Lemon\RestBundle\DependencyInjection\Compiler\DoctrineRegistryServicePass::process PHP Method

    public function process(ContainerBuilder $container)
    {
        $doctrineServiceId = $container->getParameter('lemon_doctrine_registry_service_id');
        if ($doctrineServiceId != self::DOCTRINE_ORM) {
            $container->removeAlias('lemon_doctrine');
            if (!$container->hasDefinition($doctrineServiceId)) {
                throw new \RuntimeException(sprintf("Service %s is not configured", $doctrineServiceId));
            }
            $container->setAlias("lemon_doctrine", $doctrineServiceId);
        }
    }