Package org.apache.lucene.codecs.lucene87

Class LZ4WithPresetDictCompressionMode.LZ4WithPresetDictDecompressor

java.lang.Object

org.apache.lucene.codecs.compressing.Decompressor

org.apache.lucene.codecs.lucene87.LZ4WithPresetDictCompressionMode.LZ4WithPresetDictDecompressor

All Implemented Interfaces:

Cloneable

Enclosing class:

LZ4WithPresetDictCompressionMode

private static final class LZ4WithPresetDictCompressionMode.LZ4WithPresetDictDecompressor
extends Decompressor

Field Summary

Fields

Modifier and Type	Field	Description
private byte[]	buffer
private int[]	compressedLengths

Constructor Summary

Constructors

Constructor	Description
LZ4WithPresetDictDecompressor()

Method Summary

Modifier and Type	Method	Description
Decompressor	clone()
void	decompress(DataInput in, int originalLength, int offset, int length, BytesRef bytes)	Decompress bytes that were stored between offsets offset and offset+length in the original stream from the compressed stream in to bytes.
private int	readCompressedLengths(DataInput in, int originalLength, int dictLength, int blockLength)

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

compressedLengths

private int[] compressedLengths

buffer

private byte[] buffer

Constructor Details

LZ4WithPresetDictDecompressor

LZ4WithPresetDictDecompressor()

Method Details

readCompressedLengths

private int readCompressedLengths(DataInput in,
 int originalLength,
 int dictLength,
 int blockLength)
                           throws IOException

Throws:

IOException

decompress

public void decompress(DataInput in,
 int originalLength,
 int offset,
 int length,
 BytesRef bytes)
                throws IOException

Description copied from class: Decompressor

Decompress bytes that were stored between offsets offset and offset+length in the original stream from the compressed stream in to bytes. After returning, the length of bytes (bytes.length) must be equal to length. Implementations of this method are free to resize bytes depending on their needs.

Specified by:

decompress in class Decompressor

Parameters:

in - the input that stores the compressed stream

originalLength - the length of the original data (before compression)

offset - bytes before this offset do not need to be decompressed

length - bytes after offset+length do not need to be decompressed

bytes - a BytesRef where to store the decompressed data

Throws:

IOException

clone

public Decompressor clone()

Specified by:

clone in class Decompressor