public function getConstraintsLU()
 {
     $idUser = $this->data->id;
     $user = new User($idUser);
     $lus = $user->getConfigData('fnbr20ConstraintsLU');
     $lu = new LU();
     if (is_array($lus) && count($lus)) {
         $result = $lu->listForConstraint($lus)->asQuery()->getResult();
         foreach ($result as $row) {
             $l[] = (object) $row;
         }
         $r = $l;
     } else {
         $r = null;
     }
     $this->renderJson(json_encode($r));
 }