Scala Reactive Programming

Creating an Actor

To create an Actor in Akka, we should first create its runtime environment, that is,  the ActorSystem. We use this ActorSystem to create top-level Actors using the actorOf() function, as shown:

val actorSystem = ActorSystem("SimpleActorSystem")
val actorRef = actorSystem.actorOf(Props[SimpleActor]) // or use the following overloaded actorOf() function   
val actorRef = actorSystem.actorOf(Props[SimpleActor], "Simple") 

Here, ActorSystem.actorOf() takes Props, and we should provide the Actor name as the type annotation.

Like ActorSystem.actorOf() is useful to create top-level Actors; we can also use ActorContext.actorOf() with the same parameters to create subordinate or child Actors. However, we should use this function with ...