/**
* Performs the specified access check.
*
* @param string $service_id
* The access check service ID to use.
* @param \Drupal\Component\Utility\ArgumentsResolverInterface $arguments_resolver
* The parametrized arguments resolver instance.
*
* @return \Drupal\Core\Access\AccessResultInterface
* The access result.
*
* @throws \Drupal\Core\Access\AccessException
* Thrown when the access check returns an invalid value.
*/
protected function performCheck($service_id, ArgumentsResolverInterface $arguments_resolver)
{
$callable = $this->checkProvider->loadCheck($service_id);
$arguments = $arguments_resolver->getArguments($callable);
/** @var \Drupal\Core\Access\AccessResultInterface $service_access **/
$service_access = call_user_func_array($callable, $arguments);
if (!$service_access instanceof AccessResultInterface) {
throw new AccessException("Access error in {$service_id}. Access services must return an object that implements AccessResultInterface.");
}
return $service_access;
}
