Package org.apache.lucene.analysis
Class LengthFilter
- 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.FilteringTokenFilter
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- org.apache.lucene.analysis.LengthFilter
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- All Implemented Interfaces:
Closeable
,AutoCloseable
public final class LengthFilter extends FilteringTokenFilter
Removes words that are too long or too short from the stream.Note: Length is calculated as the number of UTF-16 code units.
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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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Field Summary
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Fields inherited from class org.apache.lucene.analysis.TokenFilter
input
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Constructor Summary
Constructors Constructor Description LengthFilter(boolean enablePositionIncrements, TokenStream in, int min, int max)
Build a filter that removes words that are too long or too short from the text.LengthFilter(TokenStream in, int min, int max)
Deprecated.UseLengthFilter(boolean, TokenStream, int, int)
instead.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
accept()
Override this method and return if the current input token should be returned byFilteringTokenFilter.incrementToken()
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Methods inherited from class org.apache.lucene.analysis.FilteringTokenFilter
getEnablePositionIncrements, incrementToken, reset, setEnablePositionIncrements
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Methods inherited from class org.apache.lucene.analysis.TokenFilter
close, end
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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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LengthFilter
public LengthFilter(boolean enablePositionIncrements, TokenStream in, int min, int max)
Build a filter that removes words that are too long or too short from the text.
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LengthFilter
@Deprecated public LengthFilter(TokenStream in, int min, int max)
Deprecated.UseLengthFilter(boolean, TokenStream, int, int)
instead.Build a filter that removes words that are too long or too short from the text.
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Method Detail
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accept
public boolean accept() throws IOException
Description copied from class:FilteringTokenFilter
Override this method and return if the current input token should be returned byFilteringTokenFilter.incrementToken()
.- Specified by:
accept
in classFilteringTokenFilter
- Throws:
IOException
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