Package akka.actor

Examples of akka.actor.Props

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  public void creatingPropsIllegal() {
    //#creating-props-illegal
    // This will throw an IllegalArgumentException since some runtime
    // type information of the lambda is erased.
    // Use Props.create(actorClass, Creator) instead.
    Props props = Props.create(() -> new ActorWithArgs("arg"));
    //#creating-props-illegal
  }
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    EventFilter[] ignoreExceptions = { ex1, ex2, ex3, ex4 };
    Seq<EventFilter> seq = immutableSeq(ignoreExceptions);
    system.eventStream().publish(new TestEvent.Mute(seq));

    //#create
    Props superprops = Props.create(Supervisor.class);
    ActorRef supervisor = system.actorOf(superprops, "supervisor");
    ActorRef child = (ActorRef) Await.result(ask(supervisor,
      Props.create(Child.class), 5000), timeout);
    //#create
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    public boolean testMe() { return true; }
  }

  @Test
  public void demonstrateTestActorRef() {
    final Props props = Props.create(MyActor.class);
    final TestActorRef<MyActor> ref = TestActorRef.create(system, props, "testA");
    final MyActor actor = ref.underlyingActor();
    assertTrue(actor.testMe());
  }
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  //#test-actor-ref

  @Test
  public void demonstrateAsk() throws Exception {
    //#test-behavior
    final Props props = Props.create(MyActor.class);
    final TestActorRef<MyActor> ref = TestActorRef.create(system, props, "testB");
    final Future<Object> future = akka.pattern.Patterns.ask(ref, "say42", 3000);
    assertTrue(future.isCompleted());
    assertEquals(42, Await.result(future, Duration.Zero()));
    //#test-behavior
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  }

  @Test
  public void demonstrateExceptions() {
    //#test-expecting-exceptions
    final Props props = Props.create(MyActor.class);
    final TestActorRef<MyActor> ref = TestActorRef.create(system, props, "myActor");
    try {
      ref.receive(new Exception("expected"));
      fail("expected an exception to be thrown");
    } catch (Exception e) {
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      // create a test probe
      final JavaTestKit probe = new JavaTestKit(system);

      // create a forwarder, injecting the probe’s testActor
      final Props props = Props.create(Forwarder.class, this, probe.getRef());
      final ActorRef forwarder = system.actorOf(props, "forwarder");

      // verify correct forwarding
      forwarder.tell(42, getRef());
      probe.expectMsgEquals(42);
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    /*
     * Wrap the whole test procedure within a testkit constructor
     * if you want to receive actor replies or use Within(), etc.
     */
    new JavaTestKit(system) {{
      final Props props = Props.create(SomeActor.class);
      final ActorRef subject = system.actorOf(props);

      // can also use JavaTestKit “from the outside”
      final JavaTestKit probe = new JavaTestKit(system);
      // “inject” the probe by passing it to the test subject
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  public void testActivation() {
    //#CamelActivation

    // ..
    ActorSystem system = ActorSystem.create("some-system");
    Props props = Props.create(MyConsumer.class);
    ActorRef producer = system.actorOf(props,"myproducer");
    Camel camel = CamelExtension.get(system);
    // get a future reference to the activation of the endpoint of the Consumer Actor
    Timeout timeout = new Timeout(Duration.create(10, SECONDS));
    Future<ActorRef> activationFuture = camel.activationFutureFor(producer,
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  @SuppressWarnings("unused")
  @Test
  public void createProps() {
    //#creating-props-config
    Props props1 = Props.create(MyUntypedActor.class);
    Props props2 = Props.create(MyActor.class, "...");
    Props props3 = Props.create(new MyActorC());
    //#creating-props-config
  }
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public class ProducerTestBase {
  public void tellJmsProducer() {
    //#TellProducer
    ActorSystem system = ActorSystem.create("some-system");
    Props props = Props.create(Orders.class);
    ActorRef producer = system.actorOf(props, "jmsproducer");
    producer.tell("<order amount=\"100\" currency=\"PLN\" itemId=\"12345\"/>",
        ActorRef.noSender());
    //#TellProducer
    JavaTestKit.shutdownActorSystem(system);
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