001 /** 002 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 003 * 004 * This library is free software; you can redistribute it and/or modify it under 005 * the terms of the GNU Lesser General Public License as published by the Free 006 * Software Foundation; either version 2.1 of the License, or (at your option) 007 * any later version. 008 * 009 * This library is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 011 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 012 * details. 013 */ 014 015 package com.liferay.portal.kernel.util; 016 017 import java.io.Serializable; 018 019 /** 020 * @author Brian Wing Shun Chan 021 */ 022 public class TransientValue<V> implements Serializable { 023 024 public TransientValue(V value) { 025 _value = value; 026 } 027 028 public V getValue() { 029 return _value; 030 } 031 032 public boolean isNotNull() { 033 return !isNull(); 034 } 035 036 public boolean isNull() { 037 if (_value == null) { 038 return true; 039 } 040 else { 041 return false; 042 } 043 } 044 045 public void setValue(V value) { 046 _value = value; 047 } 048 049 private transient V _value; 050 051 }