/*
This file is part of Cyclos (www.cyclos.org).
A project of the Social Trade Organisation (www.socialtrade.org).
Cyclos is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Cyclos is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Cyclos; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package nl.strohalm.cyclos.setup;
import java.sql.SQLException;
import nl.strohalm.cyclos.utils.JDBCWrapper;
/**
* Classes implementing this interface may be declared on the changelog.xml file to have access to the database connection before the hibernate
* persistence system is loaded. Unlike old migrations (implementing UntraceableMigration) it's main method (execute) should return the number of
* updated rows. All new migration classes should implement this interface.
*
* @author jcomas
*/
public interface TraceableMigration extends Migration {
/**
* Execute arbitrary commands on the database
* @throws SQLException Exception accessing the connection
* @return The number of updated rows.
*/
int execute(JDBCWrapper jdbc) throws SQLException;
}