Class CodepointCountFilter
- java.lang.Object
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- org.apache.lucene.util.AttributeSource
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- org.apache.lucene.analysis.TokenStream
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- org.apache.lucene.analysis.TokenFilter
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- org.apache.lucene.analysis.util.FilteringTokenFilter
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- org.apache.lucene.analysis.miscellaneous.CodepointCountFilter
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- All Implemented Interfaces:
java.io.Closeable
,java.lang.AutoCloseable
public final class CodepointCountFilter extends FilteringTokenFilter
Removes words that are too long or too short from the stream.Note: Length is calculated as the number of Unicode codepoints.
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource
AttributeSource.AttributeFactory, AttributeSource.State
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Constructor Summary
Constructors Constructor Description CodepointCountFilter(Version version, TokenStream in, int min, int max)
Create a newCodepointCountFilter
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
accept()
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Methods inherited from class org.apache.lucene.analysis.util.FilteringTokenFilter
end, getEnablePositionIncrements, incrementToken, reset, setEnablePositionIncrements
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Methods inherited from class org.apache.lucene.analysis.TokenFilter
close
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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, toString
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Constructor Detail
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CodepointCountFilter
public CodepointCountFilter(Version version, TokenStream in, int min, int max)
Create a newCodepointCountFilter
. This will filter out tokens whoseCharTermAttribute
is either too short (Character.codePointCount(char[], int, int)
< min) or too long (Character.codePointCount(char[], int, int)
> max).- Parameters:
version
- the Lucene match versionin
- theTokenStream
to consumemin
- the minimum lengthmax
- the maximum length
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