/**
  * {@inheritDoc}
  */
 public function load(ObjectManager $manager)
 {
     $this->manager = $manager;
     $members = $manager->getRepository('ESNMembersBundle:Member')->findAll();
     $trips = $manager->getRepository('ESNAdministrationBundle:Trip')->findAll();
     foreach ($members as $member) {
         $participateTrip = new ParticipateTrip();
         $participateTrip->setDateInscription(new \DateTime());
         $participateTrip->setMembers($manager->getRepository('ESNMembersBundle:Member')->find($members[rand(0, count($members) - 1)]));
         $participateTrip->setTrips($manager->getRepository('ESNAdministrationBundle:Trip')->find($trips[rand(0, count($trips) - 1)]));
         $this->manager->persist($participateTrip);
     }
     $this->manager->flush();
 }