Class DefaultEvaluationStrategy.TimedIterator
java.lang.Object
org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<BindingSet,QueryEvaluationException>
org.eclipse.rdf4j.common.iteration.IterationWrapper<BindingSet,QueryEvaluationException>
org.eclipse.rdf4j.query.algebra.evaluation.impl.DefaultEvaluationStrategy.TimedIterator
- All Implemented Interfaces:
AutoCloseable
,CloseableIteration<BindingSet,
,QueryEvaluationException> Iteration<BindingSet,
QueryEvaluationException>
- Enclosing class:
DefaultEvaluationStrategy
private static class DefaultEvaluationStrategy.TimedIterator
extends IterationWrapper<BindingSet,QueryEvaluationException>
This class wraps an iterator and tracks the time used to execute next() and hasNext()
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Field Summary
FieldsModifier and TypeFieldDescription(package private) CloseableIteration
<BindingSet, QueryEvaluationException> (package private) QueryModelNode
(package private) com.google.common.base.Stopwatch
Fields inherited from class org.eclipse.rdf4j.common.iteration.IterationWrapper
wrappedIter
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Constructor Summary
ConstructorsConstructorDescriptionTimedIterator
(CloseableIteration<BindingSet, QueryEvaluationException> iterator, QueryModelNode queryModelNode) -
Method Summary
Modifier and TypeMethodDescriptionprotected void
Closes this Iteration and also closes the wrapped Iteration if it is aCloseableIteration
.boolean
hasNext()
Checks whether the wrapped Iteration contains more elements, closing this Iteration when this is not the case.next()
Returns the next element from the wrapped Iteration.Methods inherited from class org.eclipse.rdf4j.common.iteration.IterationWrapper
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
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Field Details
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iterator
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queryModelNode
QueryModelNode queryModelNode -
stopwatch
com.google.common.base.Stopwatch stopwatch
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Constructor Details
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TimedIterator
public TimedIterator(CloseableIteration<BindingSet, QueryEvaluationException> iterator, QueryModelNode queryModelNode)
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Method Details
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next
Description copied from class:IterationWrapper
Returns the next element from the wrapped Iteration.- Specified by:
next
in interfaceIteration<BindingSet,
QueryEvaluationException> - Overrides:
next
in classIterationWrapper<BindingSet,
QueryEvaluationException> - Returns:
- the next element in the iteration.
- Throws:
QueryEvaluationException
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hasNext
Description copied from class:IterationWrapper
Checks whether the wrapped Iteration contains more elements, closing this Iteration when this is not the case.- Specified by:
hasNext
in interfaceIteration<BindingSet,
QueryEvaluationException> - Overrides:
hasNext
in classIterationWrapper<BindingSet,
QueryEvaluationException> - Returns:
- true if the wrapped Iteration contains more elements, false otherwise.
- Throws:
QueryEvaluationException
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handleClose
Description copied from class:IterationWrapper
Closes this Iteration and also closes the wrapped Iteration if it is aCloseableIteration
.- Overrides:
handleClose
in classIterationWrapper<BindingSet,
QueryEvaluationException> - Throws:
QueryEvaluationException
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