Hi John, you’ll need to tell javac a bit more about that Broadcast by saying
Broadcast.<Integer> create(2) Regards, Roland > 18 jan 2016 kl. 10:25 skrev [email protected]: > > > Just curious the following code (adapted from > "http://doc.akka.io/docs/akka-stream-and-http-experimental/2.0.2/java/stream-graphs.html";) > compile fails with > an Error: > java: incompatible types: > akka.stream.UniformFanOutShape<java.lang.Object,java.lang.Object> cannot be > converted to > akka.stream.UniformFanOutShape<java.lang.Integer,java.lang.Integer> > > if I change > final UniformFanOutShape<Integer, Integer> bcast = > (UniformFanOutShape<Integer, Integer>)builder.add(Broadcast.create(2)); > to > final UniformFanOutShape<Integer, Integer> bcast = > builder.add(Broadcast.create(2)); > > everything works. > > Can Anybody explain to me what's the reason? > > > import akka.stream.ClosedShape; > > import akka.stream.UniformFanOutShape; > import akka.stream.javadsl.*; > import scala.concurrent.Future; > import java.util.List; > > public class Main { > > public static void main(String[] args) { > final Sink<List<String>, Future<List<String>>> sink = Sink.head(); > > > final RunnableGraph<Future<List<String>>> result = > RunnableGraph.<Future<List<String>>>fromGraph( > GraphDSL > .create( > sink, > (builder, out) -> { > final UniformFanOutShape<Integer, Integer> > bcast = (UniformFanOutShape<Integer, > Integer>)builder.add(Broadcast.create(2)); > return ClosedShape.getInstance(); > })); > > } > } > > -- > >>>>>>>>>> Read the docs: http://akka.io/docs/ <http://akka.io/docs/> > >>>>>>>>>> Check the FAQ: > >>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html > >>>>>>>>>> <http://doc.akka.io/docs/akka/current/additional/faq.html> > >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user > >>>>>>>>>> <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] > <mailto:[email protected]>. > To post to this group, send email to [email protected] > <mailto:[email protected]>. > Visit this group at https://groups.google.com/group/akka-user > <https://groups.google.com/group/akka-user>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. Dr. Roland Kuhn Akka Tech Lead Typesafe <http://typesafe.com/> – Reactive apps on the JVM. twitter: @rolandkuhn <http://twitter.com/#!/rolandkuhn> -- >>>>>>>>>> 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 https://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
