Class FunctionMatchQuery
java.lang.Object
org.apache.lucene.search.Query
org.apache.lucene.queries.function.FunctionMatchQuery
A query that retrieves all documents with a
DoubleValues
value matching a predicate
This query works by a linear scan of the index, and is best used in conjunction with other queries that can restrict the number of documents visited
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Constructor Summary
ConstructorDescriptionFunctionMatchQuery
(DoubleValuesSource source, DoublePredicate filter) Create a FunctionMatchQuery with default TwoPhaseIterator matchCost -DEFAULT_MATCH_COST
= 100.0fFunctionMatchQuery
(DoubleValuesSource source, DoublePredicate filter, float matchCost) Create a FunctionMatchQuery -
Method Summary
Modifier and TypeMethodDescriptioncreateWeight
(IndexSearcher searcher, ScoreMode scoreMode, float boost) boolean
int
hashCode()
void
visit
(QueryVisitor visitor) Methods inherited from class org.apache.lucene.search.Query
classHash, rewrite, sameClassAs, toString
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Constructor Details
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FunctionMatchQuery
Create a FunctionMatchQuery with default TwoPhaseIterator matchCost -DEFAULT_MATCH_COST
= 100.0f- Parameters:
source
- aDoubleValuesSource
to use for valuesfilter
- the predicate to match against
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FunctionMatchQuery
Create a FunctionMatchQuery- Parameters:
source
- aDoubleValuesSource
to use for valuesfilter
- the predicate to match againstmatchCost
- to be returned byTwoPhaseIterator.matchCost()
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Method Details
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toString
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visit
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createWeight
public Weight createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost) throws IOException - Overrides:
createWeight
in classQuery
- Throws:
IOException
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equals
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hashCode
public int hashCode()
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