Class FixedShingleFilterFactory
java.lang.Object
org.apache.lucene.analysis.AbstractAnalysisFactory
org.apache.lucene.analysis.TokenFilterFactory
org.apache.lucene.analysis.shingle.FixedShingleFilterFactory
Factory for
FixedShingleFilter
Parameters are:
- shingleSize - how many tokens should be combined into each shingle (default: 2)
- tokenSeparator - how tokens should be joined together in the shingle (default: space)
- fillerToken - what should be added in place of stop words (default: _ )
- Since:
- 7.4.0
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate final String
static final String
SPI nameprivate final int
private final String
Fields inherited from class org.apache.lucene.analysis.AbstractAnalysisFactory
LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion
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Constructor Summary
ConstructorsConstructorDescriptionDefault ctor for compatibility with SPIFixedShingleFilterFactory
(Map<String, String> args) -
Method Summary
Modifier and TypeMethodDescriptioncreate
(TokenStream input) Transform the specified input TokenStreamMethods 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
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Field Details
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NAME
SPI name- See Also:
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shingleSize
private final int shingleSize -
tokenSeparator
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fillerToken
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Constructor Details
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FixedShingleFilterFactory
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FixedShingleFilterFactory
public FixedShingleFilterFactory()Default ctor for compatibility with SPI
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Method Details
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create
Description copied from class:TokenFilterFactory
Transform the specified input TokenStream- Specified by:
create
in classTokenFilterFactory
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