org.apache.lucene.analysis.ru
Class RussianStemFilter

java.lang.Object
  extended byorg.apache.lucene.analysis.TokenStream
      extended byorg.apache.lucene.analysis.TokenFilter
          extended byorg.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 472959 2006-11-09 16:21:50Z yonik $
Author:
Boris Okner, b.okner@rogers.com

Field Summary
 
Fields inherited from class org.apache.lucene.analysis.TokenFilter
input
 
Constructor Summary
RussianStemFilter(TokenStream in, char[] charset)
           
 
Method Summary
 Token next()
          Returns the next token in the stream, or null at EOS.
 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 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
Description copied from class: TokenStream
Returns the next token in the stream, or null at EOS.

Specified by:
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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