<?php
/*+*******************************************************************************
 *  The contents of this file are subject to the vtiger CRM Public License Version 1.0
 * ("License"); You may not use this file except in compliance with the License
 * The Original Code is:  vtiger CRM Open Source
 * The Initial Developer of the Original Code is vtiger.
 * Portions created by vtiger are Copyright (C) vtiger.
 * All Rights Reserved.
 *
 *********************************************************************************/

require_once 'include/db_backup/StagedBackup.php';

/**
 * Description of BackupSource
 *
 * @author MAK
 */
abstract class BackupSource extends StagedBackup {
	abstract function valid();
	abstract function next();
}
?>