如何添加从bundle扩展注入服务的setter注入

Question

我在试着对orm理论做一些可选的依赖。根据配置，我希望在alsatian_form.form_event_subscriber.extensible服务中使用setter注入来注入"doctrine.orm.entity_manager“。

<?php

use Symfony\Component\HttpKernel\DependencyInjection\Extension;

class AlsatianFormExtension extends Extension
{
    public function load(array $configs, ContainerBuilder $container)
    {
        $configuration = new Configuration();
        $configFormBundle = $this->processConfiguration($configuration, $configs);
        $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
        $loader->load('services.yml');


        if($configFormBundle['extensible_entity']['enabled']){
            $definition = $container->getDefinition('alsatian_form.form_type.extensible_entity');
            $definition->setPublic(true);
            $definition->addTag('form.type');

            $container->getDefinition('alsatian_form.form_event_subscriber.extensible')
                ->addMethodCall('setEntityManager', array("@doctrine.orm.entity_manager")); // <- here I tried with the same syntax as in YAML configuration files.
        }
    }
}

我想这一定是语法问题，因为我收到的是字符串'@doctrine.orm.entity_manager‘，而不是实体管理器...

Answer 1

刚刚找到了答案here：

use Symfony\Component\DependencyInjection\Reference;

container->getDefinition('alsatian_form.form_event_subscriber.extensible')
                ->addMethodCall('setEntityManager', array(new Reference("doctrine.orm.entity_manager")));

我希望它能帮助一些人。