org.apache.lucene.analysis.fr

Class 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

close, next

Constructor Details

FrenchStemFilter

public FrenchStemFilter(TokenStream in)

FrenchStemFilter

public FrenchStemFilter(TokenStream in,
                        Set exclusiontable)

Method Details

next

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

setExclusionTable

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

setStemmer

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

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