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/*******************************************************************************
* Copyright (c) 2009 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.utility.internal.iterables;
import java.util.Iterator;
import org.eclipse.jpt.common.utility.internal.Queue;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.common.utility.internal.iterators.QueueIterator;
/**
* A <code>QueueIterable</code> provides an {@link Iterable}
* for a {@link Queue} of objects of type <code>E</code>. The queue's elements
* are {@link Queue#dequeue() dequeue}d" as the iterable's iterator returns
* them with calls to {@link Iterator#next()}.
*
* @param <E> the type of elements returned by the iterable's iterator
*
* @see Queue
* @see QueueIterator
*/
public class QueueIterable<E>
implements Iterable<E>
{
private final Queue<E> queue;
/**
* Construct an iterable for the specified queue.
*/
public QueueIterable(Queue<E> queue) {
super();
this.queue = queue;
}
public Iterator<E> iterator() {
return new QueueIterator<E>(this.queue);
}
@Override
public String toString() {
return StringTools.buildToStringFor(this, this.queue);
}
}
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