001    /**
002     * Copyright (c) 2000-present 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.upgrade.util;
016    
017    import com.liferay.portal.kernel.dao.db.DB;
018    import com.liferay.portal.kernel.dao.db.DBManagerUtil;
019    
020    /**
021     * @author Brian Wing Shun Chan
022     */
023    public abstract class BaseUpgradeColumnImpl implements UpgradeColumn {
024    
025            public BaseUpgradeColumnImpl(String name) {
026                    this(name, null);
027            }
028    
029            public BaseUpgradeColumnImpl(String name, Integer oldColumnType) {
030                    _name = name;
031                    _oldColumnType = oldColumnType;
032            }
033    
034            @Override
035            public String getName() {
036                    return _name;
037            }
038    
039            @Override
040            public Integer getNewColumnType(Integer defaultType) {
041                    return defaultType;
042            }
043    
044            @Override
045            public Object getNewValue() {
046                    return _newValue;
047            }
048    
049            @Override
050            public Integer getOldColumnType(Integer defaultType) {
051                    if (_oldColumnType == null) {
052                            return defaultType;
053                    }
054                    else {
055                            return _oldColumnType;
056                    }
057            }
058    
059            @Override
060            public Object getOldValue() {
061                    return _oldValue;
062            }
063    
064            @Override
065            public long increment() {
066                    DB db = DBManagerUtil.getDB();
067    
068                    return db.increment();
069            }
070    
071            @Override
072            public boolean isApplicable(String name) {
073                    if (_name.equals(name)) {
074                            return true;
075                    }
076                    else {
077                            return false;
078                    }
079            }
080    
081            @Override
082            public void setNewValue(Object newValue) {
083                    _newValue = newValue;
084            }
085    
086            @Override
087            public void setOldValue(Object oldValue) {
088                    _oldValue = oldValue;
089            }
090    
091            private final String _name;
092            private Object _newValue;
093            private Integer _oldColumnType;
094            private Object _oldValue;
095    
096    }