Class IntersectionQueryEvaluationStep
- java.lang.Object
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- org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps.IntersectionQueryEvaluationStep
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- All Implemented Interfaces:
QueryEvaluationStep
public class IntersectionQueryEvaluationStep extends java.lang.Object implements QueryEvaluationStep
A step that prepares the arguments of an Intersection operator before execution.
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.QueryEvaluationStep
QueryEvaluationStep.DelayedEvaluationIteration
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Field Summary
Fields Modifier and Type Field Description private QueryEvaluationStep
leftArg
private java.util.function.Function<BindingSet,QueryEvaluationStep.DelayedEvaluationIteration>
rightArgDelayed
private java.util.function.Supplier<java.util.Set<BindingSet>>
setMaker
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Fields inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.QueryEvaluationStep
EMPTY, EMPTY_ITERATION
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Constructor Summary
Constructors Constructor Description IntersectionQueryEvaluationStep(QueryEvaluationStep leftArg, QueryEvaluationStep rightArg, java.util.function.Supplier<java.util.Set<BindingSet>> setMaker)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description CloseableIteration<BindingSet,QueryEvaluationException>
evaluate(BindingSet bs)
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Field Detail
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leftArg
private final QueryEvaluationStep leftArg
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rightArgDelayed
private final java.util.function.Function<BindingSet,QueryEvaluationStep.DelayedEvaluationIteration> rightArgDelayed
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setMaker
private final java.util.function.Supplier<java.util.Set<BindingSet>> setMaker
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Constructor Detail
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IntersectionQueryEvaluationStep
public IntersectionQueryEvaluationStep(QueryEvaluationStep leftArg, QueryEvaluationStep rightArg, java.util.function.Supplier<java.util.Set<BindingSet>> setMaker)
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Method Detail
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evaluate
public CloseableIteration<BindingSet,QueryEvaluationException> evaluate(BindingSet bs)
- Specified by:
evaluate
in interfaceQueryEvaluationStep
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