Package org.eclipse.rdf4j.query.algebra.evaluation.iterator

Class FilterIterator

java.lang.Object

org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<E,X>

org.eclipse.rdf4j.common.iteration.IterationWrapper<E,X>

org.eclipse.rdf4j.common.iteration.FilterIteration<BindingSet,QueryEvaluationException>

org.eclipse.rdf4j.query.algebra.evaluation.iterator.FilterIterator

All Implemented Interfaces:

AutoCloseable, CloseableIteration<BindingSet,QueryEvaluationException>, Iteration<BindingSet,QueryEvaluationException>

public class FilterIterator
extends FilterIteration<BindingSet,QueryEvaluationException>

Field Summary

Fields inherited from class org.eclipse.rdf4j.common.iteration.IterationWrapper

wrappedIter

Constructor Summary

Constructors

Constructor	Description
FilterIterator(Filter filter, CloseableIteration<BindingSet,QueryEvaluationException> iter, QueryValueEvaluationStep ves, EvaluationStrategy strategy)

Method Summary

Modifier and Type	Method	Description
protected boolean	accept(BindingSet bindings)	Tests whether or not the specified object should be returned by this Iteration.

Methods inherited from class org.eclipse.rdf4j.common.iteration.FilterIteration

handleClose, hasNext, next

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.Iteration

stream

Constructor Details

FilterIterator

public FilterIterator(Filter filter,
 CloseableIteration<BindingSet,QueryEvaluationException> iter,
 QueryValueEvaluationStep ves,
 EvaluationStrategy strategy)
               throws QueryEvaluationException

Throws:

QueryEvaluationException

Method Details

accept

protected boolean accept(BindingSet bindings)
                  throws QueryEvaluationException

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 class FilterIteration<BindingSet,QueryEvaluationException>

Parameters:

bindings - The object to be tested.

Returns:

true if the object should be returned, false otherwise.

Throws:

QueryEvaluationException