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

Class QueryEvaluationStep.DelayedEvaluationIteration

java.lang.Object

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

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

org.eclipse.rdf4j.query.algebra.evaluation.QueryEvaluationStep.DelayedEvaluationIteration

All Implemented Interfaces:

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

Enclosing interface:

QueryEvaluationStep

@Deprecated(since="4.1.0",
            forRemoval=true)
public static class QueryEvaluationStep.DelayedEvaluationIteration
extends DelayedIteration<BindingSet,QueryEvaluationException>

Deprecated, for removal: This API element is subject to removal in a future version.

Utility class that removes code duplication and makes a precompiled QueryEvaluationStep available as an iteration that may be created and used later.

Constructor Summary

Constructors

Constructor	Description
DelayedEvaluationIteration(QueryEvaluationStep arg, BindingSet bs)	Deprecated, for removal: This API element is subject to removal in a future version.

Method Summary

Modifier and Type	Method	Description
protected CloseableIteration<? extends BindingSet,? extends QueryEvaluationException>	createIteration()	Deprecated, for removal: This API element is subject to removal in a future version. Creates the iteration that should be iterated over.

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

handleClose, hasNext, next, 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.CloseableIteration

stream

Constructor Details

DelayedEvaluationIteration

public DelayedEvaluationIteration(QueryEvaluationStep arg,
 BindingSet bs)

Deprecated, for removal: This API element is subject to removal in a future version.

Method Details

createIteration

protected CloseableIteration<? extends BindingSet,? extends QueryEvaluationException> createIteration()
                                                                                               throws QueryEvaluationException

Deprecated, for removal: This API element is subject to removal in a future version.

Description copied from class: DelayedIteration

Creates the iteration that should be iterated over. This method is called only once, when the iteration is first needed.

Specified by:

createIteration in class DelayedIteration<BindingSet,QueryEvaluationException>

Throws:

QueryEvaluationException