Package org.apache.lucene.util.packed

Interface PackedInts.Encoder

Enclosing class:
PackedInts
public static interface PackedInts.Encoder
An encoder for packed integers.

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    byteBlockCount()
    The minimum number of byte blocks to encode in a single iteration, when using byte encoding.
    int
    byteValueCount()
    The number of values that can be stored in byteBlockCount() byte blocks.
    void
    encode(int[] values, int valuesOffset, byte[] blocks, int blocksOffset, int iterations)
    Read iterations * valueCount() values from values, encode them and write 8 * iterations * blockCount() blocks into blocks.
    void
    encode(int[] values, int valuesOffset, long[] blocks, int blocksOffset, int iterations)
    Read iterations * valueCount() values from values, encode them and write iterations * blockCount() blocks into blocks.
    void
    encode(long[] values, int valuesOffset, byte[] blocks, int blocksOffset, int iterations)
    Read iterations * valueCount() values from values, encode them and write 8 * iterations * blockCount() blocks into blocks.
    void
    encode(long[] values, int valuesOffset, long[] blocks, int blocksOffset, int iterations)
    Read iterations * valueCount() values from values, encode them and write iterations * blockCount() blocks into blocks.
    int
    longBlockCount()
    The minimum number of long blocks to encode in a single iteration, when using long encoding.
    int
    longValueCount()
    The number of values that can be stored in longBlockCount() long blocks.

  • Method Details

    • longBlockCount

      int longBlockCount()
      The minimum number of long blocks to encode in a single iteration, when using long encoding.

    • longValueCount

      int longValueCount()
      The number of values that can be stored in longBlockCount() long blocks.

    • byteBlockCount

      int byteBlockCount()
      The minimum number of byte blocks to encode in a single iteration, when using byte encoding.

    • byteValueCount

      int byteValueCount()
      The number of values that can be stored in byteBlockCount() byte blocks.

    • encode

      void encode(long[] values, int valuesOffset, long[] blocks, int blocksOffset, int iterations)
      Read iterations * valueCount() values from values, encode them and write iterations * blockCount() blocks into blocks.
      Parameters:
      blocks - the long blocks that hold packed integer values
      blocksOffset - the offset where to start writing blocks
      values - the values buffer
      valuesOffset - the offset where to start reading values
      iterations - controls how much data to encode

    • encode

      void encode(long[] values, int valuesOffset, byte[] blocks, int blocksOffset, int iterations)
      Read iterations * valueCount() values from values, encode them and write 8 * iterations * blockCount() blocks into blocks.
      Parameters:
      blocks - the long blocks that hold packed integer values
      blocksOffset - the offset where to start writing blocks
      values - the values buffer
      valuesOffset - the offset where to start reading values
      iterations - controls how much data to encode

    • encode

      void encode(int[] values, int valuesOffset, long[] blocks, int blocksOffset, int iterations)
      Read iterations * valueCount() values from values, encode them and write iterations * blockCount() blocks into blocks.
      Parameters:
      blocks - the long blocks that hold packed integer values
      blocksOffset - the offset where to start writing blocks
      values - the values buffer
      valuesOffset - the offset where to start reading values
      iterations - controls how much data to encode

    • encode

      void encode(int[] values, int valuesOffset, byte[] blocks, int blocksOffset, int iterations)
      Read iterations * valueCount() values from values, encode them and write 8 * iterations * blockCount() blocks into blocks.
      Parameters:
      blocks - the long blocks that hold packed integer values
      blocksOffset - the offset where to start writing blocks
      values - the values buffer
      valuesOffset - the offset where to start reading values
      iterations - controls how much data to encode