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

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

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.

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.

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.

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 - 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.

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

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 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 flat schema 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

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.reader.ColumnReader

Releases the resources held by this reader.

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

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

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

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.DecimalColumnPredicate

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.FloatColumnPredicate

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.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.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.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.SignedBinaryColumnPredicate

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.UUIDColumnPredicate

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

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 a shared RowGroupIterator 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 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 - 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.

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 - 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.

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_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_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 full AWS default credential chain (env vars, ~/.aws/credentials, EC2/ECS instance profile, SSO, web identity, etc.).

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 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.

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).

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

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

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).

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, 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.DecimalColumnPredicate

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.FloatColumnPredicate

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.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.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.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.SignedBinaryColumnPredicate

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.UUIDColumnPredicate

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.

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 - 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.RowGroupByteRangeFilterEvent

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

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

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.

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 for filtering row groups based on column statistics.

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

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

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

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

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

Predicate for DATE columns.

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

Predicate for DECIMAL columns.

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

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

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

Predicate for TIMESTAMP columns.

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

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

Predicate for spatial bounding box.

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.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.SignedBinaryColumnPredicate - Record Class in dev.hardwood.reader

Predicate for decimal columns stored as FIXED_LEN_BYTE_ARRAY, which require signed (two's complement) comparison.

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

Predicate for TIME columns.

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

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.

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.

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.

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

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

Creates an instance of a GeographyType record class.

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 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.

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

Get the key as a BINARY.

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

Sentinel-suffixed offsets into ColumnReader.getBinaryValues().

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

Get the value as a BINARY.

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

Backing byte buffer for a varlength leaf.

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 projected columns.

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.

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 set of column names to project, 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 most recently published 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 interface dev.hardwood.row.StructAccessor

Get a STRING field value by field index.

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

Get a STRING, ENUM or JSON field value by name, decoded from UTF-8.

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

Get the key as a STRING.

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.

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, 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

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, 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, 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

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, 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.

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.DecimalColumnPredicate

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.FloatColumnPredicate

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.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.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.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.SignedBinaryColumnPredicate

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.UUIDColumnPredicate

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.

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

true iff at least one item at this scope is null in the current batch.

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

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

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

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

A page holding an index into the column chunk.

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.

InstantColumnPredicate(String, FilterPredicate.Operator, Instant) - Constructor for record class dev.hardwood.reader.FilterPredicate.InstantColumnPredicate

Creates an instance of a InstantColumnPredicate record class.

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

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

Interval stored as a 12-byte fixed-length byte array.

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) - 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, used to push NOT through leaf predicates.

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 - 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(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.

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 scale and precision.

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, 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

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, 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, 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

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, 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(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.

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.

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

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, 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() - 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.LongColumnPredicate

Returns the value of the op record component.

op() - Method in record class dev.hardwood.reader.FilterPredicate.SignedBinaryColumnPredicate

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

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).

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.

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 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.

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.

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.

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.

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

RowGroupFilterEvent - Class in dev.hardwood.jfr

JFR event emitted when row groups are filtered by a predicate push-down filter.

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

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

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).

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

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 an INT64 field annotated TIMESTAMP with isAdjustedToUTC = false.

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 an INT64 field annotated TIMESTAMP with isAdjustedToUTC = true, in the unit the annotation declares.

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.

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

Creates an instance of a SignedBinaryColumnPredicate record class.

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

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).

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

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

UTF-8 string.

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

View the elements as a List of String values.

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

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.

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

View the elements as a List of LocalTime values.

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.DecimalColumnPredicate

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.FloatColumnPredicate

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.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.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.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.SignedBinaryColumnPredicate

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.UUIDColumnPredicate

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.

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.

TRUNCATE - Enum constant in enum class dev.hardwood.writer.PrecisionLossPolicy

Drop the digits the column cannot hold, and write the value.

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 - 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.

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 the value of the value record component.

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.LongColumnPredicate

Returns the value of the value record component.

value() - Method in record class dev.hardwood.reader.FilterPredicate.SignedBinaryColumnPredicate

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 the value of the value record component.

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.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.

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 the value of the values record component.

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

Returns the value of the values record component.

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

Returns the value of the values record component.

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() - 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() - 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.

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 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.

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