function _getTypicalLearningTime($a_obj_id)
{
global $ilObjDataCache;
if ($ilObjDataCache->lookupType($a_obj_id) == 'sahs') {
return parent::_getTypicalLearningTime($a_obj_id);
}
$tlt = 0;
$status_info = ilLPStatusWrapper::_getStatusInfo($a_obj_id);
foreach ($status_info['collections'] as $item) {
$tlt += ilLPStatusWrapper::_getTypicalLearningTime($ilObjDataCache->lookupObjId($item));
}
return $tlt;
}
