Class FilterIterator
java.lang.Object
org.eclipse.rdf4j.common.iteration.FilterIteration<BindingSet>
org.eclipse.rdf4j.query.algebra.evaluation.iterator.FilterIterator
- All Implemented Interfaces:
AutoCloseable,Iterator<BindingSet>,CloseableIteration<BindingSet>
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Constructor Summary
ConstructorsConstructorDescriptionFilterIterator(Filter filter, CloseableIteration<BindingSet> iter, QueryValueEvaluationStep condition, EvaluationStrategy strategy) -
Method Summary
Modifier and TypeMethodDescriptionprotected booleanaccept(BindingSet bindings) Tests whether or not the specified object should be returned by this Iteration.protected voidCloses this Iteration and also closes the wrapped Iteration if it is aCloseableIteration.static booleanstatic QueryEvaluationStepsupply(Filter filter, EvaluationStrategy strategy, QueryEvaluationContext context) 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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Constructor Details
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FilterIterator
public FilterIterator(Filter filter, CloseableIteration<BindingSet> iter, QueryValueEvaluationStep condition, EvaluationStrategy strategy) throws QueryEvaluationException - Throws:
QueryEvaluationException
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Method Details
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supply
public static QueryEvaluationStep supply(Filter filter, EvaluationStrategy strategy, QueryEvaluationContext context) -
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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isPartOfSubQuery
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handleClose
protected 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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