public static void startFrontend(Address joinAddress) {
ActorSystem system = ActorSystem.create(systemName);
Cluster.get(system).join(joinAddress);
ActorRef frontend = system.actorOf(Props.create(Frontend.class), "frontend");
system.actorOf(Props.create(WorkProducer.class, frontend), "producer");
system.actorOf(Props.create(WorkResultConsumer.class), "consumer");
}
@Test
public void testingWithCustomProps() {
TestProbe probe = new TestProbe(system);
Props childProps = Props.create(MockedChild.class);
TestActorRef<DependentParent> parent =
TestActorRef.create(system, Props.create(DependentParent.class, childProps));
probe.send(parent, "pingit");
// test some parent state change
assertTrue(parent.underlyingActor().ponged == true || parent.underlyingActor().ponged == false);
}
@Test
public void testingWithoutParent() {
TestProbe probe = new TestProbe(system);
ActorRef child = system.actorOf(Props.create(DependentChild.class, probe.ref()));
probe.send(child, "ping");
probe.expectMsg("pong");
}
public static void startWorker(Address contactAddress) {
ActorSystem system = ActorSystem.create(systemName);
Set<ActorSelection> initialContacts = new HashSet<ActorSelection>();
initialContacts.add(system.actorSelection(contactAddress + "/user/receptionist"));
ActorRef clusterClient =
system.actorOf(ClusterClient.defaultProps(initialContacts), "clusterClient");
system.actorOf(Worker.props(clusterClient, Props.create(WorkExecutor.class)), "worker");
}
@Test
public void useAsk() throws Exception {
ActorRef testActor = system.actorOf(Props.create(JavaAPITestActor.class), "test");
assertEquals(
"Ask should return expected answer",
JavaAPITestActor.ANSWER,
Await.result(ask(testActor, "hey!", 3000), Duration.create(3, "seconds")));
}
@Test
public void useAskWithActorSelection() throws Exception {
ActorRef testActor = system.actorOf(Props.create(JavaAPITestActor.class), "test2");
ActorSelection selection = system.actorSelection("/user/test2");
ActorIdentity id =
(ActorIdentity)
Await.result(ask(selection, new Identify("yo!"), 3000), Duration.create(3, "seconds"));
assertEquals("Ask (Identify) should return the proper ActorIdentity", testActor, id.getRef());
}
static Props props(final List<Pair<ActorRef, ActorRef>> targetPorts, final Bolt bolt) {
return Props.create(
new Creator<LatencyMonitor>() {
private static final long serialVersionUID = 1L;
public LatencyMonitor create() throws Exception {
return new LatencyMonitor(targetPorts, bolt);
}
});
}
@Test
public void testProbeParentTest() throws Exception {
// #test-TestProbe-parent
JavaTestKit parent = new JavaTestKit(system);
ActorRef child = parent.childActorOf(Props.create(Child.class));
parent.send(child, "ping");
parent.expectMsgEquals("pong");
// #test-TestProbe-parent
}
@Test
public void fabricatedParentTestsItsChildResponses() throws Exception {
// didn't put final on these in order to make the parent fit in one line in the html docs
// #test-fabricated-parent
TestProbe proxy = new TestProbe(system);
ActorRef parent = system.actorOf(Props.create(new FabricatedParentCreator(proxy)));
proxy.send(parent, "ping");
proxy.expectMsg("pong");
// #test-fabricated-parent
}
public Master() {
final ActorRef reader = getContext().actorOf(Props.create(FileReader.class), "fileReader");
final ActorRef writer = getContext().actorOf(Props.create(FileWriter.class), "fileWriter");
receive(
ReceiveBuilder.match(
ReadFile.class,
readFile -> {
reader.tell(new GetMap(), self());
})
.match(
Result.class,
result -> {
writer.tell(result, self());
})
.match(
End.class,
end -> {
context().system().shutdown();
})
.build());
}
public void exampleProdActorFactoryFunction() throws Exception {
// #child-maker-prod
Function<ActorRefFactory, ActorRef> maker =
new Function<ActorRefFactory, ActorRef>() {
@Override
public ActorRef apply(ActorRefFactory f) throws Exception {
return f.actorOf(Props.create(Child.class));
}
};
ActorRef parent = system.actorOf(Props.create(GenericDependentParent.class, maker));
// #child-maker-prod
}
public static void main(String[] args) {
if (args.length != 6) {
System.err.println("Incorrect input args");
System.exit(-1);
}
final String fileName = args[0];
final int minId = Integer.valueOf(args[1]);
final int maxId = Integer.valueOf(args[2]);
final double minAmount = Double.parseDouble(args[3]);
final double maxAmount = Double.parseDouble(args[4]);
final int recordsAmount = Integer.parseInt(args[5]);
final ActorSystem system = ActorSystem.create("FileGeneration");
ActorRef detailsFileWriter =
system.actorOf(Props.create(RandomInformationFileWriter.class), "detailsFileWriter");
system.actorOf(Props.create(Terminator.class, detailsFileWriter), "terminator");
RandomInformationFileWriter.Details details =
new RandomInformationFileWriter.Details(
fileName, minId, maxId, minAmount, maxAmount, recordsAmount);
detailsFileWriter.tell(details, null);
}
// #test-example
static class Parent extends UntypedActor {
final ActorRef child = context().actorOf(Props.create(Child.class), "child");
boolean ponged = false;
@Override
public void onReceive(Object message) throws Exception {
if ("pingit".equals(message)) {
child.tell("ping", self());
} else if ("pong".equals(message)) {
ponged = true;
} else {
unhandled(message);
}
}
}
@Test
public void testingWithChildProbe() throws Exception {
final TestProbe probe = new TestProbe(system);
// #child-maker-test
Function<ActorRefFactory, ActorRef> maker =
new Function<ActorRefFactory, ActorRef>() {
@Override
public ActorRef apply(ActorRefFactory param) throws Exception {
return probe.ref();
}
};
ActorRef parent = system.actorOf(Props.create(GenericDependentParent.class, maker));
// #child-maker-test
probe.send(parent, "pingit");
probe.expectMsg("ping");
}
public static Props props(
ActorRef clusterClient, Props workExecutorProps, FiniteDuration registerInterval) {
return Props.create(Worker.class, clusterClient, workExecutorProps, registerInterval);
}
public static void main(String[] args) {
ActorSystem system = ActorSystem.create("Hello");
ActorRef a = system.actorOf(Props.create(HelloWorld.class), "helloWorld");
system.actorOf(Props.create(Terminator.class, a), "terminator");
}
public static Props props(ActorRef out, String username) {
return Props.create(ChatWebSocketActor.class, out, username);
}
/**
* Create a Props for the specified actorBeanName using the SpringActorProducerByName class.
*
* @param actorClass The name of the actor bean to create Props for
* @return a Props that will create the named actor bean using Spring
*/
public Props props(Class<? extends Actor> actorClass) {
return Props.create(SpringActorProducerByType.class, applicationContext, actorClass);
}
/**
* Create a Props for the specified actorBeanName using the SpringActorProducerByName class.
*
* @param actorBeanName The name of the actor bean to create Props for
* @return a Props that will create the named actor bean using Spring
*/
public Props props(String actorBeanName) {
return Props.create(SpringActorProducerByName.class, applicationContext, actorBeanName);
}