public function executeIndex(sfWebRequest $request)
{
$this->forward404Unless($this->activity = ActivityPeer::retrieveByPk($request->getParameter('activityId')), sprintf('Object activity does not exist (%s).', $request->getParameter('activityId')));
$this->reservationreason_list = ReservationreasonPeer::doSelectFromActivity($this->activity->getId());
if (count($this->reservationreason_list) <= 0) {
$this->redirect('activity/index');
}
}