org.apache.lucene.analysis.miscellaneous

Class KeywordRepeatFilterFactory

java.lang.Object

org.apache.lucene.analysis.util.AbstractAnalysisFactory

org.apache.lucene.analysis.util.TokenFilterFactory

org.apache.lucene.analysis.miscellaneous.KeywordRepeatFilterFactory

public final class KeywordRepeatFilterFactory
extends TokenFilterFactory

Factory for KeywordRepeatFilter. Since KeywordRepeatFilter emits two tokens for every input token, and any tokens that aren't transformed later in the analysis chain will be in the document twice. Therefore, consider adding RemoveDuplicatesTokenFilterFactory later in the analysis chain.

Since:

4.3.0

SPI Name (Note: This is case-insensitive. e.g., if the name is 'htmlStrip', 'htmlstrip' can be used when looking up the service):

"keywordRepeat"

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME SPI name

Fields inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory

LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion

Constructor Summary

Constructors

Constructor and Description
KeywordRepeatFilterFactory(Map<String,String> args) Creates a new KeywordRepeatFilterFactory

Method Summary

Modifier and Type	Method and Description
TokenStream	create(TokenStream input) Transform the specified input TokenStream

Methods inherited from class org.apache.lucene.analysis.util.TokenFilterFactory

availableTokenFilters, findSPIName, forName, lookupClass, normalize, reloadTokenFilters

Methods inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory

get, get, get, get, get, getBoolean, getChar, getClassArg, getFloat, getInt, getLines, getLuceneMatchVersion, getOriginalArgs, getPattern, getSet, getSnowballWordSet, getWordSet, isExplicitLuceneMatchVersion, require, require, require, requireBoolean, requireChar, requireFloat, requireInt, setExplicitLuceneMatchVersion, splitAt, splitFileNames

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

SPI name

See Also:

Constant Field Values

Constructor Detail

KeywordRepeatFilterFactory

public KeywordRepeatFilterFactory(Map<String,String> args)

Creates a new KeywordRepeatFilterFactory

Method Detail

create

public TokenStream create(TokenStream input)

Description copied from class: TokenFilterFactory

Transform the specified input TokenStream

Specified by:

create in class TokenFilterFactory