Package org.apache.lucene.search.join
Class GlobalOrdinalsQuery.W
- java.lang.Object
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- org.apache.lucene.search.Weight
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- org.apache.lucene.search.ConstantScoreWeight
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- org.apache.lucene.search.join.GlobalOrdinalsQuery.W
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- All Implemented Interfaces:
SegmentCacheable
- Enclosing class:
- GlobalOrdinalsQuery
final class GlobalOrdinalsQuery.W extends ConstantScoreWeight
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.lucene.search.Weight
Weight.DefaultBulkScorer, Weight.StartDISIWrapper
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Field Summary
Fields Modifier and Type Field Description private Weight
approximationWeight
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Fields inherited from class org.apache.lucene.search.Weight
parentQuery
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Explanation
explain(LeafReaderContext context, int doc)
An explanation of the score computation for the named document.boolean
isCacheable(LeafReaderContext ctx)
Scorer
scorer(LeafReaderContext context)
Returns aScorer
which can iterate in order over all matching documents and assign them a score.-
Methods inherited from class org.apache.lucene.search.ConstantScoreWeight
extractTerms, score
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Methods inherited from class org.apache.lucene.search.Weight
bulkScorer, getQuery, matches, scorerSupplier
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Field Detail
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approximationWeight
private final Weight approximationWeight
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Method Detail
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explain
public Explanation explain(LeafReaderContext context, int doc) throws java.io.IOException
Description copied from class:Weight
An explanation of the score computation for the named document.- Overrides:
explain
in classConstantScoreWeight
- Parameters:
context
- the readers context to create theExplanation
for.doc
- the document's id relative to the given context's reader- Returns:
- an Explanation for the score
- Throws:
java.io.IOException
- if anIOException
occurs
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scorer
public Scorer scorer(LeafReaderContext context) throws java.io.IOException
Description copied from class:Weight
Returns aScorer
which can iterate in order over all matching documents and assign them a score.NOTE: null can be returned if no documents will be scored by this query.
NOTE: The returned
Scorer
does not haveLeafReader.getLiveDocs()
applied, they need to be checked on top.- Specified by:
scorer
in classWeight
- Parameters:
context
- theLeafReaderContext
for which to return theScorer
.- Returns:
- a
Scorer
which scores documents in/out-of order. - Throws:
java.io.IOException
- if there is a low-level I/O error
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isCacheable
public boolean isCacheable(LeafReaderContext ctx)
- Returns:
true
if the object can be cached against a given leaf
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