org.apache.lucene.analysis.miscellaneous
Class KeepWordFilter
java.lang.Object
org.apache.lucene.util.AttributeSource
org.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.TokenFilter
org.apache.lucene.analysis.util.FilteringTokenFilter
org.apache.lucene.analysis.miscellaneous.KeepWordFilter
- All Implemented Interfaces:
- Closeable
public final class KeepWordFilter
- extends FilteringTokenFilter
A TokenFilter that only keeps tokens with text contained in the
required words. This filter behaves like the inverse of StopFilter.
- Since:
- solr 1.3
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 |
KeepWordFilter
@Deprecated
public KeepWordFilter(Version version,
boolean enablePositionIncrements,
TokenStream in,
CharArraySet words)
- Deprecated. enablePositionIncrements=false is not supported anymore as of Lucene 4.4.
KeepWordFilter
public KeepWordFilter(Version version,
TokenStream in,
CharArraySet words)
- Create a new
KeepWordFilter
.
NOTE: The words set passed to this constructor will be directly
used by this filter and should not be modified.
- Parameters:
version
- the Lucene match versionin
- the TokenStream
to consumewords
- the words to keep
accept
public boolean accept()
- Description copied from class:
FilteringTokenFilter
- Override this method and return if the current input token should be returned by
FilteringTokenFilter.incrementToken()
.
- Specified by:
accept
in class FilteringTokenFilter
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