/* Copyright (C) 2002-2004 MySQL AB This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as  published by the Free Software Foundation. There are special exceptions to the terms and conditions of the GPL  as it is applied to this software. View the full text of the  exception in file EXCEPTIONS-CONNECTOR-J in the directory of this  software distribution. This program 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */package com.mysql.jdbc.util;import java.util.LinkedHashMap;import java.util.Map.Entry;/** * @author Mark Matthews * @version $Id: LRUCache.java 4161 2005-08-30 19:14:01Z eherman $ */public class LRUCache extends LinkedHashMap {    private static final long serialVersionUID = 1L;    protected int maxElements;	public LRUCache(int maxSize) {		super(maxSize);		this.maxElements = maxSize;	}	/*	 * (non-Javadoc)	 * 	 * @see java.util.LinkedHashMap#removeEldestEntry(java.util.Map.Entry)	 */	protected boolean removeEldestEntry(Entry eldest) {		return (size() > this.maxElements);	}}