| /******************************************************************************* |
| * 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.utility.internal.iterables; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.jpt.utility.internal.StringTools; |
| import org.eclipse.jpt.utility.internal.iterators.ReadOnlyIterator; |
| |
| /** |
| * A <code>ReadOnlyIterable</code> wraps another <code>Iterable</code> |
| * and returns a read-only <code>Iterator</code>. |
| * |
| * @see ReadOnlyIterator |
| */ |
| public class ReadOnlyIterable<E> |
| implements Iterable<E> |
| { |
| private final Iterable<? extends E> iterable; |
| |
| |
| /** |
| * Construct an iterable the returns a read-only iterator on the elements |
| * in the specified iterable. |
| */ |
| public ReadOnlyIterable(Iterable<? extends E> iterable) { |
| super(); |
| this.iterable = iterable; |
| } |
| |
| public Iterator<E> iterator() { |
| return new ReadOnlyIterator<E>(this.iterable); |
| } |
| |
| @Override |
| public String toString() { |
| return StringTools.buildToStringFor(this, this.iterable); |
| } |
| |
| } |