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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
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.
Nested Class Summary |
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Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource |
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org.apache.lucene.util.AttributeSource.AttributeFactory, org.apache.lucene.util.AttributeSource.State |
Field Summary |
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Fields inherited from class org.apache.lucene.analysis.TokenFilter |
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input |
Constructor Summary | |
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RussianStemFilter(org.apache.lucene.analysis.TokenStream in)
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Method Summary | |
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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.analysis.TokenFilter |
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close, end, reset |
Methods inherited from class org.apache.lucene.util.AttributeSource |
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addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, restoreState, toString |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public RussianStemFilter(org.apache.lucene.analysis.TokenStream in)
Method Detail |
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public final boolean incrementToken() throws IOException
incrementToken
in class org.apache.lucene.analysis.TokenStream
IOException
public void setStemmer(org.apache.lucene.analysis.ru.RussianStemmer stemmer)
RussianStemmer
for this filter.
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