org.apache.lucene.util.packed
Interface PackedInts.Decoder

Enclosing class:
PackedInts

public static interface PackedInts.Decoder

A decoder for packed integers.


Method Summary
 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


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