Package org.elasticsearch.index.codec

Class CodecService

java.lang.Object

org.elasticsearch.index.codec.CodecService

public class CodecService
extends java.lang.Object

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	Description
static java.lang.String	BEST_COMPRESSION_CODEC
static java.lang.String	DEFAULT_CODEC
static java.lang.String	LUCENE_DEFAULT_CODEC	the raw unfiltered lucene default.

Constructor Summary

Constructors

Constructor	Description
CodecService(MapperService mapperService, org.apache.logging.log4j.Logger logger)

Method Summary

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

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 java.lang.String DEFAULT_CODEC

See Also:

Constant Field Values

BEST_COMPRESSION_CODEC

public static final java.lang.String BEST_COMPRESSION_CODEC

See Also:

Constant Field Values

LUCENE_DEFAULT_CODEC

public static final java.lang.String LUCENE_DEFAULT_CODEC

the raw unfiltered lucene default. useful for testing

See Also:

Constant Field Values

Constructor Detail

CodecService

public CodecService(@Nullable
                    MapperService mapperService,
                    org.apache.logging.log4j.Logger logger)

Method Detail

codec

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

availableCodecs

public java.lang.String[] availableCodecs()

Returns all registered available codec names