我目前正在努力使用scaldi进行依赖项注入来实现我的Akka路由器逻辑。为什么我不能使用scaldi绑定到单个actor实例,因为我的actor是路由器,而我只想拥有一个实例? 我问这个问题的方式是另一个stackoverflow条目。
I´m currently struggeling with implementing my Akka router logic using scaldi for dependency injection. Why cant I bind to a single actor instance with scaldi, since my actor is a router and I only want to have one single instance of it? The way I came to ask this question was another stackoverflow entry.
我的scaldi模块:
My scaldi Module:
class DAOModule extends Module { bind toProvider new UserDaoWorker binding to new UserDaoRouter }这样,仅创建一个实例,并且一旦我多次注入路由器,它就会从sender()方法中获得作为发送者的死信演员。
This way only one instance is created and as soon as I inject my router multiple times it gets a dead letter actor as sender from the sender() method.
当我将绑定更改为...
When I change the binding to...
binding toProvider new UserDaoRouter...它工作得很好,但是每次注入都意味着我路由器的新实例。我对吗?
... it works perfectly fine, but every injection means a new instance of my router. Am I right?
那么我怎么能只拥有一个可注射的路由器实例呢?
So how can I achieve having only a single instance of my router which is injectable?
预先感谢
推荐答案这对我有用:
class DAOModule extends Module { binding toProvider new UserDaoWorker binding toProvider new UserDaoRouter binding identifiedBy 'singletonUserRouter to { implicit val system = inject[ActorSystem] AkkaInjectable.injectActorRef[UserDaoRouter] } }然后在我的控制器中:
val userDaoRouter = inject[ActorRef] ('singletonUserRouter)我希望这会帮助其他人;)
I hope this will help someone else ;)
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为什么我无法使用scaldi绑定到单个actor实例(akka路由器)?
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