Class StopRemainingExecutionsOnCloseIteration
- java.lang.Object
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- org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<BindingSet>
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- org.eclipse.rdf4j.federated.evaluation.iterator.StopRemainingExecutionsOnCloseIteration
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- All Implemented Interfaces:
AutoCloseable
,Iterator<BindingSet>
,CloseableIteration<BindingSet>
public class StopRemainingExecutionsOnCloseIteration extends AbstractCloseableIteration<BindingSet>
A wrapping iteration that attempts to close all running scheduledFuture
s for the given query evaluation.This is required for instance if the resulting iteration is not fully consumed.
- Author:
- Andreas Schwarte
- See Also:
QueryInfo.close()
,ParallelTask.cancel()
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Field Summary
Fields Modifier and Type Field Description protected CloseableIteration<? extends BindingSet>
inner
protected QueryInfo
queryInfo
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Constructor Summary
Constructors Constructor Description StopRemainingExecutionsOnCloseIteration(CloseableIteration<? extends BindingSet> inner, QueryInfo queryInfo)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected void
handleClose()
Called byAbstractCloseableIteration.close()
when it is called for the first time.boolean
hasNext()
BindingSet
next()
void
remove()
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Methods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration
close, isClosed
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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.common.iteration.CloseableIteration
stream
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Methods inherited from interface java.util.Iterator
forEachRemaining
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Field Detail
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inner
protected final CloseableIteration<? extends BindingSet> inner
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queryInfo
protected final QueryInfo queryInfo
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Constructor Detail
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StopRemainingExecutionsOnCloseIteration
public StopRemainingExecutionsOnCloseIteration(CloseableIteration<? extends BindingSet> inner, QueryInfo queryInfo)
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Method Detail
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hasNext
public boolean hasNext() throws QueryEvaluationException
- Throws:
QueryEvaluationException
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next
public BindingSet next() throws QueryEvaluationException
- Throws:
QueryEvaluationException
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remove
public void remove() throws QueryEvaluationException
- Throws:
QueryEvaluationException
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handleClose
protected void handleClose() throws QueryEvaluationException
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>
- Throws:
QueryEvaluationException
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