org.apache.lucene.analysis.ja
Class JapaneseBaseFormFilter
java.lang.Object
org.apache.lucene.util.AttributeSource
org.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.TokenFilter
org.apache.lucene.analysis.ja.JapaneseBaseFormFilter
- All Implemented Interfaces:
- Closeable
public final class JapaneseBaseFormFilter
- extends TokenFilter
Replaces term text with the BaseFormAttribute
.
This acts as a lemmatizer for verbs and adjectives.
To prevent terms from being stemmed use an instance of
KeywordMarkerFilter
or a custom TokenFilter
that sets
the KeywordAttribute
before this TokenStream
.
Methods inherited from class org.apache.lucene.util.AttributeSource |
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState |
JapaneseBaseFormFilter
public JapaneseBaseFormFilter(TokenStream input)
incrementToken
public boolean incrementToken()
throws IOException
- Specified by:
incrementToken
in class TokenStream
- Throws:
IOException
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