TransientValue.java |
1 /** 2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or modify it under 5 * the terms of the GNU Lesser General Public License as published by the Free 6 * Software Foundation; either version 2.1 of the License, or (at your option) 7 * any later version. 8 * 9 * This library is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 12 * details. 13 */ 14 15 package com.liferay.portal.kernel.util; 16 17 import java.io.Serializable; 18 19 /** 20 * <a href="TransientValue.java.html"><b><i>View Source</i></b></a> 21 * 22 * @author Brian Wing Shun Chan 23 */ 24 public class TransientValue<V> implements Serializable { 25 26 public TransientValue(V value) { 27 _value = value; 28 } 29 30 public V getValue() { 31 return _value; 32 } 33 34 public boolean isNotNull() { 35 return !isNull(); 36 } 37 38 public boolean isNull() { 39 if (_value == null) { 40 return true; 41 } 42 else { 43 return false; 44 } 45 } 46 47 public void setValue(V value) { 48 _value = value; 49 } 50 51 private transient V _value; 52 53 }