Class JoinQueryEvaluationStep
- java.lang.Object
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- org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps.JoinQueryEvaluationStep
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- All Implemented Interfaces:
QueryEvaluationStep
public class JoinQueryEvaluationStep extends java.lang.Object implements QueryEvaluationStep
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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 java.util.function.Function<BindingSet,CloseableIteration<BindingSet,QueryEvaluationException>>
eval
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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 JoinQueryEvaluationStep(EvaluationStrategy strategy, Join join, QueryEvaluationContext context)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description CloseableIteration<BindingSet,QueryEvaluationException>
evaluate(BindingSet bindings)
private static boolean
isOutOfScopeForLeftArgBindings(TupleExpr expr)
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Field Detail
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eval
private final java.util.function.Function<BindingSet,CloseableIteration<BindingSet,QueryEvaluationException>> eval
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Constructor Detail
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JoinQueryEvaluationStep
public JoinQueryEvaluationStep(EvaluationStrategy strategy, Join join, QueryEvaluationContext context)
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Method Detail
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evaluate
public CloseableIteration<BindingSet,QueryEvaluationException> evaluate(BindingSet bindings)
- Specified by:
evaluate
in interfaceQueryEvaluationStep
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isOutOfScopeForLeftArgBindings
private static boolean isOutOfScopeForLeftArgBindings(TupleExpr expr)
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