Class QueryValueEvaluationStep.Fail
- java.lang.Object
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- org.eclipse.rdf4j.query.algebra.evaluation.QueryValueEvaluationStep.Fail
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- All Implemented Interfaces:
QueryValueEvaluationStep
- Enclosing interface:
- QueryValueEvaluationStep
public static final class QueryValueEvaluationStep.Fail extends Object implements QueryValueEvaluationStep
A minimal implementation that falls is known to throw an ValueExprEvaluationException. This can't be a constant as the downstream code needs to catch and deal with it and that needs re-evaluation.
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.QueryValueEvaluationStep
QueryValueEvaluationStep.ApplyFunctionForEachBinding, QueryValueEvaluationStep.ConstantQueryValueEvaluationStep, QueryValueEvaluationStep.Fail, QueryValueEvaluationStep.Minimal
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Value
evaluate(BindingSet bindings)
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.QueryValueEvaluationStep
isConstant
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Constructor Detail
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Fail
public Fail(String message)
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Method Detail
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evaluate
public Value evaluate(BindingSet bindings) throws ValueExprEvaluationException, QueryEvaluationException
- Specified by:
evaluate
in interfaceQueryValueEvaluationStep
- Throws:
ValueExprEvaluationException
QueryEvaluationException
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