org.apache.lucene.analysis.snowball
Class SnowballFilter
java.lang.Object
org.apache.lucene.util.AttributeSource
org.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.TokenFilter
org.apache.lucene.analysis.snowball.SnowballFilter
public class SnowballFilter
- extends org.apache.lucene.analysis.TokenFilter
A filter that stems words using a Snowball-generated stemmer.
Available stemmers are listed in org.tartarus.snowball.ext
.
Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource |
org.apache.lucene.util.AttributeSource.AttributeFactory, org.apache.lucene.util.AttributeSource.State |
Fields inherited from class org.apache.lucene.analysis.TokenFilter |
input |
Method Summary |
boolean |
incrementToken()
Returns the next input Token, after being stemmed |
org.apache.lucene.analysis.Token |
next()
Deprecated. Will be removed in Lucene 3.0. This method is final, as it should
not be overridden. Delegates to the backwards compatibility layer. |
org.apache.lucene.analysis.Token |
next(org.apache.lucene.analysis.Token reusableToken)
Deprecated. Will be removed in Lucene 3.0. This method is final, as it should
not be overridden. Delegates to the backwards compatibility layer. |
Methods inherited from class org.apache.lucene.analysis.TokenFilter |
close, end, reset |
Methods inherited from class org.apache.lucene.analysis.TokenStream |
getOnlyUseNewAPI, setOnlyUseNewAPI |
Methods inherited from class org.apache.lucene.util.AttributeSource |
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, restoreState, toString |
SnowballFilter
public SnowballFilter(org.apache.lucene.analysis.TokenStream input,
SnowballProgram stemmer)
SnowballFilter
public SnowballFilter(org.apache.lucene.analysis.TokenStream in,
String name)
- Construct the named stemming filter.
Available stemmers are listed in
org.tartarus.snowball.ext
.
The name of a stemmer is the part of the class name before "Stemmer",
e.g., the stemmer in EnglishStemmer
is named "English".
- Parameters:
in
- the input tokens to stemname
- the name of a stemmer
incrementToken
public final boolean incrementToken()
throws IOException
- Returns the next input Token, after being stemmed
- Overrides:
incrementToken
in class org.apache.lucene.analysis.TokenStream
- Throws:
IOException
next
public final org.apache.lucene.analysis.Token next(org.apache.lucene.analysis.Token reusableToken)
throws IOException
- Deprecated. Will be removed in Lucene 3.0. This method is final, as it should
not be overridden. Delegates to the backwards compatibility layer.
- Overrides:
next
in class org.apache.lucene.analysis.TokenStream
- Throws:
IOException
next
public final org.apache.lucene.analysis.Token next()
throws IOException
- Deprecated. Will be removed in Lucene 3.0. This method is final, as it should
not be overridden. Delegates to the backwards compatibility layer.
- Overrides:
next
in class org.apache.lucene.analysis.TokenStream
- Throws:
IOException
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