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
- All Implemented Interfaces:
- Closeable
public final class RussianStemFilter
- extends TokenFilter
A TokenFilter
that stems Russian words.
The implementation was inspired by GermanStemFilter.
The input should be filtered by LowerCaseFilter
before passing it to RussianStemFilter ,
because RussianStemFilter only works with lowercase characters.
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)
incrementToken
public final boolean incrementToken()
throws IOException
- Returns the next token in the stream, or null at EOS
- Specified by:
incrementToken
in class TokenStream
- Returns:
- false for end of stream; true otherwise
- 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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