Module org.apache.lucene.backward_codecs

Package org.apache.lucene.backward_codecs.lucene87

Class LZ4WithPresetDictCompressionMode

java.lang.Object

org.apache.lucene.backward_codecs.compressing.CompressionMode

org.apache.lucene.backward_codecs.lucene87.LZ4WithPresetDictCompressionMode

public final class LZ4WithPresetDictCompressionMode
extends CompressionMode

A compression mode that compromises on the compression ratio to provide fast compression and decompression.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	LZ4WithPresetDictCompressionMode.LZ4WithPresetDictCompressor
private static final class	LZ4WithPresetDictCompressionMode.LZ4WithPresetDictDecompressor

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	DICT_SIZE_FACTOR
private static final int	NUM_SUB_BLOCKS

Fields inherited from class org.apache.lucene.backward_codecs.compressing.CompressionMode

FAST, FAST_DECOMPRESSION, HIGH_COMPRESSION

Constructor Summary

Constructors

Constructor	Description
LZ4WithPresetDictCompressionMode()	Sole constructor.

Method Summary

Modifier and Type	Method	Description
Compressor	newCompressor()	Create a new Compressor instance.
Decompressor	newDecompressor()	Create a new Decompressor instance.
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

NUM_SUB_BLOCKS

private static final int NUM_SUB_BLOCKS

See Also:

• Constant Field Values

DICT_SIZE_FACTOR

private static final int DICT_SIZE_FACTOR

See Also:

• Constant Field Values

Constructor Details

LZ4WithPresetDictCompressionMode

public LZ4WithPresetDictCompressionMode()

Sole constructor.

Method Details

newCompressor

public Compressor newCompressor()

Description copied from class: CompressionMode

Create a new Compressor instance.

Specified by:

newCompressor in class CompressionMode

newDecompressor

public Decompressor newDecompressor()

Description copied from class: CompressionMode

Create a new Decompressor instance.

Specified by:

newDecompressor in class CompressionMode

toString

public String toString()

Overrides:

toString in class Object