org.eclipse.rdf4j.repository.sparql.federation

Class CollectionIteration<E,X extends Exception>

java.lang.Object

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

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

All Implemented Interfaces:

AutoCloseable, CloseableIteration<E,X>, Iteration<E,X>

Direct Known Subclasses:

CollectionIteration

public class CollectionIteration<E,X extends Exception>
extends AbstractCloseableIteration<E,X>

An iteration to access a materialized Collection of BindingSets.

Author:

Andreas Schwarte

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
CollectionIteration(Collection<E> collection)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext() Returns true if the iteration has more elements.
E	next() Returns the next element in the iteration.
void	remove() Removes from the underlying collection the last element returned by the iteration (optional operation).

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

close, handleClose, 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

collection

protected final Collection<E> collection

iterator

protected Iterator<E> iterator

Constructor Detail

CollectionIteration

public CollectionIteration(Collection<E> collection)

Parameters:

collection -

Method Detail

hasNext

public boolean hasNext()
                throws X extends Exception

Description copied from interface: Iteration

Returns true if the iteration has more elements. (In other words, returns true if Iteration.next() would return an element rather than throwing a NoSuchElementException.)

Returns:

true if the iteration has more elements.

Throws:

X

X extends Exception

next

public E next()
       throws X extends Exception

Description copied from interface: Iteration

Returns the next element in the iteration.

Returns:

the next element in the iteration.

Throws:

X extends Exception

remove

public void remove()
            throws X extends Exception

Description copied from interface: Iteration

Removes from the underlying collection the last element returned by the iteration (optional operation). This method can be called only once per call to next.

Throws:

X extends Exception