001    /**
002     * Copyright (c) 2000-2013 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     * @see    com.liferay.portal.kernel.servlet.NonSerializableObjectHandler
022     */
023    public class TransientValue<V> implements Serializable {
024    
025            public TransientValue() {
026            }
027    
028            public TransientValue(V value) {
029                    _value = value;
030            }
031    
032            public V getValue() {
033                    return _value;
034            }
035    
036            public boolean isNotNull() {
037                    return !isNull();
038            }
039    
040            public boolean isNull() {
041                    if (_value == null) {
042                            return true;
043                    }
044                    else {
045                            return false;
046                    }
047            }
048    
049            public void setValue(V value) {
050                    _value = value;
051            }
052    
053            private transient V _value;
054    
055    }