public function setContainer(ContainerInterface $container = null)
    {
        $this->setEntityManager($container->get('doctrine.orm.entity_manager'));
        $this->setACLPermissionCreatorService($container->get('kunstmaan_node.acl_permission_creator_service'));
        $this->setUserEntityClass($container->getParameter('fos_user.model.user.class'));
    }