org.apache.lucene.analysis.ru

Class RussianStemFilter

java.lang.Object

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.TokenFilter

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 687357 2008-08-20 14:38:07Z mikemccand $

Field Summary

Fields inherited from class org.apache.lucene.analysis.TokenFilter

input

Constructor Summary

Constructors

Constructor and Description
RussianStemFilter(TokenStream in, char[] charset)

Method Summary

Methods

Modifier and Type	Method and Description
Token	next(Token reusableToken)
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, reset

Methods inherited from class org.apache.lucene.analysis.TokenStream

next

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(Token reusableToken)
                 throws java.io.IOException

Overrides:

next in class TokenStream

Returns:

Returns the next token in the stream, or null at EOS

Throws:

java.io.IOException

setStemmer

public void setStemmer(org.apache.lucene.analysis.ru.RussianStemmer stemmer)

Set a alternative/custom RussianStemmer for this filter.