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/*******************************************************************************
* Copyright (c) 2009, 2010 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.Stack;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.common.utility.internal.iterators.StackIterator;
/**
* A <code>StackIterable</code> provides an {@link Iterable}
* for a {@link Stack} of objects of type <code>E</code>. The stack's elements
* are {@link Stack#pop() "popped"} 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 Stack
* @see StackIterator
*/
public class StackIterable<E>
implements Iterable<E>
{
private final Stack<E> stack;
/**
* Construct an iterable for the specified stack.
*/
public StackIterable(Stack<E> stack) {
super();
this.stack = stack;
}
public Iterator<E> iterator() {
return new StackIterator<E>(this.stack);
}
@Override
public String toString() {
return StringTools.buildToStringFor(this, this.stack);
}
}
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