pekko/akka-docs/scala/code/docs/routing/RouterViaProgramExample.scala

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1.8 KiB
Scala

/**
* Copyright (C) 2009-2012 Typesafe Inc. <http://www.typesafe.com>
*/
package docs.routing
import akka.routing.RoundRobinRouter
import akka.actor.{ ActorRef, Props, Actor, ActorSystem }
import akka.routing.DefaultResizer
import akka.routing.RemoteRouterConfig
case class Message1(nbr: Int)
class ExampleActor1 extends Actor {
def receive = {
case Message1(nbr) println("Received %s in router %s".format(nbr, self.path.name))
}
}
object RoutingProgrammaticallyExample extends App {
val system = ActorSystem("RPE")
//#programmaticRoutingNrOfInstances
val router1 = system.actorOf(Props[ExampleActor1].withRouter(
RoundRobinRouter(nrOfInstances = 5)))
//#programmaticRoutingNrOfInstances
1 to 6 foreach { i router1 ! Message1(i) }
//#programmaticRoutingRoutees
val actor1 = system.actorOf(Props[ExampleActor1])
val actor2 = system.actorOf(Props[ExampleActor1])
val actor3 = system.actorOf(Props[ExampleActor1])
val routees = Vector[ActorRef](actor1, actor2, actor3)
val router2 = system.actorOf(Props[ExampleActor1].withRouter(
RoundRobinRouter(routees = routees)))
//#programmaticRoutingRoutees
1 to 6 foreach { i router2 ! Message1(i) }
//#programmaticRoutingWithResizer
val resizer = DefaultResizer(lowerBound = 2, upperBound = 15)
val router3 = system.actorOf(Props[ExampleActor1].withRouter(
RoundRobinRouter(resizer = Some(resizer))))
//#programmaticRoutingWithResizer
1 to 6 foreach { i router3 ! Message1(i) }
//#remoteRoutees
import akka.actor.{ Address, AddressFromURIString }
val addresses = Seq(
Address("akka", "remotesys", "otherhost", 1234),
AddressFromURIString("akka://othersys@anotherhost:1234"))
val routerRemote = system.actorOf(Props[ExampleActor1].withRouter(
RemoteRouterConfig(RoundRobinRouter(5), addresses)))
//#remoteRoutees
}