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.upgrade.v4_3_0.util;
16  
17  import com.liferay.portal.upgrade.util.PKUpgradeColumnImpl;
18  
19  /**
20   * <a href="MBCategoryIdUpgradeColumnImpl.java.html"><b><i>View Source</i></b>
21   * </a>
22   *
23   * @author Brian Wing Shun Chan
24   */
25  public class MBCategoryIdUpgradeColumnImpl extends PKUpgradeColumnImpl {
26  
27      public MBCategoryIdUpgradeColumnImpl() {
28          super("categoryId", true);
29      }
30  
31      public Object getNewValue(Object oldValue) throws Exception {
32          Long categoryId = (Long)oldValue;
33  
34          if (categoryId.longValue() == 0) {
35              return new Long(0);
36          }
37          else {
38              return super.getNewValue(oldValue);
39          }
40      }
41  
42  }