Class PatternKeywordMarkerFilter
- java.lang.Object
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- org.apache.lucene.util.AttributeSource
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- org.apache.lucene.analysis.TokenStream
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- org.apache.lucene.analysis.TokenFilter
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- org.apache.lucene.analysis.miscellaneous.KeywordMarkerFilter
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- org.apache.lucene.analysis.miscellaneous.PatternKeywordMarkerFilter
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- All Implemented Interfaces:
Closeable,AutoCloseable,Unwrappable<TokenStream>
public final class PatternKeywordMarkerFilter extends KeywordMarkerFilter
Marks terms as keywords via theKeywordAttribute. Each token that matches the provided pattern is marked as a keyword by settingKeywordAttribute.setKeyword(boolean)totrue.
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource
AttributeSource.State
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Field Summary
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Fields inherited from class org.apache.lucene.analysis.TokenFilter
input
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Fields inherited from class org.apache.lucene.analysis.TokenStream
DEFAULT_TOKEN_ATTRIBUTE_FACTORY
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Constructor Summary
Constructors Constructor Description PatternKeywordMarkerFilter(TokenStream in, Pattern pattern)Create a newPatternKeywordMarkerFilter, that marks the current token as a keyword if the tokens term buffer matches the providedPatternvia theKeywordAttribute.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected booleanisKeyword()-
Methods inherited from class org.apache.lucene.analysis.miscellaneous.KeywordMarkerFilter
incrementToken
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Methods inherited from class org.apache.lucene.analysis.TokenFilter
close, end, reset, unwrap
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Methods inherited from class org.apache.lucene.util.AttributeSource
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, endAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, removeAllAttributes, restoreState, toString
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Constructor Detail
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PatternKeywordMarkerFilter
public PatternKeywordMarkerFilter(TokenStream in, Pattern pattern)
Create a newPatternKeywordMarkerFilter, that marks the current token as a keyword if the tokens term buffer matches the providedPatternvia theKeywordAttribute.- Parameters:
in- TokenStream to filterpattern- the pattern to apply to the incoming term buffer
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Method Detail
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isKeyword
protected boolean isKeyword()
- Specified by:
isKeywordin classKeywordMarkerFilter
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