class.ilCourseObjectiveResultCache.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program 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.                      |
        |                                                                             |
        | This program 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 this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/
 
include_once('./Modules/Course/classes/class.ilCourseObjectiveResult.php');
 
class ilCourseObjectiveResultCache
{
        private static $suggested = null;
        private static $status = null;
        
        
        public static function isSuggested($a_usr_id,$a_crs_id,$a_objective_id)
        {
                if(!is_array(self::$suggested[$a_usr_id][$a_crs_id]))
                {
                        self::$suggested[$a_usr_id][$a_crs_id] = self::readSuggested($a_usr_id,$a_crs_id);
                }
                return in_array($a_objective_id,self::$suggested[$a_usr_id][$a_crs_id]) ? true : false;
        }
        
        public static function getStatus($a_usr_id,$a_crs_id)
        {
                if(isset(self::$status[$a_usr_id][$a_crs_id]))
                {
                        return self::$status[$a_usr_id][$a_crs_id];
                }
                $tmp_res = new ilCourseObjectiveResult($a_usr_id);
                return self::$status[$a_usr_id][$a_crs_id] = $tmp_res->getStatus($a_crs_id);
        }
        
        
        protected function readSuggested($a_usr_id,$a_crs_id)
        {
                return ilCourseObjectiveResult::_getSuggested($a_usr_id,$a_crs_id,self::getStatus($a_usr_id,$a_crs_id));
        }
}
?>