Class PrintingIteration

java.lang.Object

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

org.eclipse.rdf4j.federated.evaluation.iterator.PrintingIteration

All Implemented Interfaces:

AutoCloseable, Iterator<BindingSet>, CloseableIteration<BindingSet>

public class PrintingIteration
extends AbstractCloseableIteration<BindingSet>

Print the bindings of the inner iteration to stdout, however maintain a copy, which is accessible through this iteration.

Author:

Andreas Schwarte

Field Summary

Fields

Modifier and Type	Field	Description
protected LinkedList<BindingSet>	copyQueue
protected boolean	done
protected final CloseableIteration<BindingSet>	inner

Fields inherited from interface CloseableIteration

EMPTY_STATEMENT_ITERATION

Constructor Summary

Constructors

Constructor	Description
PrintingIteration(CloseableIteration<BindingSet> inner)

Method Summary

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

Methods inherited from class AbstractCloseableIteration

close, isClosed

Methods inherited from class Object

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

Methods inherited from interface CloseableIteration

stream

Methods inherited from interface Iterator

forEachRemaining

Field Details

inner

protected final CloseableIteration<BindingSet> inner

copyQueue

protected LinkedList<BindingSet> copyQueue

done

protected boolean done

Constructor Details

PrintingIteration

public PrintingIteration(CloseableIteration<BindingSet> inner)

Method Details

print

public void print()
           throws QueryEvaluationException

Throws:

QueryEvaluationException

hasNext

public boolean hasNext()
                throws QueryEvaluationException

Throws:

QueryEvaluationException

next

public BindingSet next()
                throws QueryEvaluationException

Throws:

QueryEvaluationException

remove

public void remove()
            throws QueryEvaluationException

Throws:

QueryEvaluationException

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