Package org.elasticsearch.index.codec

Class CodecService

java.lang.Object

org.elasticsearch.index.codec.CodecService

public class CodecService
extends 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 String	BEST_COMPRESSION_CODEC
static String	DEFAULT_CODEC
static 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
String[]	availableCodecs()	Returns all registered available codec names
Codec	codec(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 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(@Nullable
                    MapperService mapperService,
                    org.apache.logging.log4j.Logger logger)

Method Detail

codec

public Codec codec(String name)

availableCodecs

public String[] availableCodecs()

Returns all registered available codec names