/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.

 */

package com.oracle.solaris.vp.util.misc;

import java.util.*;

/**

 * The {@code StackList} class is a {@link Stackable} {@code LinkedList}.

 */

@SuppressWarnings({"serial"})

public class StackList<E> extends LinkedList<E> implements Stackable<E> {

    //

    // Stackable methods

    //

    @Override

    public int getCount() {

	return size();

    }

    @Override

    public E peekOrErr() {

	return element();

    }

    @Override

    public E peekOrErr(int n) {

	try {

	    return get(n);

	} catch (IndexOutOfBoundsException e) {

	    throw new NoSuchElementException(e.getMessage());

	}

    }

}