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

Enclosing class:

PackedInts

public static interface PackedInts.Encoder

An encoder 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	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 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.

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