001/*
002 * HA-JDBC: High-Availability JDBC
003 * Copyright (c) 2004-2008 Paul Ferraro
004 * 
005 * This library is free software; you can redistribute it and/or modify it 
006 * under the terms of the GNU Lesser General Public License as published by the 
007 * Free Software Foundation; either version 2.1 of the License, or (at your 
008 * option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful, but WITHOUT
011 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
012 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 
013 * for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public License
016 * along with this library; if not, write to the Free Software Foundation, 
017 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
018 * 
019 * Contact: ferraro@users.sourceforge.net
020 */
021package net.sf.hajdbc.util.ref;
022
023/**
024 * A synchronizable wrapper around a nullable object.
025 * @author Paul Ferraro
026 */
027public class VolatileReference<T>
028{
029        private volatile T object;
030        
031        public VolatileReference()
032        {
033                // Do nothing
034        }
035        
036        public VolatileReference(T object)
037        {
038                this.object = object;
039        }
040        
041        public T get()
042        {
043                return this.object;
044        }
045        
046        public void set(T object)
047        {
048                this.object = object;
049        }
050}