Class CollectionIteration<E>

java.lang.Object

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

org.eclipse.rdf4j.repository.sparql.federation.CollectionIteration<E>

All Implemented Interfaces:

AutoCloseable, Iterator<E>, CloseableIteration<E>

public class CollectionIteration<E>
extends AbstractCloseableIteration<E>

An iteration to access a materialized Collection of BindingSets.

Author:

Andreas Schwarte

Field Summary

Fields

Modifier and Type	Field	Description
protected final Collection<E>	collection
protected Iterator<E>	iterator

Fields inherited from interface CloseableIteration

EMPTY_STATEMENT_ITERATION

Modifier and Type	Field	Description
static final EmptyIteration<Statement>	EMPTY_STATEMENT_ITERATION

Constructor Summary

Constructors

Constructor	Description
CollectionIteration(Collection<E> collection)

Method Summary

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

Methods inherited from class AbstractCloseableIteration

close, isClosed

Modifier and Type	Method	Description
final void	close()	Calls AbstractCloseableIteration.handleClose() upon first call and makes sure the resource closures are only executed once.
final boolean	isClosed()	Checks whether this CloseableIteration has been closed.

Methods inherited from class Object

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

Methods inherited from interface CloseableIteration

stream

Modifier and Type	Method	Description
default Stream<E>	stream()	Convert the results to a Java 8 Stream.

Methods inherited from interface Iterator

forEachRemaining

Field Details

collection

protected final Collection<E> collection

iterator

protected Iterator<E> iterator

Constructor Details

CollectionIteration

public CollectionIteration(Collection<E> collection)

Parameters:

collection -

Method Details

hasNext

public boolean hasNext()

next

public E next()

remove

public void remove()

handleClose

protected void handleClose()

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<E>