org.apache.lucene.codecs.compressing

Class CompressingCodec

java.lang.Object

org.apache.lucene.codecs.Codec

org.apache.lucene.codecs.FilterCodec

org.apache.lucene.codecs.compressing.CompressingCodec

All Implemented Interfaces:

NamedSPILoader.NamedSPI

Direct Known Subclasses:

DeflateWithPresetCompressingCodec, DummyCompressingCodec, FastCompressingCodec, FastDecompressionCompressingCodec, HighCompressionCompressingCodec, LZ4WithPresetCompressingCodec

public abstract class CompressingCodec
extends FilterCodec

A codec that uses CompressingStoredFieldsFormat for its stored fields and delegates to the default codec for everything else.

Field Summary

Fields inherited from class org.apache.lucene.codecs.FilterCodec

delegate

Constructor Summary

Constructors

Constructor and Description
CompressingCodec(String name, CompressionMode compressionMode, int chunkSize, int maxDocsPerChunk, int blockSize) Creates a compressing codec with an empty segment suffix
CompressingCodec(String name, String segmentSuffix, CompressionMode compressionMode, int chunkSize, int maxDocsPerChunk, int blockShift) Creates a compressing codec with a given segment suffix

Method Summary

Modifier and Type	Method and Description
static CompressingCodec	randomInstance(Random random) Creates a random CompressingCodec that is using an empty segment suffix
static CompressingCodec	randomInstance(Random random, boolean withSegmentSuffix) Creates a random CompressingCodec that is using a segment suffix
static CompressingCodec	randomInstance(Random random, int chunkSize, int maxDocsPerChunk, boolean withSegmentSuffix, int blockShift) Create a random instance.
static CompressingCodec	reasonableInstance(Random random) Creates a random CompressingCodec with more reasonable parameters for big tests.
StoredFieldsFormat	storedFieldsFormat()
TermVectorsFormat	termVectorsFormat()
String	toString()

Methods inherited from class org.apache.lucene.codecs.FilterCodec

compoundFormat, docValuesFormat, fieldInfosFormat, liveDocsFormat, normsFormat, pointsFormat, postingsFormat, segmentInfoFormat

Methods inherited from class org.apache.lucene.codecs.Codec

availableCodecs, forName, getDefault, getName, reloadCodecs, setDefault

Methods inherited from class java.lang.Object

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

Constructor Detail

CompressingCodec

public CompressingCodec(String name,
                        String segmentSuffix,
                        CompressionMode compressionMode,
                        int chunkSize,
                        int maxDocsPerChunk,
                        int blockShift)

Creates a compressing codec with a given segment suffix

CompressingCodec

public CompressingCodec(String name,
                        CompressionMode compressionMode,
                        int chunkSize,
                        int maxDocsPerChunk,
                        int blockSize)

Creates a compressing codec with an empty segment suffix

Method Detail

randomInstance

public static CompressingCodec randomInstance(Random random,
                                              int chunkSize,
                                              int maxDocsPerChunk,
                                              boolean withSegmentSuffix,
                                              int blockShift)

Create a random instance.

randomInstance

public static CompressingCodec randomInstance(Random random)

Creates a random CompressingCodec that is using an empty segment suffix

reasonableInstance

public static CompressingCodec reasonableInstance(Random random)

Creates a random CompressingCodec with more reasonable parameters for big tests.

randomInstance

public static CompressingCodec randomInstance(Random random,
                                              boolean withSegmentSuffix)

Creates a random CompressingCodec that is using a segment suffix

storedFieldsFormat

public StoredFieldsFormat storedFieldsFormat()

Overrides:

storedFieldsFormat in class FilterCodec

termVectorsFormat

public TermVectorsFormat termVectorsFormat()

Overrides:

termVectorsFormat in class FilterCodec

toString

public String toString()

Overrides:

toString in class Codec