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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.el.GreekStemFilter
public final class GreekStemFilter
A TokenFilter
that applies GreekStemmer
to stem Greek
words.
To prevent terms from being stemmed use an instance of
KeywordMarkerFilter
or a custom TokenFilter
that sets
the KeywordAttribute
before this TokenStream
.
NOTE: Input is expected to be casefolded for Greek (including folding of final
sigma to sigma), and with diacritics removed. This can be achieved by using
either GreekLowerCaseFilter
or ICUFoldingFilter before GreekStemFilter.
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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GreekStemFilter(org.apache.lucene.analysis.TokenStream input)
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Method Summary | |
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boolean |
incrementToken()
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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, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, 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 GreekStemFilter(org.apache.lucene.analysis.TokenStream input)
Method Detail |
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public boolean incrementToken() throws IOException
incrementToken
in class org.apache.lucene.analysis.TokenStream
IOException
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