Package org.apache.lucene.tests.analysis
Class MockGraphTokenFilter
- 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.tests.analysis.LookaheadTokenFilter<LookaheadTokenFilter.Position>
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- org.apache.lucene.tests.analysis.MockGraphTokenFilter
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- All Implemented Interfaces:
Closeable
,AutoCloseable
,Unwrappable<TokenStream>
public final class MockGraphTokenFilter extends LookaheadTokenFilter<LookaheadTokenFilter.Position>
Randomly inserts overlapped (posInc=0) tokens with posLength sometimes > 1. The chain must have an OffsetAttribute.
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.lucene.tests.analysis.LookaheadTokenFilter
LookaheadTokenFilter.Position
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Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource
AttributeSource.State
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Field Summary
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Fields inherited from class org.apache.lucene.tests.analysis.LookaheadTokenFilter
end, inputPos, offsetAtt, outputPos, posIncAtt, positions, posLenAtt
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Fields inherited from class org.apache.lucene.analysis.TokenFilter
input
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Fields inherited from class org.apache.lucene.analysis.TokenStream
DEFAULT_TOKEN_ATTRIBUTE_FACTORY
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Constructor Summary
Constructors Constructor Description MockGraphTokenFilter(Random random, TokenStream input)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected void
afterPosition()
This is called when all input tokens leaving a given position have been returned.void
close()
boolean
incrementToken()
protected LookaheadTokenFilter.Position
newPosition()
void
reset()
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Methods inherited from class org.apache.lucene.tests.analysis.LookaheadTokenFilter
insertToken, nextToken, peekToken
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Methods inherited from class org.apache.lucene.analysis.TokenFilter
end, unwrap
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Methods inherited from class org.apache.lucene.util.AttributeSource
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, endAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, removeAllAttributes, restoreState, toString
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Constructor Detail
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MockGraphTokenFilter
public MockGraphTokenFilter(Random random, TokenStream input)
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Method Detail
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newPosition
protected LookaheadTokenFilter.Position newPosition()
- Specified by:
newPosition
in classLookaheadTokenFilter<LookaheadTokenFilter.Position>
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afterPosition
protected void afterPosition() throws IOException
Description copied from class:LookaheadTokenFilter
This is called when all input tokens leaving a given position have been returned. Override this and call insertToken and then set whichever token's attributes you want, if you want to inject a token starting from this position.- Overrides:
afterPosition
in classLookaheadTokenFilter<LookaheadTokenFilter.Position>
- Throws:
IOException
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reset
public void reset() throws IOException
- Overrides:
reset
in classLookaheadTokenFilter<LookaheadTokenFilter.Position>
- Throws:
IOException
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close
public void close() throws IOException
- Specified by:
close
in interfaceAutoCloseable
- Specified by:
close
in interfaceCloseable
- Overrides:
close
in classTokenFilter
- Throws:
IOException
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incrementToken
public boolean incrementToken() throws IOException
- Specified by:
incrementToken
in classTokenStream
- Throws:
IOException
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