Package org.eclipse.rdf4j.federated.evaluation.iterator

Class GraphToBindingSetConversionIteration

java.lang.Object

org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<BindingSet>

org.eclipse.rdf4j.federated.evaluation.iterator.GraphToBindingSetConversionIteration

All Implemented Interfaces:

AutoCloseable, Iterator<BindingSet>, CloseableIteration<BindingSet>

public class GraphToBindingSetConversionIteration
extends AbstractCloseableIteration<BindingSet>

Converts graph results into a binding set iteration

Author:

Andreas Schwarte

Field Summary

Fields

Modifier and Type	Field	Description
protected final GraphQueryResult	graph

Constructor Summary

Constructors

Constructor	Description
GraphToBindingSetConversionIteration(GraphQueryResult graph)

Method Summary

Modifier and Type	Method	Description
protected BindingSet	convert(Statement st)
protected void	handleClose()	Called by AbstractCloseableIteration.close() when it is called for the first time.
boolean	hasNext()
BindingSet	next()
void	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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Details

graph

protected final GraphQueryResult graph

Constructor Details

GraphToBindingSetConversionIteration

public GraphToBindingSetConversionIteration(GraphQueryResult graph)

Method Details

hasNext

public boolean hasNext()
                throws QueryEvaluationException

Throws:

QueryEvaluationException

next

public BindingSet next()
                throws QueryEvaluationException

Throws:

QueryEvaluationException

remove

public void remove()
            throws QueryEvaluationException

Throws:

QueryEvaluationException

convert

protected BindingSet convert(Statement st)

handleClose

protected void handleClose()
                    throws QueryEvaluationException

Description copied from class: AbstractCloseableIteration

Called by AbstractCloseableIteration.close() when it is called for the first time. This method is only called once on each iteration. By default, this method does nothing.

Specified by:

handleClose in class AbstractCloseableIteration<BindingSet>

Throws:

QueryEvaluationException