/**
* @param int $a_obj_id
* @return ilParticipants|mixed|null|object
*/
public static function getInstanceByObjId($a_obj_id)
{
$type = ilObject::_lookupType($a_obj_id);
switch ($type) {
case 'crs':
include_once './Modules/Course/classes/class.ilCourseParticipants.php';
return ilCourseParticipants::_getInstanceByObjId($a_obj_id);
case 'grp':
include_once './Modules/Group/classes/class.ilGroupParticipants.php';
return ilGroupParticipants::_getInstanceByObjId($a_obj_id);
case 'sess':
include_once './Modules/Session/classes/class.ilSessionParticipants.php';
return ilSessionParticipants::_getInstanceByObjId($a_obj_id);
default:
include_once 'class.ilAdobeConnectParticipantsNullObject.php';
return new ilAdobeConnectParticipantsNullObject();
}
}
/**
* Get instance by obj type
*
* @param int $a_obj_id
* @return ilParticipants
* @throws InvalidArgumentException
*/
public static function getInstanceByObjId($a_obj_id)
{
$type = ilObject::_lookupType($a_obj_id);
switch ($type) {
case 'crs':
include_once './Modules/Course/classes/class.ilCourseParticipants.php';
return ilCourseParticipants::_getInstanceByObjId($a_obj_id);
case 'grp':
include_once './Modules/Group/classes/class.ilGroupParticipants.php';
return ilGroupParticipants::_getInstanceByObjId($a_obj_id);
case 'sess':
include_once './Modules/Session/classes/class.ilSessionParticipants.php';
return ilSessionParticipants::_getInstanceByObjId($a_obj_id);
default:
$GLOBALS['ilLog']->logStack();
$GLOBALS['ilLog']->write(__METHOD__ . ': Invalid obj_id given: ' . $a_obj_id);
throw new InvalidArgumentException('Invalid obj id given');
}
}