org.apache.lucene.analysis.miscellaneous
Class StemmerOverrideFilter

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.StemmerOverrideFilter
All Implemented Interfaces:
Closeable

public final class StemmerOverrideFilter
extends TokenFilter

Provides the ability to override any KeywordAttribute aware stemmer with custom dictionary-based stemming.


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
StemmerOverrideFilter(TokenStream input, CharArrayMap<String> dictionary)
          Create a new StemmerOverrideFilter, performing dictionary-based stemming with the provided dictionary.
 
Method Summary
 boolean incrementToken()
           
 
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

StemmerOverrideFilter

public StemmerOverrideFilter(TokenStream input,
                             CharArrayMap<String> dictionary)
Create a new StemmerOverrideFilter, performing dictionary-based stemming with the provided dictionary.

Any dictionary-stemmed terms will be marked with KeywordAttribute so that they will not be stemmed with stemmers down the chain.

Method Detail

incrementToken

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


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