Class ProjectionQueryEvaluationStep
- java.lang.Object
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- org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps.ProjectionQueryEvaluationStep
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- All Implemented Interfaces:
QueryEvaluationStep
public final class ProjectionQueryEvaluationStep 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 QueryEvaluationContext
context
private Projection
projection
private QueryEvaluationStep
qes
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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 ProjectionQueryEvaluationStep(Projection projection, QueryEvaluationStep qes, QueryEvaluationContext context)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description CloseableIteration<BindingSet,QueryEvaluationException>
evaluate(BindingSet bindings)
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Field Detail
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projection
private final Projection projection
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qes
private final QueryEvaluationStep qes
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context
private final QueryEvaluationContext context
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Constructor Detail
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ProjectionQueryEvaluationStep
public ProjectionQueryEvaluationStep(Projection projection, QueryEvaluationStep qes, 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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