Class PayloadScoreQuery.PayloadSpanWeight
java.lang.Object
org.apache.lucene.search.Weight
org.apache.lucene.queries.spans.SpanWeight
org.apache.lucene.queries.payloads.PayloadScoreQuery.PayloadSpanWeight
- All Implemented Interfaces:
SegmentCacheable
- Enclosing class:
- PayloadScoreQuery
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Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.queries.spans.SpanWeight
SpanWeight.Postings
Nested classes/interfaces inherited from class org.apache.lucene.search.Weight
Weight.DefaultBulkScorer
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Field Summary
FieldsFields inherited from class org.apache.lucene.queries.spans.SpanWeight
field, similarity, simScorer
Fields inherited from class org.apache.lucene.search.Weight
parentQuery
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Constructor Summary
ConstructorsConstructorDescriptionPayloadSpanWeight
(IndexSearcher searcher, SpanWeight innerWeight, float boost) -
Method Summary
Modifier and TypeMethodDescriptionexplain
(LeafReaderContext context, int doc) An explanation of the score computation for the named document.void
extractTermStates
(Map<Term, TermStates> contexts) Collect all TermStates used by this WeightgetSpans
(LeafReaderContext ctx, SpanWeight.Postings requiredPostings) Expert: Return a Spans object iterating over matches from this Weightboolean
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.queries.spans.SpanWeight
getSimScorer, matches
Methods inherited from class org.apache.lucene.search.Weight
bulkScorer, count, getQuery, scorerSupplier
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Field Details
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innerWeight
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Constructor Details
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PayloadSpanWeight
public PayloadSpanWeight(IndexSearcher searcher, SpanWeight innerWeight, float boost) throws IOException - Throws:
IOException
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Method Details
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extractTermStates
Description copied from class:SpanWeight
Collect all TermStates used by this Weight- Specified by:
extractTermStates
in classSpanWeight
- Parameters:
contexts
- a map to add the TermStates to
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getSpans
public Spans getSpans(LeafReaderContext ctx, SpanWeight.Postings requiredPostings) throws IOException Description copied from class:SpanWeight
Expert: Return a Spans object iterating over matches from this Weight- Specified by:
getSpans
in classSpanWeight
- Parameters:
ctx
- a LeafReaderContext for this Spans- Returns:
- a Spans
- Throws:
IOException
- on error
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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 classSpanWeight
- Parameters:
context
- 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
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isCacheable
- Returns:
true
if the object can be cached against a given leaf
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explain
Description copied from class:Weight
An explanation of the score computation for the named document.- Overrides:
explain
in classSpanWeight
- 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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