org.eclipse.rdf4j.federated.evaluation.iterator

Class IndependentJoingroupBindingsIteration2

java.lang.Object

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

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

org.eclipse.rdf4j.federated.evaluation.iterator.IndependentJoingroupBindingsIteration2

All Implemented Interfaces:

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

public class IndependentJoingroupBindingsIteration2
extends LookAheadIteration<BindingSet,QueryEvaluationException>

Inserts original bindings into the result.

Author:

Andreas Schwarte

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	IndependentJoingroupBindingsIteration2.BindingInfo

Field Summary

Fields

Modifier and Type	Field and Description
protected List<BindingSet>	bindings
protected int	currentIdx
protected CloseableIteration<BindingSet,QueryEvaluationException>	iter
protected static Pattern	pattern
protected ArrayList<BindingSet>	result

Constructor Summary

Constructors

Constructor and Description
IndependentJoingroupBindingsIteration2(CloseableIteration<BindingSet,QueryEvaluationException> iter, List<BindingSet> bindings)

Method Summary

Modifier and Type	Method and Description
protected ArrayList<BindingSet>	computeResult()
protected BindingSet	getNextElement() Gets the next element.

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

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.Iteration

stream

Field Detail

pattern

protected static final Pattern pattern

bindings

protected final List<BindingSet> bindings

iter

protected final CloseableIteration<BindingSet,QueryEvaluationException> iter

result

protected ArrayList<BindingSet> result

currentIdx

protected int currentIdx

Constructor Detail

IndependentJoingroupBindingsIteration2

public IndependentJoingroupBindingsIteration2(CloseableIteration<BindingSet,QueryEvaluationException> iter,
                                              List<BindingSet> bindings)

Method Detail

getNextElement

protected BindingSet getNextElement()
                             throws QueryEvaluationException

Description copied from class: LookAheadIteration

Gets the next element. Subclasses should implement this method so that it returns the next element.

Specified by:

getNextElement in class LookAheadIteration<BindingSet,QueryEvaluationException>

Returns:

The next element, or null if no more elements are available.

Throws:

QueryEvaluationException

computeResult

protected ArrayList<BindingSet> computeResult()
                                       throws QueryEvaluationException

Throws:

QueryEvaluationException