Module org.apache.lucene.join
Package org.apache.lucene.search.join
Class ToChildBlockJoinQuery.ToChildBlockJoinWeight
java.lang.Object
org.apache.lucene.search.Weight
org.apache.lucene.search.FilterWeight
org.apache.lucene.search.join.ToChildBlockJoinQuery.ToChildBlockJoinWeight
- All Implemented Interfaces:
SegmentCacheable
- Enclosing class:
ToChildBlockJoinQuery
-
Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.search.Weight
Weight.DefaultBulkScorer
-
Field Summary
FieldsFields inherited from class org.apache.lucene.search.FilterWeight
in
Fields inherited from class org.apache.lucene.search.Weight
parentQuery
-
Constructor Summary
ConstructorsConstructorDescriptionToChildBlockJoinWeight
(Query joinQuery, Weight parentWeight, BitSetProducer parentsFilter, boolean doScores) -
Method Summary
Modifier and TypeMethodDescriptionexplain
(LeafReaderContext context, int doc) An explanation of the score computation for the named document.scorer
(LeafReaderContext readerContext) Returns aScorer
which can iterate in order over all matching documents and assign them a score.Methods inherited from class org.apache.lucene.search.FilterWeight
isCacheable, matches
Methods inherited from class org.apache.lucene.search.Weight
bulkScorer, count, getQuery, scorerSupplier
-
Field Details
-
parentsFilter
-
doScores
private final boolean doScores
-
-
Constructor Details
-
ToChildBlockJoinWeight
public ToChildBlockJoinWeight(Query joinQuery, Weight parentWeight, BitSetProducer parentsFilter, boolean doScores)
-
-
Method Details
-
scorer
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.- Overrides:
scorer
in classFilterWeight
- Parameters:
readerContext
- theLeafReaderContext
for which to return theScorer
.- Returns:
- a
Scorer
which scores documents in/out-of order. - Throws:
IOException
- if there is a low-level I/O error
-
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
-