Module org.apache.lucene.core
Package org.apache.lucene.util.bkd

Class HeapPointWriter

java.lang.Object
org.apache.lucene.util.bkd.HeapPointWriter
All Implemented Interfaces:
Closeable, AutoCloseable, PointWriter
public final class HeapPointWriter extends Object implements PointWriter
Utility class to write new points into in-heap arrays.

  • Field Details

    • block

      public final byte[] block

    • size

      final int size

    • config

      final BKDConfig config

    • scratch

      private final byte[] scratch

    • nextWrite

      private int nextWrite

    • closed

      private boolean closed

    • pointValue

      private HeapPointReader.HeapPointValue pointValue

  • Constructor Details

    • HeapPointWriter

      public HeapPointWriter(BKDConfig config, int size)

  • Method Details

    • getPackedValueSlice

      public PointValue getPackedValueSlice(int index)
      Returns a reference, in result, to the byte[] slice holding this value

    • append

      public void append(byte[] packedValue, int docID)
      Description copied from interface: PointWriter
      Add a new point from the packed value and docId
      Specified by:
      append in interface PointWriter

    • append

      public void append(PointValue pointValue)
      Description copied from interface: PointWriter
      Add a new point from a PointValue
      Specified by:
      append in interface PointWriter

    • swap

      public void swap(int i, int j)

    • computeCardinality

      public int computeCardinality(int from, int to, int[] commonPrefixLengths)

    • count

      public long count()
      Description copied from interface: PointWriter
      Return the number of points in this writer
      Specified by:
      count in interface PointWriter

    • getReader

      public PointReader getReader(long start, long length)
      Description copied from interface: PointWriter
      Returns a PointReader iterator to step through all previously added points
      Specified by:
      getReader in interface PointWriter

    • close

      public void close()
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable

    • destroy

      public void destroy()
      Description copied from interface: PointWriter
      Removes any temp files behind this writer
      Specified by:
      destroy in interface PointWriter

    • toString

      public String toString()
      Overrides:
      toString in class Object