org.apache.lucene.analysis.ru
Class RussianStemFilter

java.lang.Object
  extended by org.apache.lucene.analysis.TokenStream
      extended by org.apache.lucene.analysis.TokenFilter
          extended by org.apache.lucene.analysis.ru.RussianStemFilter

public final class RussianStemFilter
extends TokenFilter

A filter that stems Russian words. The implementation was inspired by GermanStemFilter. The input should be filtered by RussianLowerCaseFilter before passing it to RussianStemFilter , because RussianStemFilter only works with lowercase part of any "russian" charset.

Version:
$Id: RussianStemFilter.java 564236 2007-08-09 15:21:19Z gsingers $

Field Summary
 
Fields inherited from class org.apache.lucene.analysis.TokenFilter
input
 
Constructor Summary
RussianStemFilter(TokenStream in, char[] charset)
           
 
Method Summary
 Token next()
           
 void setStemmer(org.apache.lucene.analysis.ru.RussianStemmer stemmer)
          Set a alternative/custom RussianStemmer 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

RussianStemFilter

public RussianStemFilter(TokenStream in,
                         char[] charset)
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(org.apache.lucene.analysis.ru.RussianStemmer stemmer)
Set a alternative/custom RussianStemmer for this filter.



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