101 lines
No EOL
3.2 KiB
Java
101 lines
No EOL
3.2 KiB
Java
/**
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* Copyright (C) 2009-2012 Typesafe Inc. <http://www.typesafe.com>
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*/
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package docs.jrouting;
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import akka.routing.RoundRobinRouter;
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import akka.routing.DefaultResizer;
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import akka.remote.routing.RemoteRouterConfig;
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import akka.actor.ActorRef;
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import akka.actor.Props;
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import akka.actor.UntypedActor;
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import akka.actor.ActorSystem;
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import akka.actor.Address;
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import akka.actor.AddressFromURIString;
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import java.util.Arrays;
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public class RouterViaProgramExample {
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public static class ExampleActor extends UntypedActor {
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public void onReceive(Object msg) {
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if (msg instanceof Message) {
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Message message = (Message) msg;
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System.out.println(String.format("Received %s in router %s",
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message.getNbr(), getSelf().path().name()));
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} else {
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unhandled(msg);
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}
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}
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public static class Message {
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private final int nbr;
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public Message(int nbr) {
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this.nbr = nbr;
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}
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public int getNbr() {
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return nbr;
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}
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}
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}
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public static void main(String... args) {
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ActorSystem system = ActorSystem.create("RPE");
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//#programmaticRoutingNrOfInstances
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int nrOfInstances = 5;
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ActorRef router1 = system.actorOf(
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new Props(ExampleActor.class).withRouter(new RoundRobinRouter(nrOfInstances)));
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//#programmaticRoutingNrOfInstances
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for (int i = 1; i <= 6; i++) {
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router1.tell(new ExampleActor.Message(i), null);
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}
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//#programmaticRoutingRoutees
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ActorRef actor1 = system.actorOf(new Props(ExampleActor.class));
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ActorRef actor2 = system.actorOf(new Props(ExampleActor.class));
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ActorRef actor3 = system.actorOf(new Props(ExampleActor.class));
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Iterable<ActorRef> routees = Arrays.asList(
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new ActorRef[] { actor1, actor2, actor3 });
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ActorRef router2 = system.actorOf(
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new Props().withRouter(RoundRobinRouter.create(routees)));
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//#programmaticRoutingRoutees
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for (int i = 1; i <= 6; i++) {
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router2.tell(new ExampleActor.Message(i), null);
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}
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//#programmaticRoutingWithResizer
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int lowerBound = 2;
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int upperBound = 15;
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DefaultResizer resizer = new DefaultResizer(lowerBound, upperBound);
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ActorRef router3 = system.actorOf(
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new Props(ExampleActor.class).withRouter(new RoundRobinRouter(nrOfInstances)));
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//#programmaticRoutingWithResizer
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for (int i = 1; i <= 6; i++) {
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router3.tell(new ExampleActor.Message(i), null);
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}
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//#remoteRoutees
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Address addr1 = new Address("akka", "remotesys", "otherhost", 1234);
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Address addr2 = AddressFromURIString.parse("akka://othersys@anotherhost:1234");
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Address[] addresses = new Address[] { addr1, addr2 };
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ActorRef routerRemote = system.actorOf(new Props(ExampleActor.class)
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.withRouter(new RemoteRouterConfig(new RoundRobinRouter(5), addresses)));
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//#remoteRoutees
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}
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private class CompileCheckJavaDocsForRouting extends UntypedActor {
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@Override
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public void onReceive(Object o) {
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//#reply-with-parent
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getSender().tell("reply", getContext().parent()); // replies go to router
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//#reply-with-parent
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//#reply-with-self
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getSender().tell("reply", getSelf()); // replies go to this actor
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//#reply-with-self
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}
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}
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} |