/**
  * @param string $methodName
  * @param array  $args
  */
 public function __call($methodName, array $args)
 {
     if (isset(static::$entityClassNames[$methodName])) {
         $className = static::$entityClassNames[$methodName];
         $repository = EntityHelper::getRepository($className);
         $entities = array();
         $ids = $args[0];
         foreach ($ids as $id) {
             $id = EntityHelper::parseCombinedId($className, $id);
             $entities[] = $repository->find($id);
         }
         return $entities;
     }
     throw new \RuntimeException('No save options resolver class found for ' . $methodName);
 }