CourseCredits.php

<?php

class CourseCredits extends Local_Db_CourseTableMany
{
    protected $_primary = 'courseCreditId';
    protected $_rowClass = 'CourseCredit';

    protected static $_instance;
    /**
     * Return the singleton instance of this class
     *
     * @param array $config
     * @return CourseCredits
     */
    static public function getInstance($config = array())
    {
        if(!self::$_instance) {
            self::$_instance = new CourseCredits($config);
        }
        return self::$_instance;
    }

    static public function createWithParentCourse(CourseGeneration $course)
    {
        $me = self::getInstance();
        $config = array('db'    => $me->_db,
                        'table' => $me,
                        'data'  => array('courseGeneration' => $course->getPrimaryKey()));
        $newRecord = new CourseCredit($config);
        return $newRecord;
    }
}

?>