Hi,
using Await.result will block until the future is resolved. This is why
your calls are sequential. For your purpose, you might want to look into
combining ask with pipe: https://doc.akka.io/docs/akka/2.5/futures.html#
use-with-actors
That is, rather than using ask and pipe between actors, it may make sense
(on a local system) to combine responses from multiple actors together
using e.g. correlation IDs and switching behaviour in between.
Manuel
On 9 February 2018 at 08:21, Tanmoy Bandyopadhyay <tanban1...@gmail.com>
wrote:
> Hello,
>
> I am new to Akka. I am a bit confused with parallel Akka calls from an
> Akka actor. What I was trying to do is to make parallel-concurrent calls to
> two other actors using ask and awaiting for future to get resolved.
>
> public class Actor1 extends UntypedActor {
>
> public void onReceive(Object message) throws Throwable {
> Future<Object> searchFuture1 = ask(actor2, requestMessage,
> FUTURE_ACTOR_TIMEOUT);
> ResponseMessage responseMessage1 = (ResponseMessage)
> Await.result(searchFuture1, Duration.create(FUTURE_ACTOR_TIMEOUT,
> TimeUnit.MILLISECONDS));
>
> Future<Object> searchFuture2 = ask(actor3, requestMessage,
> FUTURE_ACTOR_TIMEOUT);
> ResponseMessage responseMessage2 = (ResponseMessage)
> Await.result(searchFuture2, Duration.create(FUTURE_ACTOR_TIMEOUT,
> TimeUnit.MILLISECONDS));
>
> //logic to merge both the response messages
> }
> }
>
> It looks sequential while making the calls to the separate actors. I want
> the calls(ask) to the actors in parallel. How can I achieve it.?Please help
> me to understand.
>
> Thanks in Advance.
> Tanmoy
>
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