Module org.apache.lucene.join
Package org.apache.lucene.search.join
Class ToParentBlockJoinQuery.BlockJoinWeight
java.lang.Object
org.apache.lucene.search.Weight
org.apache.lucene.search.FilterWeight
org.apache.lucene.search.join.ToParentBlockJoinQuery.BlockJoinWeight
- All Implemented Interfaces:
SegmentCacheable
- Enclosing class:
ToParentBlockJoinQuery
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Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.search.Weight
Weight.DefaultBulkScorer, Weight.DefaultScorerSupplier
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Field Summary
FieldsFields inherited from class org.apache.lucene.search.FilterWeight
in
Fields inherited from class org.apache.lucene.search.Weight
parentQuery
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Constructor Summary
ConstructorsConstructorDescriptionBlockJoinWeight
(Query joinQuery, Weight childWeight, BitSetProducer parentsFilter, ScoreMode scoreMode) -
Method Summary
Modifier and TypeMethodDescriptionexplain
(LeafReaderContext context, int doc) An explanation of the score computation for the named document.matches
(LeafReaderContext context, int doc) ReturnsMatches
for a specific document, ornull
if the document does not match the parent queryscorerSupplier
(LeafReaderContext context) Get aScorerSupplier
, which allows knowing the cost of theScorer
before building it.Methods inherited from class org.apache.lucene.search.FilterWeight
isCacheable
Methods inherited from class org.apache.lucene.search.Weight
bulkScorer, count, getQuery, scorer
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Field Details
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parentsFilter
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scoreMode
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Constructor Details
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BlockJoinWeight
public BlockJoinWeight(Query joinQuery, Weight childWeight, BitSetProducer parentsFilter, ScoreMode scoreMode)
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Method Details
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scorerSupplier
Description copied from class:Weight
Get aScorerSupplier
, which allows knowing the cost of theScorer
before building it. A scorer supplier for the sameLeafReaderContext
instance may be requested multiple times as part of a single search call.Note: It must return null if the scorer is null.
- Overrides:
scorerSupplier
in classFilterWeight
- Parameters:
context
- the leaf reader context- Returns:
- a
ScorerSupplier
providing the scorer, or null if scorer is null - Throws:
IOException
- if an IOException occurs- See Also:
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explain
Description copied from class:Weight
An explanation of the score computation for the named document.- Overrides:
explain
in classFilterWeight
- 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:
IOException
- if anIOException
occurs
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matches
Description copied from class:Weight
ReturnsMatches
for a specific document, ornull
if the document does not match the parent queryA query match that contains no position information (for example, a Point or DocValues query) will return
MatchesUtils.MATCH_WITH_NO_TERMS
- Overrides:
matches
in classFilterWeight
- Parameters:
context
- the reader's context to create theMatches
fordoc
- the document's id relative to the given context's reader- Throws:
IOException
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