pushRecursively() onComplete {
        case Failure(ex) =>
          onError(ex)
          context.stop(self)
        case s =>
      }



that's not safe.


On Thu, Apr 9, 2015 at 1:16 PM, Jakub Liska <[email protected]> wrote:

> I do it just via ActorPublisher, the "scroll" method is basically
> asynchronously loading elasticsearch records (classic cursor thingy). It's
> a combination of request demand and asynchronous source of events :
>
>   def receive: Receive = {
>     case Request(n) if totalDemand > 0 && n > 0 && isActive =>
>       def pushRecursively(n: Long = Math.min(n, totalDemand), scrollId: 
> String = lastScrollId): Future[Unit] = {
>
>         scroll(scrollId) flatMap {
>           case (sid, recs) if recs.isEmpty => // empty hits means end of 
> scanning/scrolling
>             onComplete()
>             context.stop(self)
>             Future.successful(())
>           case (sid, recs) =>
>             lastScrollId = sid
>             val contexts = recs.map {
>               case (recId, rec) => EsResource :: Map.empty[String, String] :: 
> recId :: rec :: HNil
>             }
>             onNext(contexts)
>             if (n > 1)
>               pushRecursively(n-1, sid)
>             else
>               Future.successful(())
>         }
>       }
>
>       pushRecursively() onComplete {
>         case Failure(ex) =>
>           onError(ex)
>           context.stop(self)
>         case s =>
>       }
>
>     case Cancel =>
>       context.stop(self)
>   }
> }
>
>  --
> >>>>>>>>>> Read the docs: http://akka.io/docs/
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-- 
Cheers,
√

-- 
>>>>>>>>>>      Read the docs: http://akka.io/docs/
>>>>>>>>>>      Check the FAQ: 
>>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html
>>>>>>>>>>      Search the archives: https://groups.google.com/group/akka-user
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