DatabaseValueMapper.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.upgrade.util; 16 17 import com.liferay.portal.kernel.upgrade.util.ValueMapper; 18 19 import java.util.Collections; 20 import java.util.Iterator; 21 22 /** 23 * <a href="DatabaseValueMapper.java.html"><b><i>View Source</i></b></a> 24 * 25 * @author Alexander Chow 26 * @author Brian Wing Shun Chan 27 */ 28 public class DatabaseValueMapper implements ValueMapper { 29 30 public DatabaseValueMapper() { 31 32 // Delete 33 34 } 35 36 public Object getNewValue(Object oldValue) throws Exception { 37 38 // Select 39 40 return null; 41 } 42 43 public void mapValue(Object oldValue, Object newValue) throws Exception { 44 45 // Insert 46 47 } 48 49 public void appendException(Object exception) { 50 51 // Exceptions 52 53 } 54 55 public Iterator<Object> iterator() throws Exception { 56 return Collections.EMPTY_LIST.iterator(); 57 } 58 59 public int size() throws Exception { 60 return 0; 61 } 62 63 }