Class FilteringIteration
java.lang.Object
org.eclipse.rdf4j.common.iteration.FilterIteration<BindingSet>
org.eclipse.rdf4j.federated.evaluation.iterator.FilteringIteration
- All Implemented Interfaces:
AutoCloseable
,Iterator<BindingSet>
,CloseableIteration<BindingSet>
Filters iteration according to specified filterExpr.
- Author:
- Andreas Schwarte
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Field Summary
Modifier and TypeFieldDescriptionprotected final FilterValueExpr
protected final FederationEvalStrategy
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Constructor Summary
ConstructorDescriptionFilteringIteration
(FilterValueExpr filterExpr, CloseableIteration<BindingSet> iter, FederationEvalStrategy strategy) -
Method Summary
Modifier and TypeMethodDescriptionprotected boolean
accept
(BindingSet bindings) Tests whether or not the specified object should be returned by this Iteration.protected final void
Closes this Iteration and also closes the wrapped Iteration if it is aCloseableIteration
.Methods inherited from class org.eclipse.rdf4j.common.iteration.FilterIteration
close, hasNext, next, remove
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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Field Details
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filterExpr
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strategy
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Constructor Details
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FilteringIteration
public FilteringIteration(FilterValueExpr filterExpr, CloseableIteration<BindingSet> iter, FederationEvalStrategy strategy) throws QueryEvaluationException - Throws:
QueryEvaluationException
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Method Details
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accept
Description copied from class:FilterIteration
Tests whether or not the specified object should be returned by this Iteration. All objects from the wrapped Iteration pass through this method in the same order as they are coming from the wrapped Iteration.- Specified by:
accept
in classFilterIteration<BindingSet>
- Parameters:
bindings
- The object to be tested.- Returns:
- true if the object should be returned, false otherwise.
- Throws:
QueryEvaluationException
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handleClose
protected final void handleClose()Description copied from class:FilterIteration
Closes this Iteration and also closes the wrapped Iteration if it is aCloseableIteration
.- Specified by:
handleClose
in classFilterIteration<BindingSet>
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