org.apache.lucene.analysis.miscellaneous
Class KeywordMarkerFilter

java.lang.Object
  extended by org.apache.lucene.util.AttributeSource
      extended by org.apache.lucene.analysis.TokenStream
          extended by org.apache.lucene.analysis.TokenFilter
              extended by org.apache.lucene.analysis.miscellaneous.KeywordMarkerFilter
All Implemented Interfaces:
Closeable
Direct Known Subclasses:
PatternKeywordMarkerFilter, SetKeywordMarkerFilter

public abstract class KeywordMarkerFilter
extends TokenFilter

Marks terms as keywords via the KeywordAttribute.

See Also:
KeywordAttribute

Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource
AttributeSource.AttributeFactory, AttributeSource.State
 
Field Summary
 
Fields inherited from class org.apache.lucene.analysis.TokenFilter
input
 
Constructor Summary
protected KeywordMarkerFilter(TokenStream in)
          Creates a new KeywordMarkerFilter
 
Method Summary
 boolean incrementToken()
           
protected abstract  boolean isKeyword()
           
 
Methods inherited from class org.apache.lucene.analysis.TokenFilter
close, end, reset
 
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
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

KeywordMarkerFilter

protected KeywordMarkerFilter(TokenStream in)
Creates a new KeywordMarkerFilter

Parameters:
in - the input stream
Method Detail

incrementToken

public final boolean incrementToken()
                             throws IOException
Specified by:
incrementToken in class TokenStream
Throws:
IOException

isKeyword

protected abstract boolean isKeyword()


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