org.apache.lucene.analysis.ru
Class RussianStemFilter
java.lang.Object
org.apache.lucene.util.AttributeSource
org.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.TokenFilter
org.apache.lucene.analysis.ru.RussianStemFilter
public final class RussianStemFilter
- extends TokenFilter
A TokenFilter
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 808427 2009-08-27 14:28:22Z hossman $
Method Summary |
boolean |
incrementToken()
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.util.AttributeSource |
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, restoreState, toString |
RussianStemFilter
public RussianStemFilter(TokenStream in,
char[] charset)
- Deprecated. Use
RussianStemFilter(TokenStream)
instead.
RussianStemFilter
public RussianStemFilter(TokenStream in)
incrementToken
public final boolean incrementToken()
throws IOException
- Returns the next token in the stream, or null at EOS
- Overrides:
incrementToken
in class TokenStream
- Returns:
- false for end of stream; true otherwise
Note that this method will be defined abstract in Lucene
3.0.
- 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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