org.elasticsearch.index.codec

Class CodecService

java.lang.Object

org.elasticsearch.index.AbstractIndexComponent

org.elasticsearch.index.codec.CodecService

All Implemented Interfaces:

IndexComponent

public class CodecService
extends AbstractIndexComponent

Since Lucene 4.0 low level index segments are read and written through a codec layer that allows to use use-case specific file formats & data-structures per field. Elasticsearch exposes the full Codec capabilities through this CodecService.

Field Summary

Fields

Modifier and Type	Field and Description
static String	BEST_COMPRESSION_CODEC
static String	DEFAULT_CODEC
static String	LUCENE_DEFAULT_CODEC the raw unfiltered lucene default.

Fields inherited from class org.elasticsearch.index.AbstractIndexComponent

deprecationLogger, index, indexSettings, logger

Constructor Summary

Constructors

Constructor and Description
CodecService(Index index)
CodecService(Index index, IndexSettingsService indexSettingsService, MapperService mapperService)
CodecService(Index index, Settings indexSettings)

Method Summary

Methods

Modifier and Type	Method and Description
String[]	availableCodecs() Returns all registered available codec names
org.apache.lucene.codecs.Codec	codec(String name)
MapperService	mapperService()

Methods inherited from class org.elasticsearch.index.AbstractIndexComponent

index, indexSettings

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_CODEC

public static final String DEFAULT_CODEC

See Also:

Constant Field Values

BEST_COMPRESSION_CODEC

public static final String BEST_COMPRESSION_CODEC

See Also:

Constant Field Values

LUCENE_DEFAULT_CODEC

public static final String LUCENE_DEFAULT_CODEC

the raw unfiltered lucene default. useful for testing

See Also:

Constant Field Values

Constructor Detail

CodecService

public CodecService(Index index)

CodecService

public CodecService(Index index,
            Settings indexSettings)

CodecService

@Inject
public CodecService(Index index,
                   IndexSettingsService indexSettingsService,
                   MapperService mapperService)

Method Detail

mapperService

public MapperService mapperService()

codec

public org.apache.lucene.codecs.Codec codec(String name)

availableCodecs

public String[] availableCodecs()

Returns all registered available codec names