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java.lang.Objectorg.apache.lucene.util.AttributeSource
org.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.TokenFilter
org.apache.solr.analysis.CommonGramsQueryFilter
public final class CommonGramsQueryFilter
Wrap a CommonGramsFilter optimizing phrase queries by only returning single words when they are not a member of a bigram. Example:
Nested Class Summary |
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Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource |
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org.apache.lucene.util.AttributeSource.AttributeFactory, org.apache.lucene.util.AttributeSource.State |
Field Summary |
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Fields inherited from class org.apache.lucene.analysis.TokenFilter |
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input |
Constructor Summary | |
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CommonGramsQueryFilter(CommonGramsFilter input)
Constructs a new CommonGramsQueryFilter based on the provided CommomGramsFilter |
Method Summary | |
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boolean |
incrementToken()
Output bigrams whenever possible to optimize queries. |
boolean |
isGramType()
Convenience method to check if the current type is a gram type |
void |
reset()
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Methods inherited from class org.apache.lucene.analysis.TokenFilter |
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close, end |
Methods inherited from class org.apache.lucene.util.AttributeSource |
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addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState, toString |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public CommonGramsQueryFilter(CommonGramsFilter input)
input
- CommonGramsFilter the QueryFilter will useMethod Detail |
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public void reset() throws IOException
reset
in class org.apache.lucene.analysis.TokenFilter
IOException
public boolean incrementToken() throws IOException
incrementToken
in class org.apache.lucene.analysis.TokenStream
IOException
public boolean isGramType()
true
if the current type is a gram type, false
otherwise
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