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

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

All Implemented Interfaces:

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

public class LeftJoinIterator
extends LookAheadIteration<BindingSet,QueryEvaluationException>

Constructor Summary

LeftJoinIterator(EvaluationStrategy strategy, LeftJoin join, BindingSet bindings)

Method Summary

protected BindingSet	getNextElement()
protected void	handleClose()

Methods inherited from class info.aduna.iteration.LookAheadIteration

hasNext, next, 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

LeftJoinIterator

public LeftJoinIterator(EvaluationStrategy strategy,
                        LeftJoin join,
                        BindingSet bindings)
                 throws QueryEvaluationException

Throws:

QueryEvaluationException

Method Detail

getNextElement

protected BindingSet getNextElement()
                             throws QueryEvaluationException

Specified by:

getNextElement in class LookAheadIteration<BindingSet,QueryEvaluationException>

Throws:

QueryEvaluationException

handleClose

protected void handleClose()
                    throws QueryEvaluationException

Overrides:

handleClose in class LookAheadIteration<BindingSet,QueryEvaluationException>

Throws:

QueryEvaluationException