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
FieldsModifier and TypeFieldDescriptionprotected final FilterValueExprprotected final FederationEvalStrategy -
Constructor Summary
ConstructorsConstructorDescriptionFilteringIteration(FilterValueExpr filterExpr, CloseableIteration<BindingSet> iter, FederationEvalStrategy strategy) -
Method Summary
Modifier and TypeMethodDescriptionprotected booleanaccept(BindingSet bindings) Tests whether or not the specified object should be returned by this Iteration.protected final voidCloses 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, removeMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration
streamMethods 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:FilterIterationTests 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:
acceptin 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:FilterIterationCloses this Iteration and also closes the wrapped Iteration if it is aCloseableIteration.- Specified by:
handleClosein classFilterIteration<BindingSet>
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