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}