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Akka/Scala example source code file (InitializationDocSpecJava.java)
The InitializationDocSpecJava.java Akka example source code/** * Copyright (C) 2009-2014 Typesafe Inc. <http://www.typesafe.com> */ package docs.actor; import akka.actor.*; import akka.japi.Procedure; import akka.testkit.AkkaJUnitActorSystemResource; import akka.testkit.JavaTestKit; import org.junit.ClassRule; import org.junit.Test; import scala.Option; public class InitializationDocSpecJava { static public class PreStartInitExample extends UntypedActor { public void onReceive(Object message) throws Exception {} //#preStartInit @Override public void preStart() { // Initialize children here } // Overriding postRestart to disable the call to preStart() // after restarts @Override public void postRestart(Throwable reason) { } // The default implementation of preRestart() stops all the children // of the actor. To opt-out from stopping the children, we // have to override preRestart() @Override public void preRestart(Throwable reason, Option<Object> message) throws Exception { // Keep the call to postStop(), but no stopping of children postStop(); } //#preStartInit } public static class MessageInitExample extends UntypedActor { //#messageInit private String initializeMe = null; @Override public void onReceive(Object message) throws Exception { if (message.equals("init")) { initializeMe = "Up and running"; getContext().become(new Procedure<Object>() { @Override public void apply(Object message) throws Exception { if (message.equals("U OK?")) getSender().tell(initializeMe, getSelf()); } }); } } //#messageInit } @ClassRule public static AkkaJUnitActorSystemResource actorSystemResource = new AkkaJUnitActorSystemResource("InitializationDocSpecJava"); private final ActorSystem system = actorSystemResource.getSystem(); @Test public void testIt() { new JavaTestKit(system) {{ ActorRef testactor = system.actorOf(Props.create(MessageInitExample.class), "testactor"); String probe = "U OK?"; testactor.tell(probe, getRef()); expectNoMsg(); testactor.tell("init", getRef()); testactor.tell(probe, getRef()); expectMsgEquals("Up and running"); }}; } } Other Akka source code examplesHere is a short list of links related to this Akka InitializationDocSpecJava.java source code file: |
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