Package org.apache.lucene.util.packed

Interface PackedInts.Decoder

  • Enclosing class:
    PackedInts
    public static interface PackedInts.Decoder
    A decoder for packed integers.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      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 decode​(byte[] blocks, int blocksOffset, int[] values, int valuesOffset, int iterations)
      Read 8 * iterations * blockCount() blocks from blocks, decode them and write iterations * valueCount() values into values.
      void decode​(byte[] blocks, int blocksOffset, long[] values, int valuesOffset, int iterations)
      Read 8 * iterations * blockCount() blocks from blocks, decode them and write iterations * valueCount() values into values.
      void decode​(long[] blocks, int blocksOffset, int[] values, int valuesOffset, int iterations)
      Read iterations * blockCount() blocks from blocks, decode them and write iterations * valueCount() values into values.
      void decode​(long[] blocks, int blocksOffset, long[] values, int valuesOffset, int iterations)
      Read iterations * blockCount() blocks from blocks, decode them and write iterations * valueCount() values into values.
      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 Detail

      • 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.

      • decode

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

      • decode

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

      • decode

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

      • decode

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