Hi Jelmer, Take a look at this section in the docs: http://doc.akka.io/docs/akka-stream-and-http-experimental/1.0-M4/scala/stream-flows-and-basics.html#Combining_materialized_values
It demonstrates various ways to combine and access the materialized values. -Endre On Tue, Mar 3, 2015 at 3:18 PM, Jelmer Kuperus <[email protected]> wrote: > Ah I missed that! that should work for me i think. Thanks > > Op dinsdag 3 maart 2015 15:05:59 UTC+1 schreef Björn Antonsson: >> >> Hi, >> >> I thought your original question was about getting hold of the ActorRef >> of your ActorProducer so you could communicate with it, and the way to get >> the materialized value of both the Source and the Sink is to use runWith on >> the Flow, and pass in the Source and the Sink. >> >> Here is some pseudocode >> >> val (actorRef, whatever) = flow.runWith(actorProducerSource, >> whateverSink) >> actorRef ! Cancel >> >> B/ >> >> On 3 March 2015 at 14:59:07, Jelmer Kuperus ([email protected]) wrote: >> >> Hi Björn, >> >> I am not sure if i understand you. >> >> The piece of software i am created listens to messages posted to topics, >> when a message arrives we perform some operation (call an external system). >> The flow of messages will never stop. New ones will keep coming in. But >> we still want to bring down a node. >> >> When we do we want to first stop the producer from reading messages of a >> topic and then wait until there are no messages left in flight so we can >> safely shutdown >> >> >> >> Op dinsdag 3 maart 2015 12:12:06 UTC+1 schreef Björn Antonsson: >>> >>> Hi, >>> >>> If you're on 1.0-M4, have you looked at runWith on Flow that takes both >>> a Source and a Sink and give you a Tuple of the materialized values? >>> >>> B/ >>> >>> On 1 March 2015 at 23:23:58, Jelmer Kuperus ([email protected]) wrote: >>> >>> Suppose you have a akka stream backed by an ActorPublisher that >>> listens to a continuous stream of data from a messaging system >>> Then how do you cancel this stream ? >>> >>> When you create the source you pass in the props so you don't have >>> access to the actorref. So you can say, send it a Cancel message >>> >>> Constructing the stream will give you a future and not a Cancellable >>> >>> I am looking for a way to gracefully shut down without losing any >>> messages >>> -- >>> >>>>>>>>>> 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 >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "Akka User List" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at http://groups.google.com/group/akka-user. >>> For more options, visit https://groups.google.com/d/optout. >>> >>> -- >>> Björn Antonsson >>> Typesafe Inc. <http://typesafe.com> – Reactive Apps on the JVM >>> twitter: bantonsson <http://twitter.com/bantonsson> >>> >>> JOIN US. REGISTER TODAY! >>> <http://event.scaladays.org/scaladays-sanfran-2015> >>> Scala <http://event.scaladays.org/scaladays-sanfran-2015> >>> Days <http://event.scaladays.org/scaladays-sanfran-2015> >>> March 16th-18th, <http://event.scaladays.org/scaladays-sanfran-2015> >>> San Francisco <http://event.scaladays.org/scaladays-sanfran-2015> >>> >> -- >> >>>>>>>>>> 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 >> --- >> You received this message because you are subscribed to the Google Groups >> "Akka User List" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/akka-user. >> For more options, visit https://groups.google.com/d/optout. >> >> -- >> Björn Antonsson >> Typesafe Inc. <http://typesafe.com> – Reactive Apps on the JVM >> twitter: bantonsson <http://twitter.com/bantonsson> >> >> JOIN US. REGISTER TODAY! >> <http://event.scaladays.org/scaladays-sanfran-2015> >> Scala <http://event.scaladays.org/scaladays-sanfran-2015> >> Days <http://event.scaladays.org/scaladays-sanfran-2015> >> March 16th-18th, <http://event.scaladays.org/scaladays-sanfran-2015> >> San Francisco <http://event.scaladays.org/scaladays-sanfran-2015> >> > -- > >>>>>>>>>> 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 > --- > You received this message because you are subscribed to the Google Groups > "Akka User List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/akka-user. > For more options, visit https://groups.google.com/d/optout. > -- >>>>>>>>>> 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 --- You received this message because you are subscribed to the Google Groups "Akka User List" group. 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