public function defaultAction()
 {
     // On vérifie si l'utilisateur connecté est bien un admin
     $this->isAdmin();
     $O_userMapper = new UserMapper();
     $I_nbrUser = $O_userMapper->countId();
     $O_operatorMapper = new OperatorMapper();
     $I_nbrOperator = $O_operatorMapper->countId();
     $O_inspectorMapper = new InspectorMapper();
     $I_nbrInspector = $O_inspectorMapper->countId();
     $O_profileMapper = new ProfileMapper();
     $I_nbrProfile = $O_profileMapper->countId();
     Buffer::flushBuffer('user/default', array('nbrUser' => $I_nbrUser, 'nbrOperator' => $I_nbrOperator, 'nbrInspector' => $I_nbrInspector, 'nbrProfile' => $I_nbrProfile));
 }