'git mv' rst resources to md
This is mainly intended to keep the git history as neat as possible. No actual conversion yet, so now both the rst and the paradox docs are broken, which will be fixed in the next commits.
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Arnout Engelen
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/**
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* Copyright (C) 2009-2017 Lightbend Inc. <http://www.lightbend.com>
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*/
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package jdocs.dispatcher;
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import akka.dispatch.ControlMessage;
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import akka.dispatch.RequiresMessageQueue;
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import akka.testkit.AkkaSpec;
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import akka.testkit.javadsl.TestKit;
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import com.typesafe.config.ConfigFactory;
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import docs.dispatcher.DispatcherDocSpec;
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import jdocs.AbstractJavaTest;
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import jdocs.actor.MyBoundedActor;
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import jdocs.actor.MyActor;
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import org.junit.ClassRule;
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import org.junit.Test;
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import scala.concurrent.ExecutionContext;
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//#imports
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import akka.actor.*;
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//#imports
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//#imports-prio
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import akka.event.Logging;
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import akka.event.LoggingAdapter;
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//#imports-prio
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//#imports-prio-mailbox
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import akka.dispatch.PriorityGenerator;
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import akka.dispatch.UnboundedStablePriorityMailbox;
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import akka.testkit.AkkaJUnitActorSystemResource;
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import com.typesafe.config.Config;
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//#imports-prio-mailbox
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//#imports-required-mailbox
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//#imports-required-mailbox
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public class DispatcherDocTest extends AbstractJavaTest {
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@ClassRule
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public static AkkaJUnitActorSystemResource actorSystemResource =
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new AkkaJUnitActorSystemResource("DispatcherDocTest", ConfigFactory.parseString(
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DispatcherDocSpec.javaConfig()).withFallback(ConfigFactory.parseString(
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DispatcherDocSpec.config())).withFallback(AkkaSpec.testConf()));
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private final ActorSystem system = actorSystemResource.getSystem();
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@SuppressWarnings("unused")
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@Test
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public void defineDispatcherInConfig() {
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//#defining-dispatcher-in-config
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ActorRef myActor =
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system.actorOf(Props.create(MyActor.class),
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"myactor");
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//#defining-dispatcher-in-config
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}
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@SuppressWarnings("unused")
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@Test
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public void defineDispatcherInCode() {
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//#defining-dispatcher-in-code
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ActorRef myActor =
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system.actorOf(Props.create(MyActor.class).withDispatcher("my-dispatcher"),
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"myactor3");
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//#defining-dispatcher-in-code
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}
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@SuppressWarnings("unused")
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@Test
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public void defineFixedPoolSizeDispatcher() {
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//#defining-fixed-pool-size-dispatcher
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ActorRef myActor = system.actorOf(Props.create(MyActor.class)
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.withDispatcher("blocking-io-dispatcher"));
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//#defining-fixed-pool-size-dispatcher
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}
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@SuppressWarnings("unused")
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@Test
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public void definePinnedDispatcher() {
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//#defining-pinned-dispatcher
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ActorRef myActor = system.actorOf(Props.create(MyActor.class)
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.withDispatcher("my-pinned-dispatcher"));
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//#defining-pinned-dispatcher
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}
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@SuppressWarnings("unused")
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public void compileLookup() {
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//#lookup
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// this is scala.concurrent.ExecutionContext
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// for use with Futures, Scheduler, etc.
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final ExecutionContext ex = system.dispatchers().lookup("my-dispatcher");
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//#lookup
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}
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@SuppressWarnings("unused")
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@Test
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public void defineMailboxInConfig() {
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//#defining-mailbox-in-config
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ActorRef myActor =
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system.actorOf(Props.create(MyActor.class),
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"priomailboxactor");
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//#defining-mailbox-in-config
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}
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@SuppressWarnings("unused")
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@Test
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public void defineMailboxInCode() {
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//#defining-mailbox-in-code
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ActorRef myActor =
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system.actorOf(Props.create(MyActor.class)
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.withMailbox("prio-mailbox"));
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//#defining-mailbox-in-code
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}
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@SuppressWarnings("unused")
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@Test
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public void usingARequiredMailbox() {
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ActorRef myActor =
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system.actorOf(Props.create(MyBoundedActor.class));
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}
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@Test
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public void priorityDispatcher() throws Exception {
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TestKit probe = new TestKit(system);
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//#prio-dispatcher
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class Demo extends AbstractActor {
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LoggingAdapter log = Logging.getLogger(getContext().getSystem(), this);
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{
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for (Object msg : new Object[] { "lowpriority", "lowpriority",
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"highpriority", "pigdog", "pigdog2", "pigdog3", "highpriority",
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PoisonPill.getInstance() }) {
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getSelf().tell(msg, getSelf());
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}
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}
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@Override
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public Receive createReceive() {
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return receiveBuilder().matchAny(message -> {
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log.info(message.toString());
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}).build();
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}
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}
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// We create a new Actor that just prints out what it processes
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ActorRef myActor = system.actorOf(Props.create(Demo.class, this)
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.withDispatcher("prio-dispatcher"));
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/*
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Logs:
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'highpriority
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'highpriority
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'pigdog
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'pigdog2
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'pigdog3
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'lowpriority
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'lowpriority
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*/
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//#prio-dispatcher
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probe.watch(myActor);
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probe.expectMsgClass(Terminated.class);
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}
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@Test
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public void controlAwareDispatcher() throws Exception {
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TestKit probe = new TestKit(system);
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//#control-aware-dispatcher
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class Demo extends AbstractActor {
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LoggingAdapter log = Logging.getLogger(getContext().getSystem(), this);
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{
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for (Object msg : new Object[] { "foo", "bar", new MyControlMessage(),
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PoisonPill.getInstance() }) {
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getSelf().tell(msg, getSelf());
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}
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}
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@Override
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public Receive createReceive() {
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return receiveBuilder().matchAny(message -> {
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log.info(message.toString());
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}).build();
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}
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}
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// We create a new Actor that just prints out what it processes
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ActorRef myActor = system.actorOf(Props.create(Demo.class, this)
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.withDispatcher("control-aware-dispatcher"));
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/*
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Logs:
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'MyControlMessage
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'foo
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'bar
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*/
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//#control-aware-dispatcher
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probe.watch(myActor);
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probe.expectMsgClass(Terminated.class);
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}
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static
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//#prio-mailbox
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public class MyPrioMailbox extends UnboundedStablePriorityMailbox {
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// needed for reflective instantiation
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public MyPrioMailbox(ActorSystem.Settings settings, Config config) {
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// Create a new PriorityGenerator, lower prio means more important
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super(new PriorityGenerator() {
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@Override
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public int gen(Object message) {
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if (message.equals("highpriority"))
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return 0; // 'highpriority messages should be treated first if possible
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else if (message.equals("lowpriority"))
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return 2; // 'lowpriority messages should be treated last if possible
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else if (message.equals(PoisonPill.getInstance()))
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return 3; // PoisonPill when no other left
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else
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return 1; // By default they go between high and low prio
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}
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});
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}
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}
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//#prio-mailbox
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static
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//#control-aware-mailbox-messages
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public class MyControlMessage implements ControlMessage {}
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//#control-aware-mailbox-messages
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@Test
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public void requiredMailboxDispatcher() throws Exception {
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ActorRef myActor = system.actorOf(Props.create(MyActor.class)
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.withDispatcher("custom-dispatcher"));
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}
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static
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//#require-mailbox-on-actor
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public class MySpecialActor extends AbstractActor implements
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RequiresMessageQueue<MyUnboundedMessageQueueSemantics> {
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//#require-mailbox-on-actor
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@Override
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public Receive createReceive() {
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return AbstractActor.emptyBehavior();
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}
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//#require-mailbox-on-actor
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// ...
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}
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//#require-mailbox-on-actor
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@Test
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public void requiredMailboxActor() throws Exception {
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ActorRef myActor = system.actorOf(Props.create(MySpecialActor.class));
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}
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}
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