org.openrdf.query.algebra.evaluation.iterator
Class FilterIterator

java.lang.Object
  info.aduna.iteration.CloseableIterationBase<E,X>
      info.aduna.iteration.IterationWrapper<E,X>
          info.aduna.iteration.FilterIteration<BindingSet,QueryEvaluationException>
              org.openrdf.query.algebra.evaluation.iterator.FilterIterator

All Implemented Interfaces:

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

public class FilterIterator
extends FilterIteration<BindingSet,QueryEvaluationException>

Field Summary

Fields inherited from class info.aduna.iteration.IterationWrapper

wrappedIter

Constructor Summary

FilterIterator(Filter filter, CloseableIteration<BindingSet,QueryEvaluationException> iter, EvaluationStrategy strategy)

Method Summary

protected boolean

accept(BindingSet bindings) Tests whether or not the specified object should be returned by this Iteration.

Methods inherited from class info.aduna.iteration.FilterIteration

handleClose, hasNext, next

Methods inherited from class info.aduna.iteration.IterationWrapper

remove

Methods inherited from class info.aduna.iteration.CloseableIterationBase

close, isClosed

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FilterIterator

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

Throws:

QueryEvaluationException

Method Detail

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