/**
  * Updates a participant
  *
  * @param Person $participant
  * @validate $participant \CPSIT\T3eventsReservation\Domain\Validator\ParticipantValidator
  */
 public function updateAction(Person $participant)
 {
     $this->participantRepository->update($participant);
     $this->redirect('edit', self::PARENT_CONTROLLER_NAME, null, ['reservation' => $participant->getReservation()]);
 }