org.apache.lucene.analysis.fr
Class FrenchStemFilter

java.lang.Object
  extended by org.apache.lucene.analysis.TokenStream
      extended by org.apache.lucene.analysis.TokenFilter
          extended by org.apache.lucene.analysis.fr.FrenchStemFilter

public final class FrenchStemFilter
extends TokenFilter

A filter that stemms french words. It supports a table of words that should not be stemmed at all. The used stemmer can be changed at runtime after the filter object is created (as long as it is a FrenchStemmer).

Author:
Patrick Talbot (based on Gerhard Schwarz work for German)

Field Summary
 
Fields inherited from class org.apache.lucene.analysis.TokenFilter
input
 
Constructor Summary
FrenchStemFilter(TokenStream in)
           
FrenchStemFilter(TokenStream in, Set exclusiontable)
           
 
Method Summary
 Token next()
           
 void setExclusionTable(Hashtable exclusiontable)
          Set an alternative exclusion list for this filter.
 void setStemmer(FrenchStemmer stemmer)
          Set a alternative/custom FrenchStemmer for this filter.
 
Methods inherited from class org.apache.lucene.analysis.TokenFilter
close
 
Methods inherited from class org.apache.lucene.analysis.TokenStream
next, reset
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FrenchStemFilter

public FrenchStemFilter(TokenStream in)

FrenchStemFilter

public FrenchStemFilter(TokenStream in,
                        Set exclusiontable)
Method Detail

next

public final Token next()
                 throws IOException
Overrides:
next in class TokenStream
Returns:
Returns the next token in the stream, or null at EOS
Throws:
IOException

setStemmer

public void setStemmer(FrenchStemmer stemmer)
Set a alternative/custom FrenchStemmer for this filter.


setExclusionTable

public void setExclusionTable(Hashtable exclusiontable)
Set an alternative exclusion list for this filter.



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