Package org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps.values

Class ExistsQueryValueEvaluationStep

java.lang.Object

org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps.values.ExistsQueryValueEvaluationStep

All Implemented Interfaces:

QueryValueEvaluationStep

public final class ExistsQueryValueEvaluationStep
extends Object
implements QueryValueEvaluationStep

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.QueryValueEvaluationStep

QueryValueEvaluationStep.ApplyFunctionForEachBinding, QueryValueEvaluationStep.ConstantQueryValueEvaluationStep, QueryValueEvaluationStep.Fail, QueryValueEvaluationStep.Minimal

Constructor Summary

Constructors

Constructor	Description
ExistsQueryValueEvaluationStep(QueryEvaluationStep subquery)

Method Summary

Modifier and Type	Method	Description
Value	evaluate(BindingSet bindings)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.QueryValueEvaluationStep

isConstant

Constructor Details

ExistsQueryValueEvaluationStep

public ExistsQueryValueEvaluationStep(QueryEvaluationStep subquery)

Method Details

evaluate

public Value evaluate(BindingSet bindings)
               throws ValueExprEvaluationException,
QueryEvaluationException

Specified by:

evaluate in interface QueryValueEvaluationStep

Throws:

ValueExprEvaluationException

QueryEvaluationException