001    /**
002     * Copyright (c) 2003 Daffodil Software Ltd all rights reserved,
003     * Modifications Copyright (c) 2008 Regiscope Digital Imaging Co, LLC, All rights reserved.
004     * This program is free software; you can redistribute it and/or modify
005     * it under the terms of version 2 of the GNU General Public License as
006     * published by the Free Software Foundation.
007     * There are special exceptions to the terms and conditions of the GPL
008     * as it is applied to this software. See the GNU General Public License for more details.
009     *
010     * This program is distributed in the hope that it will be useful,
011     * but WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
013     * GNU General Public License for more details.
014     *
015     * You should have received a copy of the GNU General Public License
016     * along with this program; if not, write to the Free Software
017     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
018     */
019    
020    package org.dbreplicator.replication.xml;
021    
022    import java.sql.*;
023    
024    /**
025     * This class is used in handling the case of tracing the records at the time of
026     * shadow table search for the records with same pk  or with same common_id.
027     * Tracer keeps track of this trace.
028     */
029    
030    public class Tracer
031    {
032    
033        public String type;
034        public boolean recordFound;
035        public ResultSet rs;
036        public Object[] oldRow;
037        public Object[] primaryKeyValues;
038        public Tracer()
039        {
040        }
041    
042        /**
043         * set original record from shadow table only once during call for getLastReocrd in operationUpdate or OperationDelete
044         * @param rs
045         * @throws SQLException
046         */
047        public void setOldRow(ResultSet rs) throws SQLException
048        {
049            if (oldRow != null)
050            {
051                return;
052            }
053            int count = rs.getMetaData().getColumnCount();
054            oldRow = new Object[count - 5];
055            for (int i = 5, j = 0; i <= count - 1; i++)
056            {
057                oldRow[j++] = rs.getObject(i);
058            }
059    
060        }
061    
062    }