/**
  * Check if user has permissions to access object.
  *
  * @param object $object
  * @param Parameters $parameters
  * @return boolean
  */
 public function permission($object, $parameters)
 {
     if ($object->shared) {
         return true;
     }
     if (in_array($parameters->getUser(), $object->access)) {
         return true;
     }
     return false;
 }