Symfony容器：定义未转换为服务

Question

在旧版应用程序中，我们引入了在Definition

中添加Extension的容器

    $serviceId  = ($alias == 'default') ? 'm6_statsd' : 'm6_statsd.'.$alias;
    $definition = new Definition('M6Web\Component\Statsd\Client');
    $definition->setScope(ContainerInterface::SCOPE_CONTAINER);
    $definition->addArgument($usedServers);

    $container->setDefinition($serviceId, $definition);

//编译容器的方法

private function loadContainer()
{
    // Ok that's just plain bad, but at least it works. I need this as a static because controllers can't access application
    // and I can't put container in models because it would be inherited by front office.
    self::$container = new ContainerBuilder();

    $helpscoutExtension = new HelpscoutExtension();
    self::$container->registerExtension($helpscoutExtension);
    self::$container->loadFromExtension($helpscoutExtension->getAlias());

    $statsdExtension = new StatsdExtension();
    self::$container->registerExtension($statsdExtension);
    self::$container->loadFromExtension($statsdExtension->getAlias());

    $loader = new YamlFileLoader(self::$container, new FileLocator(C_PATH_GLOBAL_CONF));
    $loader->load('bov6.yml');

    self::$container->compile();
    dump(self::$container);
}

容器已编译，但是当我转储容器时，它只显示“定义”并且没有可用的服务

我错过了什么？为什么定义没有转化为服务？

Answer 1

如果您没有为服务调用$container->get('service')方法，则表示该服务尚未创建。

首次尝试访问时，会实例化服务。