Record Class PageLocation

java.lang.Object
java.lang.Record
dev.hardwood.metadata.PageLocation
Record Components:
offset - absolute file offset of the page
compressedPageSize - total page size in file including header
firstRowIndex - index of the first row in this page within the row group
public record PageLocation(long offset, int compressedPageSize, long firstRowIndex) extends Record
Location of a data page within a column chunk.
See Also:

  • Constructor Details

    • PageLocation

      public PageLocation(long offset, int compressedPageSize, long firstRowIndex)
      Creates an instance of a PageLocation record class.
      Parameters:
      offset - the value for the offset record component
      compressedPageSize - the value for the compressedPageSize record component
      firstRowIndex - the value for the firstRowIndex record component

  • Method Details

    • toString

      public final String toString()
      Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.
      Specified by:
      toString in class Record
      Returns:
      a string representation of this object

    • hashCode

      public final int hashCode()
      Returns a hash code value for this object. The value is derived from the hash code of each of the record components.
      Specified by:
      hashCode in class Record
      Returns:
      a hash code value for this object

    • equals

      public final boolean equals(Object o)
      Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with the compare method from their corresponding wrapper classes.
      Specified by:
      equals in class Record
      Parameters:
      o - the object with which to compare
      Returns:
      true if this object is the same as the o argument; false otherwise.

    • offset

      public long offset()
      Returns the value of the offset record component.
      Returns:
      the value of the offset record component

    • compressedPageSize

      public int compressedPageSize()
      Returns the value of the compressedPageSize record component.
      Returns:
      the value of the compressedPageSize record component

    • firstRowIndex

      public long firstRowIndex()
      Returns the value of the firstRowIndex record component.
      Returns:
      the value of the firstRowIndex record component