Package org.apache.lucene.analysis.miscellaneous

Class KeywordRepeatFilterFactory

java.lang.Object

org.apache.lucene.analysis.AbstractAnalysisFactory

org.apache.lucene.analysis.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 (case-insensitive: if the name is 'htmlStrip', 'htmlstrip' can be used when looking up the service).

"keywordRepeat"

Field Summary

Fields

Modifier and Type	Field	Description
static final String	NAME	SPI name

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

LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion

Constructor Summary

Constructors

Constructor	Description
KeywordRepeatFilterFactory()	Default ctor for compatibility with SPI
KeywordRepeatFilterFactory(Map<String,String> args)	Creates a new KeywordRepeatFilterFactory

Method Summary

Modifier and Type	Method	Description
TokenStream	create(TokenStream input)

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

availableTokenFilters, findSPIName, forName, lookupClass, normalize, reloadTokenFilters

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

defaultCtorException, 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 Details

NAME

public static final String NAME

SPI name

See Also:

• Constant Field Values

Constructor Details

KeywordRepeatFilterFactory

public KeywordRepeatFilterFactory(Map<String,String> args)

Creates a new KeywordRepeatFilterFactory

KeywordRepeatFilterFactory

public KeywordRepeatFilterFactory()

Default ctor for compatibility with SPI

Method Details

create

public TokenStream create(TokenStream input)

Specified by:

create in class TokenFilterFactory