我正在尝试使用以下方法将容器对象(在控制器中可用)注入到实体中postLoad
lifecycleCallbacks
。论点postLoad
方法是LifecycleEventArgs
。我可以看到容器属性(我想检索)EventManager
of LifecycleEventArgs
根据转储输出,但它似乎是私有财产并且没有getContainer()
中的方法EventManager
。下面是我的代码。
服务.yml
services:
ibw.jobeet.entity.job.container_aware:
class: Ibw\JobeetBundle\Entity\Job
tags:
- { name: doctrine.event_listener, event: postLoad }
Ibw\JobeetBundle\Entity\Job.php
<?php
namespace Ibw\JobeetBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\ORM\Event\LifecycleEventArgs;
use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\DependencyInjection\ContainerAware;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Ibw\JobeetBundle\Utils\Jobeet;
/**
* Job
*/
class Job
{
//....
/**
* @var Container
*/
protected $container;
public function postLoad(LifecycleEventArgs $eventArgs)
{
$entity = $eventArgs->getEntity();
$entityManager = $eventArgs->getEntityManager();
$eventManager = $entityManager->getEventManager();
echo '<pre>';
\Doctrine\Common\Util\Debug::dump($eventManager, 3);
// want to get $eventManager->container here
exit;
}
//....
}
还有其他方法可以找回吗?
您可以使用 setter 注入来调用预定义方法(setContainer()
在本例中)在创建侦听器服务时将容器作为参数:
services:
ibw.jobeet.entity.job.container_aware:
class: Your\Bundle\Doctrine\Event\Listener\JobListener
calls:
- [setContainer, ["@service_container"]]
tags:
- { name: doctrine.event_listener, event: postLoad }
现在容器被注入到侦听器类的构造函数中:
namespace Your\Bundle\Doctrine\Event\Listener;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Doctrine\ORM\Event\LifecycleEventArgs;
class JobListener
{
/** @var ContainerInterface */
protected $container;
/**
* @param ContainerInterface @container
*/
public function setContainer(ContainerInterface $container)
{
$this->container = $container;
}
public function postLoad(LifecycleEventArgs $eventArgs)
{
$entity = $eventArgs->getEntity();
// do something with your entity here i.e.
$entity->setFoo($this->container->getParameter('foo'));
这只是一个例子。请考虑仅注入您真正需要的服务 - 而不是注入容器本身。您将获得更好的可测试性和性能。
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