org.apache.lucene.analysis.miscellaneous
Class PatternKeywordMarkerFilter
java.lang.Object
org.apache.lucene.util.AttributeSource
org.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.TokenFilter
org.apache.lucene.analysis.miscellaneous.KeywordMarkerFilter
org.apache.lucene.analysis.miscellaneous.PatternKeywordMarkerFilter
- All Implemented Interfaces:
- Closeable
public final class PatternKeywordMarkerFilter
- extends KeywordMarkerFilter
Marks terms as keywords via the KeywordAttribute
. Each token
that matches the provided pattern is marked as a keyword by setting
KeywordAttribute.setKeyword(boolean)
to true
.
Methods inherited from class org.apache.lucene.util.AttributeSource |
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState, toString |
PatternKeywordMarkerFilter
public PatternKeywordMarkerFilter(TokenStream in,
Pattern pattern)
- Create a new
PatternKeywordMarkerFilter
, that marks the current
token as a keyword if the tokens term buffer matches the provided
Pattern
via the KeywordAttribute
.
- Parameters:
in
- TokenStream to filterpattern
- the pattern to apply to the incoming term buffer
isKeyword
protected boolean isKeyword()
- Specified by:
isKeyword
in class KeywordMarkerFilter
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