Class FedXZeroLengthPathIteration
java.lang.Object
org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<BindingSet>
org.eclipse.rdf4j.common.iteration.LookAheadIteration<BindingSet>
org.eclipse.rdf4j.federated.evaluation.iterator.FedXZeroLengthPathIteration
- All Implemented Interfaces:
AutoCloseable
,Iterator<BindingSet>
,CloseableIteration<BindingSet>
An iteration to evaluated
FedXZeroLengthPath
- See Also:
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Constructor Summary
ConstructorDescriptionFedXZeroLengthPathIteration
(EvaluationStrategy evaluationStrategyImpl, Var subjectVar, Var objVar, Value subj, Value obj, Var contextVar, BindingSet bindings, QueryEvaluationContext context, QueryInfo queryInfo, List<StatementSource> statementSources) -
Method Summary
Modifier and TypeMethodDescriptioncreateAnonVar
(String varName) protected BindingSet
Gets the next element.protected void
Called byAbstractCloseableIteration.close()
when it is called for the first time.Methods inherited from class org.eclipse.rdf4j.common.iteration.LookAheadIteration
hasNext, next, remove
Methods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration
close, isClosed
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.common.iteration.CloseableIteration
stream
Methods inherited from interface java.util.Iterator
forEachRemaining
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Constructor Details
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FedXZeroLengthPathIteration
public FedXZeroLengthPathIteration(EvaluationStrategy evaluationStrategyImpl, Var subjectVar, Var objVar, Value subj, Value obj, Var contextVar, BindingSet bindings, QueryEvaluationContext context, QueryInfo queryInfo, List<StatementSource> statementSources)
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Method Details
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getNextElement
Description copied from class:LookAheadIteration
Gets the next element. Subclasses should implement this method so that it returns the next element.- Specified by:
getNextElement
in classLookAheadIteration<BindingSet>
- Returns:
- The next element, or null if no more elements are available.
- Throws:
QueryEvaluationException
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createAnonVar
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handleClose
protected void handleClose()Description copied from class:AbstractCloseableIteration
Called byAbstractCloseableIteration.close()
when it is called for the first time. This method is only called once on each iteration. By default, this method does nothing.- Specified by:
handleClose
in classAbstractCloseableIteration<BindingSet>
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