringValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a String, decoded from UTF-8.

getStruct(int) - Method in interface dev.hardwood.row.StructAccessor

Get a nested struct field value by field index.

getStruct(String) - Method in interface dev.hardwood.row.StructAccessor

Get a nested struct field value by name.

getStructValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a nested struct.

getTime(int) - Method in interface dev.hardwood.row.StructAccessor

Get a TIME field value by field index.

getTime(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a TIME field value by name.

getTimestamp(int) - Method in interface dev.hardwood.row.StructAccessor

Get a TIMESTAMP field value by field index.

getTimestamp(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a UTC-adjusted TIMESTAMP field value by name.

getTimestampValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a UTC-adjusted TIMESTAMP (isAdjustedToUTC = true).

getTimeValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a TIME.

getUuid(int) - Method in interface dev.hardwood.row.StructAccessor

Get a UUID field value by field index.

getUuid(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a UUID field value by name.

getUuidValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a UUID.

getValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value, decoded to its logical-type representation.

getValue(byte[]) - Method in interface dev.hardwood.row.PqMap

Look up the decoded value for a byte-array key.

getValue(int) - Method in interface dev.hardwood.row.PqMap

Look up the decoded value for an INT32 key.

getValue(int) - Method in interface dev.hardwood.row.StructAccessor

Get a field value by field index, decoded to its logical-type representation.

getValue(long) - Method in interface dev.hardwood.row.PqMap

Look up the decoded value for an INT64 key.

getValue(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a field value by name, decoded to its logical-type representation.

getValue(String) - Method in interface dev.hardwood.row.PqMap

Look up the decoded value for a STRING key.

getValueCount() - Method in class dev.hardwood.reader.ColumnReader

Total number of leaf values in the current batch — sized to real items only (phantom slots from null/empty parents are excluded).

getVariant(int) - Method in interface dev.hardwood.row.StructAccessor

Get a VARIANT field value by field index.

getVariant(String) - Method in interface dev.hardwood.row.FieldAccessor

Get a VARIANT field value by name.

getVariantValue() - Method in interface dev.hardwood.row.PqMap.Entry

Get the value as a VARIANT.

group(String, RepetitionType, int) - Static method in record class dev.hardwood.metadata.SchemaElement

Creates a group element.

group(String, RepetitionType, int, LogicalType) - Static method in record class dev.hardwood.metadata.SchemaElement

Creates a group element.

GroupNode(String, RepetitionType, ConvertedType, LogicalType, List, int, int) - Constructor for record class dev.hardwood.schema.SchemaNode.GroupNode

Creates an instance of a GroupNode record class.

gt(String, boolean) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than predicate for a BOOLEAN column.

gt(String, byte[]) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than predicate for a binary column.

gt(String, double) - Static method in interface dev.hardwood.reader.FilterPredicate

gt(String, float) - Static method in interface dev.hardwood.reader.FilterPredicate

gt(String, int) - Static method in interface dev.hardwood.reader.FilterPredicate

gt(String, long) - Static method in interface dev.hardwood.reader.FilterPredicate

gt(String, String) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than predicate for a text column.

gt(String, BigDecimal) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than predicate for a BigDecimal column.

gt(String, Instant) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than predicate for an Instant column.

gt(String, LocalDate) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than predicate for a LocalDate column.

gt(String, LocalDateTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than predicate for a LocalDateTime column.

gt(String, LocalTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than predicate for a LocalTime column.

gt(String, UUID) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than predicate for a UUID column.

GT - Enum constant in enum class dev.hardwood.reader.FilterPredicate.Operator

GT_EQ - Enum constant in enum class dev.hardwood.reader.FilterPredicate.Operator

gtEq(String, boolean) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than-or-equal predicate for a BOOLEAN column.

gtEq(String, byte[]) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than-or-equal predicate for a binary column.

gtEq(String, double) - Static method in interface dev.hardwood.reader.FilterPredicate

gtEq(String, float) - Static method in interface dev.hardwood.reader.FilterPredicate

gtEq(String, int) - Static method in interface dev.hardwood.reader.FilterPredicate

gtEq(String, long) - Static method in interface dev.hardwood.reader.FilterPredicate

gtEq(String, String) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than-or-equal predicate for a text column.

gtEq(String, BigDecimal) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than-or-equal predicate for a BigDecimal column.

gtEq(String, Instant) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than-or-equal predicate for an Instant column.

gtEq(String, LocalDate) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than-or-equal predicate for a LocalDate column.

gtEq(String, LocalDateTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than-or-equal predicate for a LocalDateTime column.

gtEq(String, LocalTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than-or-equal predicate for a LocalTime column.

gtEq(String, UUID) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a greater-than-or-equal predicate for a UUID column.

GZIP - Enum constant in enum class dev.hardwood.metadata.CompressionCodec

Gzip compression (slower, higher ratio).

H

Hardwood - Class in dev.hardwood

Entry point for reading Parquet files with a shared thread pool.

HardwoodContext - Interface in dev.hardwood

Context object that manages shared resources for Parquet file reading.

HardwoodContext.Builder - Interface in dev.hardwood

Builder for a HardwoodContext.

hashCode() - Method in record class dev.hardwood.metadata.BoundingBox

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.ColumnChunk

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.ColumnIndex

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.FieldPath

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.FileMetaData

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.GeospatialStatistics

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.BsonType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.DateType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.DecimalType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.EnumType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.Float16Type

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.GeographyType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.GeometryType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.IntervalType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.IntType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.JsonType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.ListType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.MapType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.NullType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.StringType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.TimestampType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.TimeType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.UuidType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.LogicalType.VariantType

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.OffsetIndex

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.PageEncodingStats

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.PageLocation

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.RowGroup

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.SchemaElement

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.SizeStatistics

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.metadata.Statistics

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.And

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.BinaryColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.BinaryInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.BooleanColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.DateColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.DateInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.DecimalColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.DecimalInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.DoubleColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.DoubleInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.FloatColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.FloatInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.InstantColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.InstantInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.IntColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.IntersectsPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.IntervalColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.IntervalInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.IntInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.IsNotNullPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.IsNullPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.LocalDateTimeColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.LocalDateTimeInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.LongColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.LongInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.Not

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.Or

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.StringColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.StringInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.TimeColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.TimeInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.UUIDColumnPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.FilterPredicate.UUIDInPredicate

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.RowGroupPredicate.And

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.reader.RowGroupPredicate.ByteRange

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.row.PqInterval

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.s3.S3Credentials

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.schema.ColumnSchema

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.schema.SchemaNode.PrimitiveNode

Returns a hash code value for this object.

hashCode() - Method in record class dev.hardwood.writer.RowWriteResult.Rejected

Returns a hash code value for this object.

hasNext() - Method in class dev.hardwood.avro.AvroRowReader

Check if there are more rows to read.

hasNext() - Method in interface dev.hardwood.reader.RowReader

Check if there are more rows to read.

hasNulls() - Method in interface dev.hardwood.Validity

false for Validity.NO_NULLS; true for a backed validity, regardless of its bits.

head(long) - Method in class dev.hardwood.avro.AvroReaders.RowReaderBuilder

Limit to the first maxRows rows.

head(long) - Method in class dev.hardwood.reader.ParquetFileReader.RowReaderBuilder

Limit to the first maxRows rows.

httpClient(HttpClient) - Method in class dev.hardwood.s3.S3Source.Builder

Sets a custom HttpClient for full control over connection pooling and transport settings.

I

identity() - Method in interface dev.hardwood.InputFile

An identifier of the file's content, which differs for different content, if the backend can supply one without a request of its own; empty when it cannot.

identity() - Method in class dev.hardwood.s3.S3InputFile

The object's ETag, taken from the response to the request S3InputFile.open() issues; empty when the endpoint sent none.

IDENTITY - Enum constant in enum class dev.hardwood.reader.StaleMetadataException.Check

The footer's ParsedFooter.sourceIdentity() differs from the file's InputFile.identity().

IEEE754_TOTAL_ORDER - Enum constant in enum class dev.hardwood.metadata.ColumnOrder

The IEEE 754 total order (the IEEE_754_TOTAL_ORDER union member).

in(String, byte[]...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a set-membership predicate for a binary column, matching a row whose value is any of values.

in(String, double...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a set-membership predicate for a DOUBLE column, matching a row whose value is any of values.

in(String, float...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a set-membership predicate for a FLOAT or FLOAT16 column, matching a row whose value is any of values.

in(String, int...) - Static method in interface dev.hardwood.reader.FilterPredicate

in(String, long...) - Static method in interface dev.hardwood.reader.FilterPredicate

in(String, PqInterval...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a set-membership predicate for an INTERVAL column, matching a row whose value is any of values.

in(String, String...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a set-membership predicate for a text column, matching a row whose value is any of values.

in(String, BigDecimal...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a set-membership predicate for a BigDecimal column, matching a row whose value is any of values.

in(String, Instant...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a set-membership predicate for an Instant column, matching a row whose value is any of values.

in(String, LocalDate...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a set-membership predicate for a LocalDate column, matching a row whose value is any of values.

in(String, LocalDateTime...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a set-membership predicate for a LocalDateTime column, matching a row whose value is any of values.

in(String, LocalTime...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a set-membership predicate for a LocalTime column, matching a row whose value is any of values.

in(String, UUID...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a set-membership predicate for a UUID column, matching a row whose value is any of values.

INDEX_PAGE - Enum constant in enum class dev.hardwood.metadata.PageType

A page holding an index into the column chunk.

inMemory() - Static method in interface dev.hardwood.OutputFile

Creates an uncreated OutputFile that keeps the file in memory.

InMemoryOutputFile - Class in dev.hardwood

An OutputFile that keeps the file in memory and hands it back.

inputFile(String) - Method in class dev.hardwood.s3.S3Source

Creates an S3InputFile from an s3://bucket/key URI.

inputFile(String, String) - Method in class dev.hardwood.s3.S3Source

Creates an S3InputFile for the given bucket and key.

InputFile - Interface in dev.hardwood

Abstraction for reading Parquet file data.

inputFiles(String...) - Method in class dev.hardwood.s3.S3Source

Creates S3InputFile instances from s3:// URIs (may span buckets).

inputFilesInBucket(String, String...) - Method in class dev.hardwood.s3.S3Source

Creates S3InputFile instances for multiple keys in the same bucket.

INSTANCE - Enum constant in enum class dev.hardwood.writer.RowWriteResult.Staged

InstantColumnPredicate(String, FilterPredicate.Operator, Instant) - Constructor for record class dev.hardwood.reader.FilterPredicate.InstantColumnPredicate

Creates an instance of a InstantColumnPredicate record class.

InstantInPredicate(String, List) - Constructor for record class dev.hardwood.reader.FilterPredicate.InstantInPredicate

Creates an instance of a InstantInPredicate record class.

inStrings(String, String...) - Static method in interface dev.hardwood.reader.FilterPredicate

Deprecated.

use FilterPredicate.in(String,String...), which builds the same predicate

INT_16 - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Signed 16-bit integer, stored as INT32.

INT_32 - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Signed 32-bit integer, stored as INT32.

INT_64 - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Signed 64-bit integer, stored as INT64.

INT_8 - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Signed 8-bit integer, stored as INT32.

INT16 - Enum constant in enum class dev.hardwood.row.VariantType

16-bit signed integer.

INT32 - Enum constant in enum class dev.hardwood.metadata.PhysicalType

32-bit signed integer.

INT32 - Enum constant in enum class dev.hardwood.row.VariantType

32-bit signed integer.

INT64 - Enum constant in enum class dev.hardwood.metadata.PhysicalType

64-bit signed integer.

INT64 - Enum constant in enum class dev.hardwood.row.VariantType

64-bit signed integer.

INT8 - Enum constant in enum class dev.hardwood.row.VariantType

8-bit signed integer.

INT96 - Enum constant in enum class dev.hardwood.metadata.PhysicalType

96-bit value; deprecated, used for legacy timestamps.

IntColumnPredicate(String, FilterPredicate.Operator, int) - Constructor for record class dev.hardwood.reader.FilterPredicate.IntColumnPredicate

Creates an instance of a IntColumnPredicate record class.

intersects(String, double, double, double, double) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a predicate that matches column chunks whose bounding box intersects the given bounding box.

IntersectsPredicate(String, double, double, double, double) - Constructor for record class dev.hardwood.reader.FilterPredicate.IntersectsPredicate

Creates an instance of a IntersectsPredicate record class.

interval() - Static method in interface dev.hardwood.metadata.LogicalType

The INTERVAL annotation, for an interval stored as a 12-byte fixed-length byte array.

INTERVAL - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Interval stored as a 12-byte fixed-length byte array.

IntervalColumnPredicate(String, FilterPredicate.Operator, PqInterval) - Constructor for record class dev.hardwood.reader.FilterPredicate.IntervalColumnPredicate

Creates an instance of a IntervalColumnPredicate record class.

IntervalInPredicate(String, List) - Constructor for record class dev.hardwood.reader.FilterPredicate.IntervalInPredicate

Creates an instance of a IntervalInPredicate record class.

intervals() - Method in interface dev.hardwood.row.PqList

View the elements as a List of PqInterval values.

IntervalType() - Constructor for record class dev.hardwood.metadata.LogicalType.IntervalType

Creates an instance of a IntervalType record class.

IntInPredicate(String, int[]) - Constructor for record class dev.hardwood.reader.FilterPredicate.IntInPredicate

Creates an instance of a IntInPredicate record class.

ints() - Method in interface dev.hardwood.row.PqList

View the elements as a PqIntList (no boxing).

ints(int, int[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED INT32 column, addressed by index.

ints(int, int[], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL INT32 column, addressed by index, with nulls given as a plain mask.

ints(int, int[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL INT32 column, addressed by index.

ints(String, int[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED INT32 column, addressed by name.

ints(String, int[], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL INT32 column, addressed by name, with nulls given as a plain mask.

ints(String, int[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL INT32 column, addressed by name.

intType(int, boolean) - Static method in interface dev.hardwood.metadata.LogicalType

The INT annotation, for an integer of a given bit width and signedness.

IntType(int, boolean) - Constructor for record class dev.hardwood.metadata.LogicalType.IntType

Creates an instance of a IntType record class.

invert() - Method in enum class dev.hardwood.reader.FilterPredicate.Operator

Returns the logical inverse of this operator, which not applies to each leaf below it.

isAdjustedToUTC() - Method in record class dev.hardwood.metadata.LogicalType.TimestampType

Returns the value of the isAdjustedToUTC record component.

isAdjustedToUTC() - Method in record class dev.hardwood.metadata.LogicalType.TimeType

Returns the value of the isAdjustedToUTC record component.

isEmpty() - Method in record class dev.hardwood.metadata.FieldPath

Whether this path is empty (has no elements) or not.

isEmpty() - Method in interface dev.hardwood.row.PqDoubleList

Check if this list is empty.

isEmpty() - Method in interface dev.hardwood.row.PqIntList

Check if this list is empty.

isEmpty() - Method in interface dev.hardwood.row.PqList

Check if this list is empty.

isEmpty() - Method in interface dev.hardwood.row.PqLongList

Check if this list is empty.

isEmpty() - Method in interface dev.hardwood.row.PqMap

Check if this map is empty.

isFlatSchema() - Method in class dev.hardwood.schema.FileSchema

Returns true if this schema supports direct columnar access.

isGroup() - Method in record class dev.hardwood.metadata.SchemaElement

Returns true if this element is a group node (has no physical type).

isList() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns true if this is a LIST group.

isMap() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns true if this is a MAP group.

isMaxValueExact() - Method in record class dev.hardwood.metadata.Statistics

Returns the value of the isMaxValueExact record component.

isMinMaxDeprecated() - Method in record class dev.hardwood.metadata.Statistics

Returns the value of the isMinMaxDeprecated record component.

isMinValueExact() - Method in record class dev.hardwood.metadata.Statistics

Returns the value of the isMinValueExact record component.

isMultiFile() - Method in class dev.hardwood.reader.ParquetFileReader

true when this reader was opened over more than one input file.

isNotNull(int) - Method in interface dev.hardwood.Validity

true iff the item at index i is not null.

isNotNull(String) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a predicate that matches rows where the given column is not null.

IsNotNullPredicate(String) - Constructor for record class dev.hardwood.reader.FilterPredicate.IsNotNullPredicate

Creates an instance of a IsNotNullPredicate record class.

isNull() - Method in interface dev.hardwood.row.PqVariant

True iff PqVariant.type() is VariantType.NULL.

isNull(int) - Method in interface dev.hardwood.row.PqDoubleList

Check if an element is null by index.

isNull(int) - Method in interface dev.hardwood.row.PqIntList

Check if an element is null by index.

isNull(int) - Method in interface dev.hardwood.row.PqList

Check if an element is null by index.

isNull(int) - Method in interface dev.hardwood.row.PqLongList

Check if an element is null by index.

isNull(int) - Method in interface dev.hardwood.row.StructAccessor

Check if a field is null by field index.

isNull(int) - Method in interface dev.hardwood.Validity

true iff the item at index i is null.

isNull(String) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a predicate that matches rows where the given column is null.

isNull(String) - Method in interface dev.hardwood.row.FieldAccessor

Check if a field is null by name.

IsNullPredicate(String) - Constructor for record class dev.hardwood.reader.FilterPredicate.IsNullPredicate

Creates an instance of a IsNullPredicate record class.

isPrimitive() - Method in record class dev.hardwood.metadata.SchemaElement

Returns true if this element is a primitive node (has a physical type).

isSigned() - Method in record class dev.hardwood.metadata.LogicalType.IntType

Returns the value of the isSigned record component.

isStruct() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns true if this is a plain struct (no converted type and no modern logical-type annotation).

isValueNull() - Method in interface dev.hardwood.row.PqMap.Entry

Check if the value is null.

isVariant() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns true if this group carries the LogicalType.VariantType annotation.

iterator() - Method in interface dev.hardwood.row.PqDoubleList

Get a primitive iterator over the elements.

iterator() - Method in interface dev.hardwood.row.PqIntList

Get a primitive iterator over the elements.

iterator() - Method in interface dev.hardwood.row.PqLongList

Get a primitive iterator over the elements.

iterator() - Method in interface dev.hardwood.row.PqVariantArray

J

json() - Static method in interface dev.hardwood.metadata.LogicalType

The JSON annotation, for a JSON document stored as a UTF-8 string.

JSON - Enum constant in enum class dev.hardwood.metadata.ConvertedType

JSON document stored as a UTF-8 string.

JsonType() - Constructor for record class dev.hardwood.metadata.LogicalType.JsonType

Creates an instance of a JsonType record class.

K

KARNEY - Enum constant in enum class dev.hardwood.metadata.LogicalType.EdgeInterpolationAlgorithm

keyValueMetadata() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the keyValueMetadata record component.

keyValueMetadata() - Method in record class dev.hardwood.metadata.FileMetaData

Returns the value of the keyValueMetadata record component.

keyValueMetadata(String, String) - Method in class dev.hardwood.writer.ParquetFileWriter

Stamps one application-defined key-value pair onto the file footer, replacing any value already held for that key.

keyValueMetadata(Map) - Method in class dev.hardwood.writer.ParquetFileWriter

Stamps every entry of metadata onto the file footer, replacing any value already held for a key it names and leaving the rest in place.

L

LayerKind - Enum Class in dev.hardwood.reader

Classifies a ColumnReader layer between root and leaf.

leafName() - Method in record class dev.hardwood.metadata.FieldPath

Returns the leaf (last) element of the path.

length() - Method in interface dev.hardwood.InputFile

Returns the total size of the file in bytes.

length() - Method in class dev.hardwood.s3.S3InputFile

list() - Static method in interface dev.hardwood.metadata.LogicalType

The LIST annotation, for a group holding a repeated element.

list(RepetitionType, Consumer) - Method in class dev.hardwood.schema.FileSchema.ElementBuilder

Declare a nested LIST element.

list(String, int[]) - Method in class dev.hardwood.writer.ColumnBatch

Sets the entry offsets of a LIST, addressed by the list group's dot-separated path.

list(String, int[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Sets the entry offsets of a LIST together with its per-instance nulls (which lists are themselves absent), distinct from an empty list carrying a zero-delta offset.

list(String, RepetitionType, Consumer) - Method in class dev.hardwood.schema.FileSchema.Builder

Append a LIST group whose element is declared by element.

list(String, RepetitionType, Consumer) - Method in class dev.hardwood.schema.FileSchema.StructBuilder

Append a nested LIST field.

LIST - Enum constant in enum class dev.hardwood.metadata.ConvertedType

List of elements.

ListBuilder - Interface in dev.hardwood.writer

Appends the entries of one LIST instance.

lists() - Method in interface dev.hardwood.row.PqList

View the elements as a List of nested lists.

ListType() - Constructor for record class dev.hardwood.metadata.LogicalType.ListType

Creates an instance of a ListType record class.

LocalDateTimeColumnPredicate(String, FilterPredicate.Operator, LocalDateTime) - Constructor for record class dev.hardwood.reader.FilterPredicate.LocalDateTimeColumnPredicate

Creates an instance of a LocalDateTimeColumnPredicate record class.

LocalDateTimeInPredicate(String, List) - Constructor for record class dev.hardwood.reader.FilterPredicate.LocalDateTimeInPredicate

Creates an instance of a LocalDateTimeInPredicate record class.

localTimestamps() - Method in interface dev.hardwood.row.PqList

View the elements as a List of LocalDateTime (local-wall-clock timestamp) values.

logicalType() - Method in record class dev.hardwood.metadata.SchemaElement

Returns the value of the logicalType record component.

logicalType() - Method in record class dev.hardwood.schema.ColumnSchema

Returns the value of the logicalType record component.

logicalType() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns the value of the logicalType record component.

logicalType() - Method in record class dev.hardwood.schema.SchemaNode.PrimitiveNode

Returns the value of the logicalType record component.

LogicalType - Interface in dev.hardwood.metadata

Logical types that provide semantic meaning to physical types.

LogicalType.BsonType - Record Class in dev.hardwood.metadata

BSON document stored as a byte array.

LogicalType.DateType - Record Class in dev.hardwood.metadata

Calendar date (days since Unix epoch).

LogicalType.DecimalType - Record Class in dev.hardwood.metadata

Decimal with fixed precision and scale.

LogicalType.EdgeInterpolationAlgorithm - Enum Class in dev.hardwood.metadata

Geodesic formulations to model and compute the shortest path on Earth.

LogicalType.EnumType - Record Class in dev.hardwood.metadata

Enum stored as a UTF-8 string.

LogicalType.Float16Type - Record Class in dev.hardwood.metadata

IEEE 754 half-precision (binary16) floating point, stored as a 2-byte FIXED_LEN_BYTE_ARRAY in little-endian byte order.

LogicalType.GeographyType - Record Class in dev.hardwood.metadata

Geography type with configurable CRS

LogicalType.GeometryType - Record Class in dev.hardwood.metadata

Geometry type with configurable CRS

LogicalType.IntervalType - Record Class in dev.hardwood.metadata

Interval stored as a 12-byte fixed-length byte array (months, days, millis).

LogicalType.IntType - Record Class in dev.hardwood.metadata

Integer type with a specific bit width and signedness.

LogicalType.JsonType - Record Class in dev.hardwood.metadata

JSON document stored as a UTF-8 string.

LogicalType.ListType - Record Class in dev.hardwood.metadata

List (repeated element) logical type.

LogicalType.MapType - Record Class in dev.hardwood.metadata

Map (key-value pairs) logical type.

LogicalType.NullType - Record Class in dev.hardwood.metadata

Column whose every value is null.

LogicalType.StringType - Record Class in dev.hardwood.metadata

UTF-8 encoded string.

LogicalType.TimestampType - Record Class in dev.hardwood.metadata

Timestamp with configurable precision and UTC adjustment.

LogicalType.TimeType - Record Class in dev.hardwood.metadata

Time of day with configurable precision and UTC adjustment.

LogicalType.TimeUnit - Enum Class in dev.hardwood.metadata

Resolution of time and timestamp logical types.

LogicalType.UuidType - Record Class in dev.hardwood.metadata

UUID stored as a 16-byte fixed-length byte array.

LogicalType.VariantType - Record Class in dev.hardwood.metadata

Variant (self-describing, semi-structured) logical type per the Parquet Variant spec.

LongColumnPredicate(String, FilterPredicate.Operator, long) - Constructor for record class dev.hardwood.reader.FilterPredicate.LongColumnPredicate

Creates an instance of a LongColumnPredicate record class.

LongInPredicate(String, long[]) - Constructor for record class dev.hardwood.reader.FilterPredicate.LongInPredicate

Creates an instance of a LongInPredicate record class.

longs() - Method in interface dev.hardwood.row.PqList

View the elements as a PqLongList (no boxing).

longs(int, long[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED INT64 column, addressed by index.

longs(int, long[], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL INT64 column, addressed by index, with a plain mask.

longs(int, long[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL INT64 column, addressed by index.

longs(String, long[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for a REQUIRED INT64 column, addressed by name.

longs(String, long[], boolean[]) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL INT64 column, addressed by name, with a plain mask.

longs(String, long[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Adds the values for an OPTIONAL INT64 column, addressed by name.

lt(String, boolean) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than predicate for a BOOLEAN column, which orders false before true: lt(column, true) matches the rows holding false, and lt(column, false) matches none.

lt(String, byte[]) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than predicate for a binary column.

lt(String, double) - Static method in interface dev.hardwood.reader.FilterPredicate

lt(String, float) - Static method in interface dev.hardwood.reader.FilterPredicate

lt(String, int) - Static method in interface dev.hardwood.reader.FilterPredicate

lt(String, long) - Static method in interface dev.hardwood.reader.FilterPredicate

lt(String, String) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than predicate for a text column.

lt(String, BigDecimal) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than predicate for a BigDecimal column.

lt(String, Instant) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than predicate for an Instant column.

lt(String, LocalDate) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than predicate for a LocalDate column.

lt(String, LocalDateTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than predicate for a LocalDateTime column.

lt(String, LocalTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than predicate for a LocalTime column.

lt(String, UUID) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than predicate for a UUID column.

LT - Enum constant in enum class dev.hardwood.reader.FilterPredicate.Operator

LT_EQ - Enum constant in enum class dev.hardwood.reader.FilterPredicate.Operator

ltEq(String, boolean) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than-or-equal predicate for a BOOLEAN column.

ltEq(String, byte[]) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than-or-equal predicate for a binary column.

ltEq(String, double) - Static method in interface dev.hardwood.reader.FilterPredicate

ltEq(String, float) - Static method in interface dev.hardwood.reader.FilterPredicate

ltEq(String, int) - Static method in interface dev.hardwood.reader.FilterPredicate

ltEq(String, long) - Static method in interface dev.hardwood.reader.FilterPredicate

ltEq(String, String) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than-or-equal predicate for a text column.

ltEq(String, BigDecimal) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than-or-equal predicate for a BigDecimal column.

ltEq(String, Instant) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than-or-equal predicate for an Instant column.

ltEq(String, LocalDate) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than-or-equal predicate for a LocalDate column.

ltEq(String, LocalDateTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than-or-equal predicate for a LocalDateTime column.

ltEq(String, LocalTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than-or-equal predicate for a LocalTime column.

ltEq(String, UUID) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a less-than-or-equal predicate for a UUID column.

LZ4 - Enum constant in enum class dev.hardwood.metadata.CompressionCodec

LZ4 compression (Hadoop framing).

LZ4_RAW - Enum constant in enum class dev.hardwood.metadata.CompressionCodec

LZ4 raw block compression (no Hadoop framing).

LZO - Enum constant in enum class dev.hardwood.metadata.CompressionCodec

LZO compression.

M

map() - Static method in interface dev.hardwood.metadata.LogicalType

The MAP annotation, for a group holding key-value pairs.

map(RepetitionType, PhysicalType, int, LogicalType, Consumer) - Method in class dev.hardwood.schema.FileSchema.ElementBuilder

Declare a nested MAP element whose key carries a logical type annotation, giving the fixed byte length of a FIXED_LEN_BYTE_ARRAY key.

map(RepetitionType, PhysicalType, LogicalType, Consumer) - Method in class dev.hardwood.schema.FileSchema.ElementBuilder

Declare a nested MAP element whose key carries a logical type annotation.

map(RepetitionType, PhysicalType, Consumer) - Method in class dev.hardwood.schema.FileSchema.ElementBuilder

Declare a nested MAP element.

map(String, int[]) - Method in class dev.hardwood.writer.ColumnBatch

Sets the entry offsets of a MAP, addressed by the map group's dot-separated path.

map(String, int[], Validity) - Method in class dev.hardwood.writer.ColumnBatch

Sets the entry offsets of a MAP together with its per-instance nulls (which maps are themselves absent), distinct from an empty map carrying a zero-delta offset.

map(String, RepetitionType, PhysicalType, int, LogicalType, Consumer) - Method in class dev.hardwood.schema.FileSchema.Builder

Append a MAP group whose key carries a logical type annotation, giving the fixed byte length of a FIXED_LEN_BYTE_ARRAY key.

map(String, RepetitionType, PhysicalType, int, LogicalType, Consumer) - Method in class dev.hardwood.schema.FileSchema.StructBuilder

Append a nested MAP field whose key carries a logical type annotation, giving the fixed byte length of a FIXED_LEN_BYTE_ARRAY key.

map(String, RepetitionType, PhysicalType, LogicalType, Consumer) - Method in class dev.hardwood.schema.FileSchema.Builder

Append a MAP group whose key carries a logical type annotation — a STRING key being the common case.

map(String, RepetitionType, PhysicalType, LogicalType, Consumer) - Method in class dev.hardwood.schema.FileSchema.StructBuilder

Append a nested MAP field whose key carries a logical type annotation.

map(String, RepetitionType, PhysicalType, Consumer) - Method in class dev.hardwood.schema.FileSchema.Builder

Append a MAP group whose value is declared by value.

map(String, RepetitionType, PhysicalType, Consumer) - Method in class dev.hardwood.schema.FileSchema.StructBuilder

Append a nested MAP field.

MAP - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Map of key-value pairs.

MAP_KEY_VALUE - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Intermediate group inside a MAP; contains key and value fields.

MapBuilder - Interface in dev.hardwood.writer

Appends the entries of one MAP instance.

maps() - Method in interface dev.hardwood.row.PqList

View the elements as a List of nested maps.

MapType() - Constructor for record class dev.hardwood.metadata.LogicalType.MapType

Creates an instance of a MapType record class.

matchesDottedName(String) - Method in record class dev.hardwood.metadata.FieldPath

Returns true if this path matches the given dotted name.

maxDefinitionLevel() - Method in record class dev.hardwood.schema.ColumnSchema

Returns the value of the maxDefinitionLevel record component.

maxDefinitionLevel() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns the value of the maxDefinitionLevel record component.

maxDefinitionLevel() - Method in interface dev.hardwood.schema.SchemaNode

Returns the maximum definition level, computed from the schema hierarchy.

maxDefinitionLevel() - Method in record class dev.hardwood.schema.SchemaNode.PrimitiveNode

Returns the value of the maxDefinitionLevel record component.

maxRepetitionLevel() - Method in record class dev.hardwood.schema.ColumnSchema

Returns the value of the maxRepetitionLevel record component.

maxRepetitionLevel() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns the value of the maxRepetitionLevel record component.

maxRepetitionLevel() - Method in interface dev.hardwood.schema.SchemaNode

Returns the maximum repetition level, computed from the schema hierarchy.

maxRepetitionLevel() - Method in record class dev.hardwood.schema.SchemaNode.PrimitiveNode

Returns the value of the maxRepetitionLevel record component.

maxRetries(int) - Method in class dev.hardwood.s3.S3Source.Builder

Sets the maximum number of retries for GET requests on transient failures (HTTP 500/503 and network errors).

maxValue() - Method in record class dev.hardwood.metadata.Statistics

Returns the value of the maxValue record component.

maxValues() - Method in record class dev.hardwood.metadata.ColumnIndex

Returns the value of the maxValues record component.

message() - Method in record class dev.hardwood.writer.RowWriteResult.Rejected

Returns the value of the message record component.

metadata() - Method in interface dev.hardwood.row.PqVariant

The canonical Variant metadata bytes.

metaData() - Method in record class dev.hardwood.metadata.ColumnChunk

Returns the value of the metaData record component.

metaData() - Method in interface dev.hardwood.metadata.ParsedFooter

The file's metadata as stated in its footer.

metadataSource(MetadataSource) - Method in interface dev.hardwood.HardwoodContext.Builder

Installs a MetadataSource that supplies the footer of every file a reader opened against the context reads.

MetadataSource - Interface in dev.hardwood

Supplies the parsed footer of a file a reader opens, in place of the reader reading it.

MICROS - Enum constant in enum class dev.hardwood.metadata.LogicalType.TimeUnit

Microsecond resolution.

MILLIS - Enum constant in enum class dev.hardwood.metadata.LogicalType.TimeUnit

Millisecond resolution.

milliseconds() - Method in record class dev.hardwood.row.PqInterval

Returns the value of the milliseconds record component.

minValue() - Method in record class dev.hardwood.metadata.Statistics

Returns the value of the minValue record component.

minValues() - Method in record class dev.hardwood.metadata.ColumnIndex

Returns the value of the minValues record component.

mmax() - Method in record class dev.hardwood.metadata.BoundingBox

Returns the value of the mmax record component.

mmin() - Method in record class dev.hardwood.metadata.BoundingBox

Returns the value of the mmin record component.

months() - Method in record class dev.hardwood.row.PqInterval

Returns the value of the months record component.

N

name() - Method in interface dev.hardwood.InputFile

Returns an identifier for this file, used in log messages and JFR events.

name() - Method in record class dev.hardwood.metadata.SchemaElement

Returns the value of the name record component.

name() - Method in class dev.hardwood.s3.S3InputFile

name() - Method in record class dev.hardwood.schema.ColumnSchema

Returns the leaf (last) element of the field path, i.e. the column name.

name() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns the value of the name record component.

name() - Method in interface dev.hardwood.schema.SchemaNode

Returns the field name.

name() - Method in record class dev.hardwood.schema.SchemaNode.PrimitiveNode

Returns the value of the name record component.

nanCount() - Method in record class dev.hardwood.metadata.Statistics

Returns the value of the nanCount record component.

nanCounts() - Method in record class dev.hardwood.metadata.ColumnIndex

Returns the value of the nanCounts record component.

NANOS - Enum constant in enum class dev.hardwood.metadata.LogicalType.TimeUnit

Nanosecond resolution.

networkBytesFetched() - Method in class dev.hardwood.s3.S3InputFile

Number of bytes fetched from the network since S3InputFile.open().

networkRequestCount() - Method in class dev.hardwood.s3.S3InputFile

Number of HTTP requests issued against the object since S3InputFile.open().

newDepth - Variable in class dev.hardwood.jfr.PrefetchMissEvent

next() - Method in class dev.hardwood.avro.AvroRowReader

Advance to the next row and return it as a GenericRecord.

next() - Method in interface dev.hardwood.reader.RowReader

Advance to the next row.

nextBatch() - Method in class dev.hardwood.reader.ColumnReader

Advance to the next batch.

nextBatch() - Method in class dev.hardwood.reader.ColumnReaders

Advance every underlying ColumnReader to its next batch in lockstep.

nextNotNull(int, int) - Method in interface dev.hardwood.Validity

Index of the next non-null item in [from, count), or -1 if every item in that range is null.

nextNull(int, int) - Method in interface dev.hardwood.Validity

Index of the next null item in [from, count), or -1 if every item in that range is non-null.

NO_NULLS - Static variable in interface dev.hardwood.Validity

Singleton signalling "no item at this scope is null in the current batch."

NONE - Enum constant in enum class dev.hardwood.s3.RangeBacking

No range cache.

not(FilterPredicate) - Static method in interface dev.hardwood.reader.FilterPredicate

Not(FilterPredicate) - Constructor for record class dev.hardwood.reader.FilterPredicate.Not

Creates an instance of a Not record class.

NOT_EQ - Enum constant in enum class dev.hardwood.reader.FilterPredicate.Operator

notEq(String, boolean) - Static method in interface dev.hardwood.reader.FilterPredicate

notEq(String, byte[]) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a not-equals predicate for a binary column.

notEq(String, double) - Static method in interface dev.hardwood.reader.FilterPredicate

notEq(String, float) - Static method in interface dev.hardwood.reader.FilterPredicate

notEq(String, int) - Static method in interface dev.hardwood.reader.FilterPredicate

notEq(String, long) - Static method in interface dev.hardwood.reader.FilterPredicate

notEq(String, PqInterval) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a not-equals predicate for an INTERVAL column.

notEq(String, String) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a not-equals predicate for a text column.

notEq(String, BigDecimal) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a not-equals predicate for a BigDecimal column.

notEq(String, Instant) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a not-equals predicate for an Instant column.

notEq(String, LocalDate) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a not-equals predicate for a LocalDate column.

notEq(String, LocalDateTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a not-equals predicate for a LocalDateTime column.

notEq(String, LocalTime) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a not-equals predicate for a LocalTime column.

notEq(String, UUID) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a not-equals predicate for a UUID column.

NULL - Enum constant in enum class dev.hardwood.row.VariantType

SQL NULL.

nullCount() - Method in record class dev.hardwood.metadata.Statistics

Returns the value of the nullCount record component.

nullCount(int) - Method in interface dev.hardwood.Validity

Number of null items in this batch.

nullCounts() - Method in record class dev.hardwood.metadata.ColumnIndex

Returns the value of the nullCounts record component.

nullPages() - Method in record class dev.hardwood.metadata.ColumnIndex

Returns the value of the nullPages record component.

nullType() - Static method in interface dev.hardwood.metadata.LogicalType

The NULL annotation, for a column whose every value is null.

NullType() - Constructor for record class dev.hardwood.metadata.LogicalType.NullType

Creates an instance of a NullType record class.

numChildren() - Method in record class dev.hardwood.metadata.SchemaElement

Returns the value of the numChildren record component.

numRows() - Method in record class dev.hardwood.metadata.FileMetaData

Returns the value of the numRows record component.

numRows() - Method in record class dev.hardwood.metadata.RowGroup

Returns the value of the numRows record component.

numValues() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the numValues record component.

O

OBJECT - Enum constant in enum class dev.hardwood.row.VariantType

Object — string-keyed collection of Variant values.

of(long[]) - Static method in interface dev.hardwood.Validity

Wraps a packed long[] bitmap (set-bit = present storage).

of(String...) - Static method in record class dev.hardwood.metadata.FieldPath

Creates a FieldPath from individual path components.

of(String, String) - Static method in record class dev.hardwood.s3.S3Credentials

Creates long-term credentials (no session token).

of(ByteBuffer) - Static method in interface dev.hardwood.InputFile

Creates an InputFile backed by an in-memory ByteBuffer.

of(Path) - Static method in interface dev.hardwood.InputFile

Creates an unopened InputFile for a local file path.

of(Path) - Static method in interface dev.hardwood.OutputFile

Creates an uncreated OutputFile for a local file path.

ofBuffers(ByteBuffer, ByteBuffer...) - Static method in interface dev.hardwood.InputFile

Creates InputFile instances for the given in-memory ByteBuffers.

ofBuffers(List) - Static method in interface dev.hardwood.InputFile

Creates InputFile instances for a list of in-memory ByteBuffers.

offset - Variable in class dev.hardwood.jfr.FileMappingEvent

offset() - Method in record class dev.hardwood.metadata.PageLocation

Returns the value of the offset record component.

OffsetIndex - Record Class in dev.hardwood.metadata

Offset index for a column chunk, providing page locations for direct lookup.

OffsetIndex(List, long[]) - Constructor for record class dev.hardwood.metadata.OffsetIndex

Creates an instance of a OffsetIndex record class.

offsetIndexLength() - Method in record class dev.hardwood.metadata.ColumnChunk

Returns the value of the offsetIndexLength record component.

offsetIndexOffset() - Method in record class dev.hardwood.metadata.ColumnChunk

Returns the value of the offsetIndexOffset record component.

ofNulls(boolean[]) - Static method in interface dev.hardwood.Validity

Builds a Validity over a per-item null mask, where nulls[i] == true marks item i null — the null-centric polarity of Validity.isNull(int).

ofPaths(Path, Path...) - Static method in interface dev.hardwood.InputFile

Creates unopened InputFile instances for the given local file paths.

ofPaths(List) - Static method in interface dev.hardwood.InputFile

Creates unopened InputFile instances for a list of local file paths.

op() - Method in record class dev.hardwood.reader.FilterPredicate.BinaryColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.BooleanColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.DateColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.DecimalColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.DoubleColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.FloatColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.InstantColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.IntColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.IntervalColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.LocalDateTimeColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.LongColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.StringColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.TimeColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.UUIDColumnPredicate

Returns the value of the op record component.

open() - Method in interface dev.hardwood.InputFile

Performs expensive resource acquisition (e.g. memory-mapping, network connect).

open() - Method in class dev.hardwood.s3.S3InputFile

open(InputFile) - Method in class dev.hardwood.Hardwood

Open a single Parquet file.

open(InputFile) - Static method in class dev.hardwood.reader.ParquetFileReader

Open a single Parquet file with a dedicated context.

open(InputFile, HardwoodContext) - Static method in class dev.hardwood.reader.ParquetFileReader

Open a single Parquet file with a shared context.

open(InputFile, HardwoodContext, ReaderConfig) - Static method in class dev.hardwood.reader.ParquetFileReader

Open a single Parquet file with a shared context and an explicit ReaderConfig.

openAll(List) - Method in class dev.hardwood.Hardwood

Open multiple Parquet files for reading with cross-file prefetching.

openAll(List) - Static method in class dev.hardwood.reader.ParquetFileReader

Open multiple Parquet files with a dedicated context.

openAll(List, HardwoodContext) - Static method in class dev.hardwood.reader.ParquetFileReader

Open multiple Parquet files with a shared context.

openAll(List, HardwoodContext, ReaderConfig) - Static method in class dev.hardwood.reader.ParquetFileReader

Open multiple Parquet files with a shared context and an explicit ReaderConfig.

option(String, String) - Method in class dev.hardwood.reader.ReaderConfig.Builder

Sets a reader option.

OPTIONAL - Enum constant in enum class dev.hardwood.metadata.RepetitionType

Field may be null.

options() - Method in class dev.hardwood.reader.ReaderConfig

The options set on this config, as an immutable map.

or(FilterPredicate...) - Static method in interface dev.hardwood.reader.FilterPredicate

Creates a disjunction of filters.

or(FilterPredicate, FilterPredicate) - Static method in interface dev.hardwood.reader.FilterPredicate

Or(List) - Constructor for record class dev.hardwood.reader.FilterPredicate.Or

Creates an instance of a Or record class.

OutputFile - Interface in dev.hardwood

Abstraction for writing Parquet file data.

P

pageCount - Variable in class dev.hardwood.jfr.RowGroupScannedEvent

PageDecodedEvent - Class in dev.hardwood.jfr

JFR event emitted when a single Parquet data page is decoded.

PageDecodedEvent() - Constructor for class dev.hardwood.jfr.PageDecodedEvent

PageEncodingStats - Record Class in dev.hardwood.metadata

The number of pages a writer produced for one combination of page type and encoding within a column chunk.

PageEncodingStats(PageType, Encoding, int) - Constructor for record class dev.hardwood.metadata.PageEncodingStats

Creates an instance of a PageEncodingStats record class.

PageFilterEvent - Class in dev.hardwood.jfr

JFR event emitted when pages are filtered by Column Index predicate push-down.

PageFilterEvent() - Constructor for class dev.hardwood.jfr.PageFilterEvent

PageLocation - Record Class in dev.hardwood.metadata

Location of a data page within a column chunk.

PageLocation(long, int, long) - Constructor for record class dev.hardwood.metadata.PageLocation

Creates an instance of a PageLocation record class.

pageLocations() - Method in record class dev.hardwood.metadata.OffsetIndex

Returns the value of the pageLocations record component.

pagesKept - Variable in class dev.hardwood.jfr.PageFilterEvent

pagesSkipped - Variable in class dev.hardwood.jfr.PageFilterEvent

pageTargetBytes() - Method in class dev.hardwood.writer.WriterConfig

Encoded-byte threshold at which a data page is cut.

pageTargetBytes(int) - Method in class dev.hardwood.writer.WriterConfig.Builder

Sets the page target; must be at least one INT32 (4 bytes).

pageTargetRows() - Method in class dev.hardwood.writer.WriterConfig

Record count at which a data page is cut.

pageTargetRows(int) - Method in class dev.hardwood.writer.WriterConfig.Builder

Sets the record count at which a data page is cut; must be positive.

pageType() - Method in record class dev.hardwood.metadata.PageEncodingStats

Returns the value of the pageType record component.

PageType - Enum Class in dev.hardwood.metadata

The kind of page stored in a column chunk.

ParquetFileReader - Class in dev.hardwood.reader

Reader for one or more Parquet files.

ParquetFileReader.ColumnReaderBuilder - Class in dev.hardwood.reader

Builds a single-column ColumnReader with an optional filter.

ParquetFileReader.ColumnReadersBuilder - Class in dev.hardwood.reader

Builds a ColumnReaders collection for batch-oriented access to a projection of columns.

ParquetFileReader.RowReaderBuilder - Class in dev.hardwood.reader

Builds a RowReader with optional projection, filter, and head/tail row limit.

ParquetFileWriter - Class in dev.hardwood.writer

Writes a Parquet file through a columnar or a row-oriented API: ParquetFileWriter.columnWriter() takes an aligned slice of typed arrays, ParquetFileWriter.rowWriter() takes one record at a time, and one file is written through one of the two, not both.

ParquetReadException - Exception Class in dev.hardwood.reader

Thrown when a file's own bytes are wrong: the read succeeded and what it returned does not say something a Parquet file can say.

ParquetReadException(String) - Constructor for exception class dev.hardwood.reader.ParquetReadException

ParquetReadException(String, Throwable) - Constructor for exception class dev.hardwood.reader.ParquetReadException

ParquetWriteException - Exception Class in dev.hardwood.writer

Thrown when the writer cannot produce the file, for a reason that is neither the caller's misuse nor the destination failing.

ParquetWriteException(String) - Constructor for exception class dev.hardwood.writer.ParquetWriteException

ParquetWriteException(String, Throwable) - Constructor for exception class dev.hardwood.writer.ParquetWriteException

ParsedFooter - Interface in dev.hardwood.metadata

The parsed footer of one file, as a MetadataSource hands it to a reader.

pathInSchema() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the pathInSchema record component.

pathStyle(boolean) - Method in class dev.hardwood.s3.S3Source.Builder

Forces path-style access (endpoint/bucket/key instead of bucket.endpoint/key).

PhysicalType - Enum Class in dev.hardwood.metadata

Physical types supported by Parquet format.

PLAIN - Enum constant in enum class dev.hardwood.metadata.Encoding

Plain encoding: values are stored back-to-back.

PLAIN - Enum constant in enum class dev.hardwood.writer.ColumnEncoding

Values as they are: fixed-width types little-endian, BYTE_ARRAY behind a 4-byte length prefix.

PLAIN_DICTIONARY - Enum constant in enum class dev.hardwood.metadata.Encoding

Dictionary encoding using a plain-encoded dictionary page (deprecated in favor of Encoding.RLE_DICTIONARY).

position() - Method in class dev.hardwood.InMemoryOutputFile

position() - Method in interface dev.hardwood.OutputFile

Returns the number of bytes written so far, which is the offset at which the next OutputFile.write(ByteBuffer) will begin.

PqDoubleList - Interface in dev.hardwood.row

Specialized list interface for DOUBLE values.

PqInterval - Record Class in dev.hardwood.row

Value type for the Parquet INTERVAL logical type.

PqInterval(long, long, long) - Constructor for record class dev.hardwood.row.PqInterval

Creates an instance of a PqInterval record class.

PqIntList - Interface in dev.hardwood.row

Specialized list interface for INT32 values.

PqList - Interface in dev.hardwood.row

Type-safe list interface for reading Parquet list values.

PqLongList - Interface in dev.hardwood.row

Specialized list interface for INT64 values.

PqMap - Interface in dev.hardwood.row

Type-safe interface for accessing Parquet MAP values.

PqMap.Entry - Interface in dev.hardwood.row

A single key-value entry in a map.

PqStruct - Interface in dev.hardwood.row

Type-safe struct interface for reading nested Parquet data.

PqVariant - Interface in dev.hardwood.row

Variant value — the top-level accessor for a Parquet column annotated with the VARIANT logical type.

PqVariantArray - Interface in dev.hardwood.row

Indexed view of a Variant ARRAY value.

PqVariantObject - Interface in dev.hardwood.row

Name-based view of a Variant OBJECT value.

precision() - Method in record class dev.hardwood.metadata.LogicalType.DecimalType

Returns the value of the precision record component.

precision() - Method in record class dev.hardwood.metadata.SchemaElement

Returns the value of the precision record component.

precisionLossPolicy() - Method in class dev.hardwood.writer.WriterConfig

What RowWriter does with a value carrying more precision than its column can hold.

precisionLossPolicy(PrecisionLossPolicy) - Method in class dev.hardwood.writer.WriterConfig.Builder

Sets what RowWriter does with a value carrying more precision than its column can hold — an Instant with microseconds written to a TIMESTAMP(MILLIS) column, say; must be non-null.

PrecisionLossPolicy - Enum Class in dev.hardwood.writer

What RowWriter does with a value carrying more precision than the column it is written to can hold — an Instant with microseconds into a TIMESTAMP(MILLIS) column, a BigDecimal with three decimals into a DECIMAL(_, 2) column.

PrefetchMissEvent - Class in dev.hardwood.jfr

JFR event emitted when the prefetch queue cannot supply a decoded page in time.

PrefetchMissEvent() - Constructor for class dev.hardwood.jfr.PrefetchMissEvent

primitive(PhysicalType, RepetitionType) - Method in class dev.hardwood.schema.FileSchema.ElementBuilder

Declare a primitive element.

primitive(PhysicalType, RepetitionType, int) - Method in class dev.hardwood.schema.FileSchema.ElementBuilder

Declare a primitive element, giving the fixed byte length of a FIXED_LEN_BYTE_ARRAY element.

primitive(PhysicalType, RepetitionType, int, LogicalType) - Method in class dev.hardwood.schema.FileSchema.ElementBuilder

Declare a primitive element carrying a logical type annotation, giving the fixed byte length of a FIXED_LEN_BYTE_ARRAY element.

primitive(PhysicalType, RepetitionType, LogicalType) - Method in class dev.hardwood.schema.FileSchema.ElementBuilder

Declare a primitive element carrying a logical type annotation.

primitive(String, PhysicalType, RepetitionType) - Static method in record class dev.hardwood.metadata.SchemaElement

Creates a primitive element

primitive(String, PhysicalType, RepetitionType, LogicalType) - Static method in record class dev.hardwood.metadata.SchemaElement

Creates a primitive element.

PrimitiveNode(String, PhysicalType, RepetitionType, LogicalType, int, int, int) - Constructor for record class dev.hardwood.schema.SchemaNode.PrimitiveNode

Creates an instance of a PrimitiveNode record class.

projection(ColumnProjection) - Method in class dev.hardwood.avro.AvroReaders.RowReaderBuilder

Restrict reading to the given columns.

projection(ColumnProjection) - Method in class dev.hardwood.reader.ParquetFileReader.RowReaderBuilder

Restrict reading to the given columns.

projectsAll() - Method in class dev.hardwood.schema.ColumnProjection

Returns true if this projection includes all columns.

Q

queueEmpty - Variable in class dev.hardwood.jfr.PrefetchMissEvent

R

rangeBacking(RangeBacking) - Method in class dev.hardwood.s3.S3Source.Builder

Sets the range-caching strategy for files opened from this source.

RangeBacking - Enum Class in dev.hardwood.s3

How an S3InputFile caches fetched byte ranges.

rawValues() - Method in interface dev.hardwood.row.PqList

View the elements as a List in their underlying physical form, as in PqList.getRaw(int).

ReaderConfig - Class in dev.hardwood.reader

Read-time behaviour knobs for ParquetFileReader.

ReaderConfig.Builder - Class in dev.hardwood.reader

Builder for ReaderConfig.

readFrom(InputFile) - Static method in interface dev.hardwood.metadata.ParsedFooter

Reads and parses the footer of an opened file.

readRange(long, int) - Method in interface dev.hardwood.InputFile

Read a range of bytes from the file.

readRange(long, int) - Method in class dev.hardwood.s3.S3InputFile

RecordFilterEvent - Class in dev.hardwood.jfr

JFR event emitted when records are filtered by record-level predicate evaluation.

RecordFilterEvent() - Constructor for class dev.hardwood.jfr.RecordFilterEvent

recordsKept - Variable in class dev.hardwood.jfr.RecordFilterEvent

recordsSkipped - Variable in class dev.hardwood.jfr.RecordFilterEvent

region(String) - Method in class dev.hardwood.s3.S3Source.Builder

Sets the AWS region (e.g. "eu-west-1", "auto").

REJECT - Enum constant in enum class dev.hardwood.writer.PrecisionLossPolicy

Reject the value, naming the field and the column's declared unit or scale.

Rejected(String, String) - Constructor for record class dev.hardwood.writer.RowWriteResult.Rejected

Creates an instance of a Rejected record class.

REPEATED - Enum constant in enum class dev.hardwood.metadata.RepetitionType

Field can appear zero or more times (list semantics).

REPEATED - Enum constant in enum class dev.hardwood.reader.LayerKind

A LIST or MAP-annotated group, or an unannotated repeated field outside a LIST/MAP scaffold.

repetitionLevelHistogram() - Method in record class dev.hardwood.metadata.SizeStatistics

Returns the value of the repetitionLevelHistogram record component.

repetitionLevelHistogram(int) - Method in record class dev.hardwood.metadata.ColumnIndex

Returns one page's slice of ColumnIndex.repetitionLevelHistograms(), or null if the file records no repetition-level histogram for this chunk.

repetitionLevelHistograms() - Method in record class dev.hardwood.metadata.ColumnIndex

Returns the value of the repetitionLevelHistograms record component.

repetitionType() - Method in record class dev.hardwood.metadata.SchemaElement

Returns the value of the repetitionType record component.

repetitionType() - Method in record class dev.hardwood.schema.ColumnSchema

Returns the value of the repetitionType record component.

repetitionType() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns the value of the repetitionType record component.

repetitionType() - Method in record class dev.hardwood.schema.SchemaNode.PrimitiveNode

Returns the value of the repetitionType record component.

repetitionType() - Method in interface dev.hardwood.schema.SchemaNode

Returns the repetition type (required, optional, or repeated).

RepetitionType - Enum Class in dev.hardwood.metadata

Field repetition types in Parquet schema.

requestTimeout(Duration) - Method in class dev.hardwood.s3.S3Source.Builder

Sets the per-request timeout for individual HTTP requests (default 30 seconds).

REQUIRED - Enum constant in enum class dev.hardwood.metadata.RepetitionType

Field must be present; nulls are not allowed.

requireSameFile() - Method in record class dev.hardwood.metadata.ColumnChunk

Fails unless this chunk's data sits in the file being read.

RLE - Enum constant in enum class dev.hardwood.metadata.Encoding

Run-length / bit-packed hybrid encoding.

RLE_DICTIONARY - Enum constant in enum class dev.hardwood.metadata.Encoding

Dictionary encoding with an RLE-encoded index page.

root(String, int) - Static method in record class dev.hardwood.metadata.SchemaElement

Creates a root group element, which carries no repetition.

RowGroup - Record Class in dev.hardwood.metadata

Row group metadata.

RowGroup(List, long, long) - Constructor for record class dev.hardwood.metadata.RowGroup

Creates an instance of a RowGroup record class.

RowGroupBloomFilterEvent - Class in dev.hardwood.jfr

JFR event emitted when a row group's bloom filters prove that none of its rows matches the filter, once the read reaches the row group.

RowGroupBloomFilterEvent() - Constructor for class dev.hardwood.jfr.RowGroupBloomFilterEvent

rowGroupBufferTargetBytes() - Method in class dev.hardwood.writer.WriterConfig

Byte threshold at which a row group is cut, counted as the bytes the writer holds for it.

rowGroupBufferTargetBytes(long) - Method in class dev.hardwood.writer.WriterConfig.Builder

Sets the byte threshold at which a row group is cut; must be positive.

RowGroupByteRangeFilterEvent - Class in dev.hardwood.jfr

JFR event emitted when row groups are selected by a byte-range row-group predicate (split-aware reading).

RowGroupByteRangeFilterEvent() - Constructor for class dev.hardwood.jfr.RowGroupByteRangeFilterEvent

rowGroupCount - Variable in class dev.hardwood.jfr.FileOpenedEvent

RowGroupDictionaryFilterEvent - Class in dev.hardwood.jfr

JFR event emitted when a row group's dictionaries prove that none of its rows matches the filter, once the read reaches the row group.

RowGroupDictionaryFilterEvent() - Constructor for class dev.hardwood.jfr.RowGroupDictionaryFilterEvent

RowGroupFilterEvent - Class in dev.hardwood.jfr

JFR event emitted once per file when its row groups are filtered by statistics, before any of them is read.

RowGroupFilterEvent() - Constructor for class dev.hardwood.jfr.RowGroupFilterEvent

rowGroupIndex - Variable in class dev.hardwood.jfr.PageFilterEvent

rowGroupIndex - Variable in class dev.hardwood.jfr.RowGroupBloomFilterEvent

rowGroupIndex - Variable in class dev.hardwood.jfr.RowGroupDictionaryFilterEvent

rowGroupIndex - Variable in class dev.hardwood.jfr.RowGroupScannedEvent

RowGroupPredicate - Interface in dev.hardwood.reader

A predicate over row groups, used to select which row groups a reader scans.

RowGroupPredicate.And - Record Class in dev.hardwood.reader

Conjunction of row-group predicates — a row group passes if and only if every child passes.

RowGroupPredicate.ByteRange - Record Class in dev.hardwood.reader

Keep row groups whose midpoint falls in [startInclusive, endExclusive).

rowGroups() - Method in record class dev.hardwood.metadata.FileMetaData

Returns the value of the rowGroups record component.

RowGroupScannedEvent - Class in dev.hardwood.jfr

JFR event emitted when all pages in a row group column chunk have been scanned.

RowGroupScannedEvent() - Constructor for class dev.hardwood.jfr.RowGroupScannedEvent

rowGroupsFullyMatching - Variable in class dev.hardwood.jfr.RowGroupFilterEvent

rowGroupsKept - Variable in class dev.hardwood.jfr.RowGroupByteRangeFilterEvent

rowGroupsKept - Variable in class dev.hardwood.jfr.RowGroupFilterEvent

rowGroupsSkipped - Variable in class dev.hardwood.jfr.RowGroupByteRangeFilterEvent

rowGroupsSkipped - Variable in class dev.hardwood.jfr.RowGroupFilterEvent

rowGroupTargetRows() - Method in class dev.hardwood.writer.WriterConfig

Record count at which a row group is cut.

rowGroupTargetRows(long) - Method in class dev.hardwood.writer.WriterConfig.Builder

Sets the record count at which a row group is cut; must be positive.

rowReader() - Method in class dev.hardwood.reader.ParquetFileReader

Shortcut for ParquetFileReader.buildRowReader().build() — read every row of every column with no filter.

rowReader(ParquetFileReader) - Static method in class dev.hardwood.avro.AvroReaders

Create an AvroRowReader that reads all rows and columns.

RowReader - Interface in dev.hardwood.reader

Provides row-oriented iteration over a Parquet file.

rowWriter() - Method in class dev.hardwood.writer.ParquetFileWriter

Returns the row-oriented view over this file: a record-shaped API for callers that hold records rather than columns.

RowWriter - Class in dev.hardwood.writer

Writes a Parquet file record by record, over the same columnar core ColumnWriter exposes through ColumnWriter.writeBatch(Consumer).

RowWriteResult - Interface in dev.hardwood.writer

The outcome of RowWriter.tryWriteRow(Consumer): the record is in the batch, or it was rejected without failing the writer.

RowWriteResult.Rejected - Record Class in dev.hardwood.writer

The record was not staged.

RowWriteResult.Staged - Enum Class in dev.hardwood.writer

The record is in the batch.

S

S3Credentials - Record Class in dev.hardwood.s3

Long-term or temporary AWS credentials.

S3Credentials(String, String, String) - Constructor for record class dev.hardwood.s3.S3Credentials

Creates an instance of a S3Credentials record class.

S3CredentialsProvider - Interface in dev.hardwood.s3

Supplies S3Credentials for signing S3 requests.

S3InputFile - Class in dev.hardwood.s3

InputFile backed by an object in Amazon S3 (or an S3-compatible service).

S3Source - Class in dev.hardwood.s3

A configured connection to an S3-compatible object store.

S3Source.Builder - Class in dev.hardwood.s3

Builder for S3Source.

scale() - Method in record class dev.hardwood.metadata.LogicalType.DecimalType

Returns the value of the scale record component.

scale() - Method in record class dev.hardwood.metadata.SchemaElement

Returns the value of the scale record component.

scanStrategy - Variable in class dev.hardwood.jfr.RowGroupScannedEvent

schema() - Method in record class dev.hardwood.metadata.FileMetaData

Returns the value of the schema record component.

SchemaElement - Record Class in dev.hardwood.metadata

Schema element in Parquet file metadata.

SchemaElement(String, PhysicalType, Integer, RepetitionType, Integer, ConvertedType, Integer, Integer, Integer, LogicalType) - Constructor for record class dev.hardwood.metadata.SchemaElement

Creates an instance of a SchemaElement record class.

SchemaIncompatibleException - Exception Class in dev.hardwood.reader

Thrown when a file cannot be read under the schema the read was planned against.

SchemaIncompatibleException(String) - Constructor for exception class dev.hardwood.reader.SchemaIncompatibleException

SchemaIncompatibleException(String, Throwable) - Constructor for exception class dev.hardwood.reader.SchemaIncompatibleException

SchemaNode - Interface in dev.hardwood.schema

Tree-based representation of Parquet schema for nested data support.

SchemaNode.GroupNode - Record Class in dev.hardwood.schema

Group node representing a struct, list, map, or variant.

SchemaNode.PrimitiveNode - Record Class in dev.hardwood.schema

Primitive leaf node representing an actual data column.

SdkCredentialsProviders - Class in dev.hardwood.aws.auth

Bridges the AWS SDK credential chain to Hardwood's types.

secretAccessKey() - Method in record class dev.hardwood.s3.S3Credentials

Returns the value of the secretAccessKey record component.

sessionToken() - Method in record class dev.hardwood.s3.S3Credentials

Returns the value of the sessionToken record component.

setBinary(int, byte[]) - Method in interface dev.hardwood.writer.StructBuilder

Sets a BYTE_ARRAY or FIXED_LEN_BYTE_ARRAY field by index.

setBinary(String, byte[]) - Method in interface dev.hardwood.writer.StructBuilder

Sets a BYTE_ARRAY or FIXED_LEN_BYTE_ARRAY field from its bytes, which are referenced rather than copied and must not be mutated until the record is written.

setBoolean(int, boolean) - Method in interface dev.hardwood.writer.StructBuilder

Sets a BOOLEAN field by index.

setBoolean(String, boolean) - Method in interface dev.hardwood.writer.StructBuilder

Sets a BOOLEAN field.

setDate(int, LocalDate) - Method in interface dev.hardwood.writer.StructBuilder

Sets a DATE field by index.

setDate(String, LocalDate) - Method in interface dev.hardwood.writer.StructBuilder

Sets an INT32 field annotated DATE, as days since the Unix epoch.

setDecimal(int, BigDecimal) - Method in interface dev.hardwood.writer.StructBuilder

Sets a DECIMAL field by index.

setDecimal(String, BigDecimal) - Method in interface dev.hardwood.writer.StructBuilder

Sets a field annotated DECIMAL, in whichever of INT32, INT64, BYTE_ARRAY or FIXED_LEN_BYTE_ARRAY the column declares.

setDouble(int, double) - Method in interface dev.hardwood.writer.StructBuilder

Sets a DOUBLE field by index.

setDouble(String, double) - Method in interface dev.hardwood.writer.StructBuilder

Sets a DOUBLE field.

setFloat(int, float) - Method in interface dev.hardwood.writer.StructBuilder

Sets a FLOAT field by index.

setFloat(String, float) - Method in interface dev.hardwood.writer.StructBuilder

Sets a FLOAT field.

setInt(int, int) - Method in interface dev.hardwood.writer.StructBuilder

Sets an INT32 field by index.

setInt(String, int) - Method in interface dev.hardwood.writer.StructBuilder

Sets an INT32 field.

setInterval(int, PqInterval) - Method in interface dev.hardwood.writer.StructBuilder

Sets an INTERVAL field by index.

setInterval(String, PqInterval) - Method in interface dev.hardwood.writer.StructBuilder

Sets a FIXED_LEN_BYTE_ARRAY(12) field annotated INTERVAL.

setList(int, Consumer) - Method in interface dev.hardwood.writer.StructBuilder

Sets a LIST field by index.

setList(String, Consumer) - Method in interface dev.hardwood.writer.StructBuilder

Sets a LIST field, appending its entries through filler.

setLocalTimestamp(int, LocalDateTime) - Method in interface dev.hardwood.writer.StructBuilder

Sets a local-wall-clock TIMESTAMP field by index.

setLocalTimestamp(String, LocalDateTime) - Method in interface dev.hardwood.writer.StructBuilder

Sets a field annotated TIMESTAMP with isAdjustedToUTC = false, over an INT64 or a FIXED_LEN_BYTE_ARRAY(12).

setLong(int, long) - Method in interface dev.hardwood.writer.StructBuilder

Sets an INT64 field by index.

setLong(String, long) - Method in interface dev.hardwood.writer.StructBuilder

Sets an INT64 field.

setMap(int, Consumer) - Method in interface dev.hardwood.writer.StructBuilder

Sets a MAP field by index.

setMap(String, Consumer) - Method in interface dev.hardwood.writer.StructBuilder

Sets a MAP field, appending its entries through filler.

setNull(int) - Method in interface dev.hardwood.writer.StructBuilder

Sets a field null by index.

setNull(String) - Method in interface dev.hardwood.writer.StructBuilder

Sets a field null.

setString(int, String) - Method in interface dev.hardwood.writer.StructBuilder

Sets a STRING-shaped field by index.

setString(String, String) - Method in interface dev.hardwood.writer.StructBuilder

Sets a BYTE_ARRAY field annotated STRING, ENUM or JSON, or unannotated, from the value's UTF-8 bytes.

setStruct(int, Consumer) - Method in interface dev.hardwood.writer.StructBuilder

Sets a nested struct field by index.

setStruct(String, Consumer) - Method in interface dev.hardwood.writer.StructBuilder

Sets a nested struct field, populating it through filler.

setTime(int, LocalTime) - Method in interface dev.hardwood.writer.StructBuilder

Sets a TIME field by index.

setTime(String, LocalTime) - Method in interface dev.hardwood.writer.StructBuilder

Sets a field annotated TIME, in the unit the annotation declares.

setTimestamp(int, Instant) - Method in interface dev.hardwood.writer.StructBuilder

Sets a UTC-adjusted TIMESTAMP field by index.

setTimestamp(String, Instant) - Method in interface dev.hardwood.writer.StructBuilder

Sets a field annotated TIMESTAMP with isAdjustedToUTC = true, in the unit the annotation declares, over an INT64 or a FIXED_LEN_BYTE_ARRAY(12).

setUuid(int, UUID) - Method in interface dev.hardwood.writer.StructBuilder

Sets a UUID field by index.

setUuid(String, UUID) - Method in interface dev.hardwood.writer.StructBuilder

Sets a FIXED_LEN_BYTE_ARRAY(16) field annotated UUID.

size - Variable in class dev.hardwood.jfr.FileMappingEvent

size() - Method in class dev.hardwood.reader.BinaryDictionary

size() - Method in interface dev.hardwood.reader.ColumnDictionary

The number of entries; entry ids run from 0 to size() - 1.

size() - Method in interface dev.hardwood.row.PqDoubleList

Get the number of elements in this list.

size() - Method in interface dev.hardwood.row.PqIntList

Get the number of elements in this list.

size() - Method in interface dev.hardwood.row.PqList

Get the number of elements in this list.

size() - Method in interface dev.hardwood.row.PqLongList

Get the number of elements in this list.

size() - Method in interface dev.hardwood.row.PqMap

Get the number of entries in this map.

size() - Method in interface dev.hardwood.row.PqVariantArray

Number of elements in the array.

sizeStatistics() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the sizeStatistics record component.

SizeStatistics - Record Class in dev.hardwood.metadata

Size statistics for a column chunk: the unencoded size of its BYTE_ARRAY data and its repetition- and definition-level histograms.

SizeStatistics(Long, long[], long[]) - Constructor for record class dev.hardwood.metadata.SizeStatistics

Creates an instance of a SizeStatistics record class.

skip(long) - Method in class dev.hardwood.reader.ParquetFileReader.RowReaderBuilder

Skip leading rows before reading — SQL OFFSET.

SNAPPY - Enum constant in enum class dev.hardwood.metadata.CompressionCodec

Snappy compression (fast, moderate ratio).

sourceIdentity() - Method in interface dev.hardwood.metadata.ParsedFooter

The InputFile.identity() of the file the footer was read from; empty when that file had none.

sourceIdentity() - Method in exception class dev.hardwood.reader.StaleMetadataException

The identity of the file the supplied footer was read from; empty when it had none.

SPARSE_TEMPFILE - Enum constant in enum class dev.hardwood.s3.RangeBacking

Whole-file cache backed by a sparse temp file mmapped into the process.

specVersion() - Method in record class dev.hardwood.metadata.LogicalType.VariantType

Returns the value of the specVersion record component.

SPHERICAL - Enum constant in enum class dev.hardwood.metadata.LogicalType.EdgeInterpolationAlgorithm

StaleMetadataException - Exception Class in dev.hardwood.reader

Raised when the footer a MetadataSource supplied does not describe the file being read.

StaleMetadataException(String, StaleMetadataException.Check, Optional, Optional, String) - Constructor for exception class dev.hardwood.reader.StaleMetadataException

StaleMetadataException.Check - Enum Class in dev.hardwood.reader

The check the supplied footer failed.

startInclusive() - Method in record class dev.hardwood.reader.RowGroupPredicate.ByteRange

Returns the value of the startInclusive record component.

statistics() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the statistics record component.

Statistics - Record Class in dev.hardwood.metadata

Column chunk statistics for min/max values, null count, and distinct count.

Statistics(byte[], byte[], Long, Long, boolean) - Constructor for record class dev.hardwood.metadata.Statistics

Statistics whose bounds are exact and whose NaN count was not recorded — the common case for every fixed-width type and any untruncated bound.

Statistics(byte[], byte[], Long, Long, boolean, boolean, boolean, Long) - Constructor for record class dev.hardwood.metadata.Statistics

Creates an instance of a Statistics record class.

statisticsTruncationLength() - Method in class dev.hardwood.writer.WriterConfig

The maximum length of a BYTE_ARRAY min / max statistics bound before it is truncated (and flagged inexact).

statisticsTruncationLength(int) - Method in class dev.hardwood.writer.WriterConfig.Builder

Sets the maximum BYTE_ARRAY min / max statistics bound length; must be positive.

STRATEGY_OFFSET_INDEX - Static variable in class dev.hardwood.jfr.RowGroupScannedEvent

STRATEGY_SEQUENTIAL - Static variable in class dev.hardwood.jfr.RowGroupScannedEvent

string() - Static method in interface dev.hardwood.metadata.LogicalType

The STRING annotation, for a UTF-8 encoded string.

STRING - Enum constant in enum class dev.hardwood.row.VariantType

UTF-8 string.

StringColumnPredicate(String, FilterPredicate.Operator, String) - Constructor for record class dev.hardwood.reader.FilterPredicate.StringColumnPredicate

Creates an instance of a StringColumnPredicate record class.

StringInPredicate(String, String[]) - Constructor for record class dev.hardwood.reader.FilterPredicate.StringInPredicate

Creates an instance of a StringInPredicate record class.

strings() - Method in interface dev.hardwood.row.PqList

View the elements as a List of String values, decoded from UTF-8.

StringType() - Constructor for record class dev.hardwood.metadata.LogicalType.StringType

Creates an instance of a StringType record class.

struct(RepetitionType, Consumer) - Method in class dev.hardwood.schema.FileSchema.ElementBuilder

Declare a struct element.

struct(String, RepetitionType, Consumer) - Method in class dev.hardwood.schema.FileSchema.Builder

Append a struct group whose fields are declared by filler.

struct(String, RepetitionType, Consumer) - Method in class dev.hardwood.schema.FileSchema.StructBuilder

Append a nested struct field.

struct(String, Validity) - Method in class dev.hardwood.writer.ColumnBatch

Sets the per-instance nulls of an OPTIONAL struct group, addressed by its dot-separated path.

STRUCT - Enum constant in enum class dev.hardwood.reader.LayerKind

A user-authored OPTIONAL group along the schema chain.

StructAccessor - Interface in dev.hardwood.row

Parquet-struct access interface.

StructBuilder - Interface in dev.hardwood.writer

Sets the fields of one struct — a record being written, or a struct nested inside one.

structs() - Method in interface dev.hardwood.row.PqList

View the elements as a List of nested structs.

T

tail(long) - Method in class dev.hardwood.avro.AvroReaders.RowReaderBuilder

Limit to the last tailRows rows.

tail(long) - Method in class dev.hardwood.reader.ParquetFileReader.RowReaderBuilder

Limit to the last tailRows rows.

tempDir(Path) - Method in class dev.hardwood.s3.S3Source.Builder

Sets the temp directory used by RangeBacking.SPARSE_TEMPFILE for the sparse-file backing.

THOMAS - Enum constant in enum class dev.hardwood.metadata.LogicalType.EdgeInterpolationAlgorithm

threads(int) - Method in interface dev.hardwood.HardwoodContext.Builder

Sets the number of platform threads the context uses to decompress and decode pages.

time(boolean, LogicalType.TimeUnit) - Static method in interface dev.hardwood.metadata.LogicalType

The TIME annotation, for a time of day of a given resolution.

TIME_MICROS - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Time of day in microseconds, stored as INT64.

TIME_MILLIS - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Time of day in milliseconds, stored as INT32.

TIME_NTZ - Enum constant in enum class dev.hardwood.row.VariantType

Time of day with microsecond precision, no timezone.

TimeColumnPredicate(String, FilterPredicate.Operator, LocalTime) - Constructor for record class dev.hardwood.reader.FilterPredicate.TimeColumnPredicate

Creates an instance of a TimeColumnPredicate record class.

TimeInPredicate(String, List) - Constructor for record class dev.hardwood.reader.FilterPredicate.TimeInPredicate

Creates an instance of a TimeInPredicate record class.

times() - Method in interface dev.hardwood.row.PqList

View the elements as a List of LocalTime values.

timestamp(boolean, LogicalType.TimeUnit) - Static method in interface dev.hardwood.metadata.LogicalType

The TIMESTAMP annotation, for a timestamp of a given resolution.

TIMESTAMP - Enum constant in enum class dev.hardwood.row.VariantType

Timestamp with microsecond precision, UTC-adjusted.

TIMESTAMP_MICROS - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Timestamp in microseconds since Unix epoch, stored as INT64.

TIMESTAMP_MILLIS - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Timestamp in milliseconds since Unix epoch, stored as INT64.

TIMESTAMP_NANOS - Enum constant in enum class dev.hardwood.row.VariantType

Timestamp with nanosecond precision, UTC-adjusted.

TIMESTAMP_NTZ - Enum constant in enum class dev.hardwood.row.VariantType

Timestamp with microsecond precision, no timezone.

TIMESTAMP_NTZ_NANOS - Enum constant in enum class dev.hardwood.row.VariantType

Timestamp with nanosecond precision, no timezone.

timestamps() - Method in interface dev.hardwood.row.PqList

View the elements as a List of Instant (timestamp) values.

TimestampType(boolean, LogicalType.TimeUnit) - Constructor for record class dev.hardwood.metadata.LogicalType.TimestampType

Creates an instance of a TimestampType record class.

TimeType(boolean, LogicalType.TimeUnit) - Constructor for record class dev.hardwood.metadata.LogicalType.TimeType

Creates an instance of a TimeType record class.

toArray() - Method in interface dev.hardwood.row.PqDoubleList

Convert to a primitive array.

toArray() - Method in interface dev.hardwood.row.PqIntList

Convert to a primitive array.

toArray() - Method in interface dev.hardwood.row.PqLongList

Convert to a primitive array.

topLevelName() - Method in record class dev.hardwood.metadata.FieldPath

Returns the first (top-level) element of the path.

toSchemaElements() - Method in class dev.hardwood.schema.FileSchema

Flattens this schema back into the depth-first SchemaElement list written to the file footer, the inverse of FileSchema.fromSchemaElements(List): the root element followed by each node in pre-order, groups carrying their child count.

toString() - Method in record class dev.hardwood.metadata.BoundingBox

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.ColumnChunk

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.ColumnIndex

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.FieldPath

Returns the dot-separated string representation of this path.

toString() - Method in record class dev.hardwood.metadata.FileMetaData

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.GeospatialStatistics

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.BsonType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.DateType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.DecimalType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.EnumType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.Float16Type

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.GeographyType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.GeometryType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.IntervalType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.IntType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.JsonType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.ListType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.MapType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.NullType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.StringType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.TimestampType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.TimeType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.UuidType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.LogicalType.VariantType

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.OffsetIndex

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.PageEncodingStats

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.PageLocation

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.RowGroup

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.SchemaElement

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.SizeStatistics

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.metadata.Statistics

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.And

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.BinaryColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.BinaryInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.BooleanColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.DateColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.DateInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.DecimalColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.DecimalInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.DoubleColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.DoubleInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.FloatColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.FloatInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.InstantColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.InstantInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.IntColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.IntersectsPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.IntervalColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.IntervalInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.IntInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.IsNotNullPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.IsNullPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.LocalDateTimeColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.LocalDateTimeInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.LongColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.LongInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.Not

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.Or

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.StringColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.StringInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.TimeColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.TimeInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.UUIDColumnPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.FilterPredicate.UUIDInPredicate

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.RowGroupPredicate.And

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.reader.RowGroupPredicate.ByteRange

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.row.PqInterval

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.s3.S3Credentials

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.schema.ColumnSchema

Returns a string representation of this record class.

toString() - Method in class dev.hardwood.schema.FileSchema

toString() - Method in record class dev.hardwood.schema.SchemaNode.GroupNode

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.schema.SchemaNode.PrimitiveNode

Returns a string representation of this record class.

toString() - Method in record class dev.hardwood.writer.RowWriteResult.Rejected

Returns a string representation of this record class.

totalByteSize() - Method in record class dev.hardwood.metadata.RowGroup

Returns the value of the totalByteSize record component.

totalCompressedSize() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the totalCompressedSize record component.

totalPages - Variable in class dev.hardwood.jfr.PageFilterEvent

totalRecords - Variable in class dev.hardwood.jfr.RecordFilterEvent

totalRowGroups - Variable in class dev.hardwood.jfr.RowGroupByteRangeFilterEvent

totalRowGroups - Variable in class dev.hardwood.jfr.RowGroupFilterEvent

totalUncompressedSize() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the totalUncompressedSize record component.

TRAILER - Enum constant in enum class dev.hardwood.reader.StaleMetadataException.Check

The file's length, or the footer length its trailer records, differs from those the footer was read with.

TRUNCATE - Enum constant in enum class dev.hardwood.writer.PrecisionLossPolicy

Drop the digits the column cannot hold, and write the value.

tryWriteRow(Consumer) - Method in class dev.hardwood.writer.RowWriter

Stages one record, or returns the rejection without failing the writer.

type() - Method in record class dev.hardwood.metadata.ColumnMetaData

Returns the value of the type record component.

type() - Method in record class dev.hardwood.metadata.SchemaElement

Returns the value of the type record component.

type() - Method in interface dev.hardwood.row.PqVariant

The Variant type tag decoded from the value header.

type() - Method in record class dev.hardwood.schema.ColumnSchema

Returns the value of the type record component.

type() - Method in record class dev.hardwood.schema.SchemaNode.PrimitiveNode

Returns the value of the type record component.

TYPE_DEFINED_ORDER - Enum constant in enum class dev.hardwood.metadata.ColumnOrder

Ordering defined by the column's physical or logical type (the TYPE_ORDER union member).

typeLength() - Method in record class dev.hardwood.metadata.SchemaElement

Returns the value of the typeLength record component.

typeLength() - Method in record class dev.hardwood.schema.ColumnSchema

Returns the value of the typeLength record component.

U

UINT_16 - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Unsigned 16-bit integer, stored as INT32.

UINT_32 - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Unsigned 32-bit integer, stored as INT32.

UINT_64 - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Unsigned 64-bit integer, stored as INT64.

UINT_8 - Enum constant in enum class dev.hardwood.metadata.ConvertedType

Unsigned 8-bit integer, stored as INT32.

UNCOMPRESSED - Enum constant in enum class dev.hardwood.metadata.CompressionCodec

No compression.

uncompressedSize - Variable in class dev.hardwood.jfr.PageDecodedEvent

unencodedByteArrayDataBytes() - Method in record class dev.hardwood.metadata.OffsetIndex

Returns the value of the unencodedByteArrayDataBytes record component.

unencodedByteArrayDataBytes() - Method in record class dev.hardwood.metadata.SizeStatistics

Returns the value of the unencodedByteArrayDataBytes record component.

unit() - Method in record class dev.hardwood.metadata.LogicalType.TimestampType

Returns the value of the unit record component.

unit() - Method in record class dev.hardwood.metadata.LogicalType.TimeType

Returns the value of the unit record component.

UNKNOWN - Enum constant in enum class dev.hardwood.metadata.ColumnOrder

A ColumnOrder union member that this version of Hardwood does not recognize, e.g. an ordering added to the Parquet format after this release.

UNKNOWN - Enum constant in enum class dev.hardwood.metadata.Encoding

Placeholder for unknown/unsupported encodings found in metadata.

UNKNOWN - Enum constant in enum class dev.hardwood.metadata.LogicalType.EdgeInterpolationAlgorithm

An algorithm added to the format after this release.

UNKNOWN - Enum constant in enum class dev.hardwood.metadata.PageType

Placeholder for a page type found in metadata that is not recognized.

UNORDERED - Enum constant in enum class dev.hardwood.metadata.ColumnIndex.BoundaryOrder

UTF8 - Enum constant in enum class dev.hardwood.metadata.ConvertedType

UTF-8 encoded character string.

uuid() - Static method in interface dev.hardwood.metadata.LogicalType

The UUID annotation, for a UUID stored as a 16-byte fixed-length byte array.

UUID - Enum constant in enum class dev.hardwood.row.VariantType

UUID stored as 16 bytes (big-endian).

UUIDColumnPredicate(String, FilterPredicate.Operator, byte[]) - Constructor for record class dev.hardwood.reader.FilterPredicate.UUIDColumnPredicate

Creates an instance of a UUIDColumnPredicate record class.

UUIDInPredicate(String, List) - Constructor for record class dev.hardwood.reader.FilterPredicate.UUIDInPredicate

Creates an instance of a UUIDInPredicate record class.

uuids() - Method in interface dev.hardwood.row.PqList

View the elements as a List of UUID values.

UuidType() - Constructor for record class dev.hardwood.metadata.LogicalType.UuidType

Creates an instance of a UuidType record class.

V

Validity - Interface in dev.hardwood

Per-item nullability over a run of items, shared by the reader and the writer: the reader returns it (a column-reader leaf or STRUCT / REPEATED layer scope), and the writer accepts it as a column's null mask.

value() - Method in record class dev.hardwood.reader.FilterPredicate.BinaryColumnPredicate

Returns a copy of the stored bytes.

value() - Method in record class dev.hardwood.reader.FilterPredicate.BooleanColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.DateColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.DecimalColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.DoubleColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.FloatColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.InstantColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.IntColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.IntervalColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.LocalDateTimeColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.LongColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.StringColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.TimeColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.UUIDColumnPredicate

Returns a copy of the UUID's 16 bytes.

value() - Method in interface dev.hardwood.row.PqVariant

The canonical Variant value bytes.

valueOf(String) - Static method in enum class dev.hardwood.metadata.ColumnIndex.BoundaryOrder

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.metadata.ColumnOrder

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.metadata.CompressionCodec

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.metadata.ConvertedType

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.metadata.Encoding

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.metadata.LogicalType.EdgeInterpolationAlgorithm

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.metadata.LogicalType.TimeUnit

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.metadata.PageType

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.metadata.PhysicalType

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.metadata.RepetitionType

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.reader.FilterPredicate.Operator

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.reader.LayerKind

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.reader.StaleMetadataException.Check

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.row.VariantType

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.s3.RangeBacking

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.writer.ColumnEncoding

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.writer.PrecisionLossPolicy

Returns the enum constant of this class with the specified name.

valueOf(String) - Static method in enum class dev.hardwood.writer.RowWriteResult.Staged

Returns the enum constant of this class with the specified name.

values() - Static method in enum class dev.hardwood.metadata.ColumnIndex.BoundaryOrder

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.metadata.ColumnOrder

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.metadata.CompressionCodec

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.metadata.ConvertedType

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.metadata.Encoding

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.metadata.LogicalType.EdgeInterpolationAlgorithm

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.metadata.LogicalType.TimeUnit

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.metadata.PageType

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.metadata.PhysicalType

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.metadata.RepetitionType

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Method in record class dev.hardwood.reader.FilterPredicate.BinaryInPredicate

Returns a copy of the probes, each probe copied too.

values() - Method in record class dev.hardwood.reader.FilterPredicate.DateInPredicate

Returns the value of the values record component.

values() - Method in record class dev.hardwood.reader.FilterPredicate.DecimalInPredicate

Returns the value of the values record component.

values() - Method in record class dev.hardwood.reader.FilterPredicate.DoubleInPredicate

Returns a copy of the probes.

values() - Method in record class dev.hardwood.reader.FilterPredicate.FloatInPredicate

Returns a copy of the probes.

values() - Method in record class dev.hardwood.reader.FilterPredicate.InstantInPredicate

Returns the value of the values record component.

values() - Method in record class dev.hardwood.reader.FilterPredicate.IntervalInPredicate

Returns the value of the values record component.

values() - Method in record class dev.hardwood.reader.FilterPredicate.IntInPredicate

Returns a copy of the probes.

values() - Method in record class dev.hardwood.reader.FilterPredicate.LocalDateTimeInPredicate

Returns the value of the values record component.

values() - Method in record class dev.hardwood.reader.FilterPredicate.LongInPredicate

Returns a copy of the probes.

values() - Static method in enum class dev.hardwood.reader.FilterPredicate.Operator

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Method in record class dev.hardwood.reader.FilterPredicate.StringInPredicate

Returns a copy of the probes.

values() - Method in record class dev.hardwood.reader.FilterPredicate.TimeInPredicate

Returns the value of the values record component.

values() - Method in record class dev.hardwood.reader.FilterPredicate.UUIDInPredicate

Returns the value of the values record component.

values() - Static method in enum class dev.hardwood.reader.LayerKind

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.reader.StaleMetadataException.Check

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Method in interface dev.hardwood.row.PqList

View the elements as a List, each decoded to its logical-type representation.

values() - Static method in enum class dev.hardwood.row.VariantType

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.s3.RangeBacking

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.writer.ColumnEncoding

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.writer.PrecisionLossPolicy

Returns an array containing the constants of this enum class, in the order they are declared.

values() - Static method in enum class dev.hardwood.writer.RowWriteResult.Staged

Returns an array containing the constants of this enum class, in the order they are declared.

variant(int) - Static method in interface dev.hardwood.metadata.LogicalType

The VARIANT annotation, for a group holding a self-describing, semi-structured value.

variants() - Method in interface dev.hardwood.row.PqList

View the elements as a List of PqVariant values.

VariantType - Enum Class in dev.hardwood.row

Logical type of a Variant value, as carried in the Variant binary encoding's value header.

VariantType(int) - Constructor for record class dev.hardwood.metadata.LogicalType.VariantType

Creates an instance of a VariantType record class.

VariantTypeException - Exception Class in dev.hardwood.row

Thrown when a Variant accessor is called on a value whose tagged type does not match what the accessor expects — for example, calling PqVariant.asInt() on a Variant holding a STRING.

VariantTypeException(String) - Constructor for exception class dev.hardwood.row.VariantTypeException

version() - Method in record class dev.hardwood.metadata.FileMetaData

Returns the value of the version record component.

VINCENTY - Enum constant in enum class dev.hardwood.metadata.LogicalType.EdgeInterpolationAlgorithm

W

words() - Method in interface dev.hardwood.Validity

The word array (set-bit = present polarity).

write(ByteBuffer) - Method in class dev.hardwood.InMemoryOutputFile

write(ByteBuffer) - Method in interface dev.hardwood.OutputFile

Appends the remaining bytes of data to the file.

writeBatch(Consumer) - Method in class dev.hardwood.writer.ColumnWriter

Writes one aligned batch of column values, flushing row groups as the buffered data crosses the row-group target.

WriterConfig - Class in dev.hardwood.writer

Tuning knobs for ParquetFileWriter.

WriterConfig.Builder - Class in dev.hardwood.writer

Builder for WriterConfig.

writeRow(Consumer) - Method in class dev.hardwood.writer.RowWriter

Writes one record.

X

xmax() - Method in record class dev.hardwood.metadata.BoundingBox

Returns the value of the xmax record component.

xmax() - Method in record class dev.hardwood.reader.FilterPredicate.IntersectsPredicate

Returns the value of the xmax record component.

xmin() - Method in record class dev.hardwood.metadata.BoundingBox

Returns the value of the xmin record component.

xmin() - Method in record class dev.hardwood.reader.FilterPredicate.IntersectsPredicate

Returns the value of the xmin record component.

Y

ymax() - Method in record class dev.hardwood.metadata.BoundingBox

Returns the value of the ymax record component.

ymax() - Method in record class dev.hardwood.reader.FilterPredicate.IntersectsPredicate

Returns the value of the ymax record component.

ymin() - Method in record class dev.hardwood.metadata.BoundingBox

Returns the value of the ymin record component.

ymin() - Method in record class dev.hardwood.reader.FilterPredicate.IntersectsPredicate

Returns the value of the ymin record component.

Z

zmax() - Method in record class dev.hardwood.metadata.BoundingBox

Returns the value of the zmax record component.

zmin() - Method in record class dev.hardwood.metadata.BoundingBox

Returns the value of the zmin record component.

ZSTD - Enum constant in enum class dev.hardwood.metadata.CompressionCodec

Zstandard compression.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
All Classes and Interfaces|All Packages|Constant Field Values|Serialized Form