/* This file is part of the db4o object database http://www.db4o.com

Copyright (C) 2004 - 2011  Versant Corporation http://www.versant.com

db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.

db4o is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program.  If not, see http://www.gnu.org/licenses/. */
package EDU.purdue.cs.bloat.util;

import java.util.*;

/**
 * ResizableArrayList is the same as ArrayList except that ensureSize not only
 * increases the size of the array (super.ensureCapacity), but it also fills the
 * empty space with null. This way, the size method will return the length of
 * the array and not just the number of elements in it. I guess.
 */
public class ResizeableArrayList extends ArrayList implements List, Cloneable,
		java.io.Serializable {
	/**
	 * This constructor is no longer supported in JDK1.2 public
	 * ResizeableArrayList(int initialCapacity, int capacityIncrement) {
	 * super(initialCapacity, capacityIncrement); }
	 */
	public ResizeableArrayList(final int initialCapacity) {
		super(initialCapacity);
	}

	public ResizeableArrayList() {
		super();
	}

	public ResizeableArrayList(final Collection c) {
		super(c);
	}

	public void ensureSize(final int size) {
		ensureCapacity(size);

		while (size() < size) {
			add(null);
		}
	}

	public Object clone() {
		return super.clone();
	}
}