Hi, Akka experts,

     Patrik's solution seems make sense to me.  But I couldn't figure out 
how to code it up, and what exactly APIs I should use to do the series of 
operations. 

     Can anyone point me to a code example if there is any?

Thank you very much.

On Monday, February 17, 2014 2:27:12 AM UTC-8, Patrik Nordwall wrote:
>
> Hi,
>
> You can send an akka.actor.Identify("hello") and the actor will reply with 
> akka.actor.ActorIdentity("hello", Some(actorRef)) message, if it exists.
> If it doesn't exist the reply will be akka.actor.ActorIdentity("hello", 
> None), but this message (as all messages) can be lost and then you will not 
> receive any reply, and then you can retry it.
>
> You need an actor to handle the reply, which you might not have in your 
> Play application. Then you can use ask instead, and act on the 
> Future[ActorIdentity].
>
> Cheers,
> Patrik
>
>
> On Sun, Feb 16, 2014 at 4:01 PM, Ömer Faruk Gül 
> <[email protected]<javascript:>
> > wrote:
>
>> Hi,
>>
>> First of all I'm using akka 2.2 with play 2.2.1. So I don't have access 
>> to method resolveOn.
>>
>> What's the proper way of checking if actor exists and create it if 
>> doesn't exists?
>>
>> So I want to check if the following actorselection exists, what can I do?
>>
>> Akka.system().actorSelection("room-"+room.id)
>>
>> Thanks.
>>
>> -- 
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>
>
>
> -- 
>
> Patrik Nordwall
> Typesafe <http://typesafe.com/> -  Reactive apps on the JVM
> Twitter: @patriknw
>
> 

-- 
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