How to wait for Akka actor system to terminate?

Question

I need to start Akka (2.0) actor system, send in some messages, then wait for it to do heavy lifting. After that, I need to do something unrelated to those actors.

I

Answer 1

How about:

import scala.concurrent.Await
import scala.concurrent.duration._

Await.ready(system.terminate(), 5.seconds)

terminate returns a Future:

def terminate(): Future[Terminated]

and you can just await completion of this future.