private void finishCommit(
@Nonnull final ActorRef sender,
@Nonnull final String transactionID,
@Nonnull final CohortEntry cohortEntry) {
LOG.debug(
"{}: Finishing commit for transaction {}", persistenceId(), cohortEntry.getTransactionID());
try {
cohortEntry.commit();
sender.tell(CommitTransactionReply.INSTANCE.toSerializable(), getSelf());
shardMBean.incrementCommittedTransactionCount();
shardMBean.setLastCommittedTransactionTime(System.currentTimeMillis());
} catch (Exception e) {
sender.tell(new akka.actor.Status.Failure(e), getSelf());
LOG.error(
"{}, An exception occurred while committing transaction {}",
persistenceId(),
transactionID,
e);
shardMBean.incrementFailedTransactionsCount();
} finally {
commitCoordinator.currentTransactionComplete(transactionID, true);
}
}
@SuppressWarnings("deprecation")
public static void main(String[] args) {
ActorSystem system = ActorSystem.create("MySystem");
ActorRef myActor = system.actorOf(new Props(MyUntypedActor.class), "myactor");
myActor.tell("hello");
System.out.println(Thread.currentThread().getId() + " World");
}
public void constructGraph(ActorRef[] nodes, ActorRef master) {
for (int i = 0; i < nodes.length; i++) {
ActorRef worker = nodes[i];
InitializeMessage message = new InitializeMessage(nodes, master);
worker.tell(message);
}
}
@Test
public void receiveTimeout() {
ActorSystem system = ActorSystem.create("MySystem");
ActorRef myActor = system.actorOf(new Props(MyReceivedTimeoutUntypedActor.class));
myActor.tell("Hello", null);
system.shutdown();
}
@Test
public void useLoggingActorWithMDC() {
ActorSystem system = ActorSystem.create("MyDiagnosticSystem");
ActorRef mdcActor = system.actorOf(Props.create(MdcActor.class, this));
mdcActor.tell("some request", ActorRef.noSender());
JavaTestKit.shutdownActorSystem(system);
}
protected void createGuest(int count, Drink drink, int maxDrinkCount) {
IntStream.range(0, count)
.forEach(
c -> {
bar.tell(new CocktailBar.CreateGuest(drink, maxDrinkCount), ActorRef.noSender());
});
}
public void doReceive(Object message) {
if (message instanceof StartMessage) {
doingNum++;
} else if (message instanceof SuccessMessage) {
finishNum++;
if (isAllSend && doingNum == finishNum) {
listener.tell(
new FileEncodingCheckResultMessage(
fileEncodingMessage.file,
fileEncodingMessage.index,
fileEncodingMessage.encoding,
true));
// getContext().stop(getSelf());
}
} else if (message instanceof FailMessage) {
listener.tell(
new FileEncodingCheckResultMessage(
fileEncodingMessage.file,
fileEncodingMessage.index,
fileEncodingMessage.encoding,
false));
// getContext().stop(getSelf());
} else if (message instanceof AllStartedMessage) {
isAllSend = true;
} else {
unhandled(message);
}
}
public static void main(String[] args) {
ActorRef actorARef = Actors.actorOf(ActorA.class);
SupervisorFactory factory =
new SupervisorFactory(
new SupervisorConfig(
new OneForOneStrategy(new Class[] {IllegalArgumentException.class}, 3, 5000),
new Supervise[] {new Supervise(actorARef, permanent())}));
Supervisor supervisor = factory.newInstance();
supervisor.start();
actorARef.tell(new Message("message1 before crash"));
actorARef.tell(new Message("message2 before crash"));
// let actorA crash
actorARef.tell(new CrashMessage());
actorARef.tell(new Message("message3 after crash"));
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
}
supervisor.shutdown();
}
/**
* *************************************************************************** BEGIN: Methods to
* handle specificActor communication
*
* <p>taken from original communication pattern from Alex
* ***************************************************************************
*/
public static void answerSpecificActor(BasicActor gridActor, ActorRef sender) {
if (!gridActor.detectCircle()) {
gridActor.reportToParentEnabled = false;
sender.tell(
new DirectAnswerMessage(gridActor.getCurrentTimeStep(), gridActor.upStreamTrace, 0.0),
gridActor.getSelf());
} else {
gridActor.reportToParentEnabled = true;
sender.tell(
new DirectAnswerMessage(gridActor.getCurrentTimeStep(), gridActor.upStreamTrace, 0.0),
gridActor.getSelf());
BasicAnswer basicAnswer =
new BasicAnswer(
gridActor.getCurrentTimeStep(),
gridActor.upStreamTrace,
true,
false,
gridActor.getSelf().path().toString(),
gridActor.answerContent);
gridActor.getContext().parent().tell(basicAnswer, gridActor.getSelf());
}
}
public static void main(String[] args) throws Exception {
ActorSystem _system = ActorSystem.create("BecomeUnbecome");
ActorRef atorPrincipal = _system.actorOf(new Props(Principal.class), "principal");
atorPrincipal.tell("2");
Thread.sleep(2000);
_system.shutdown();
}
@Test
public void useLoggingActor() {
ActorSystem system = ActorSystem.create("MySystem");
ActorRef myActor = system.actorOf(Props.create(MyActor.class, this));
myActor.tell("test", ActorRef.noSender());
JavaTestKit.shutdownActorSystem(system);
}
private void closeActor() {
if (slaveActorRef != null) {
slaveActorRef.tell(new UnregisterSlaveMountPoint(), ActorRef.noSender());
slaveActorRef.tell(PoisonPill.getInstance(), ActorRef.noSender());
slaveActorRef = null;
}
}
public void onReceive(Object message) throws Exception {
System.out.println("----------------------------------------------------------");
if (getSender().equals(getContext().parent())) {
System.out.println("-A-" + getSender()); // == getContext().parent()
System.out.println("-A-" + getSelf());
System.out.println("-A-" + getContext().self());
System.out.println("-A-" + getContext().parent());
if (message instanceof JsonNode) {
System.out.println("-A-" + "GO!");
JsonNode event = (JsonNode) message;
models.ChatRoom.defaultRoom.tell(
new Talk(username, event.get("text").asText()), getSender());
} else {
unhandled(message);
}
} else {
System.out.println("-B-" + getSender());
System.out.println("-B-" + getSelf());
System.out.println("-B-" + getContext().self());
System.out.println("-B-" + getContext().parent());
if (message instanceof ObjectNode) {
System.out.println("-B-" + "GO!");
// JsonNode event = (JsonNode)message;
out.tell(message, ActorRef.noSender());
} else {
unhandled(message);
}
}
}
@Test
public void testTcpWorkerDupAndCancel() {
ActorRef asyncWorker = null;
logger.info("IN testTcpWorkerDupAndCancel");
try {
// Start new job
int actorMaxOperationTimeoutSec = 15;
asyncWorker =
ActorConfig.createAndGetActorSystem()
.actorOf(
Props.create(
TcpWorker.class, actorMaxOperationTimeoutSec, getTcpMetaSample(), LOCALHOST));
final FiniteDuration duration = Duration.create(20, TimeUnit.SECONDS);
Future<Object> future =
Patterns.ask(asyncWorker, RequestWorkerMsgType.PROCESS_REQUEST, new Timeout(duration));
// test dup
asyncWorker.tell(RequestWorkerMsgType.PROCESS_REQUEST, asyncWorker);
// test cancel
asyncWorker.tell(RequestWorkerMsgType.CANCEL, asyncWorker);
ResponseOnSingeRequest response = (ResponseOnSingeRequest) Await.result(future, duration);
logger.info("\nWorker response:" + response.toString());
} catch (Throwable ex) {
logger.error("Exception in test : " + ex);
}
} // end func
public void testSchedule(
final JavaTestKit probe,
Props props,
FiniteDuration startDuration,
FiniteDuration afterRestartDuration) {
Iterable<akka.testkit.EventFilter> filter =
Arrays.asList(
new akka.testkit.EventFilter[] {
(akka.testkit.EventFilter) new ErrorFilter(ArithmeticException.class)
});
try {
system.eventStream().publish(new Mute(filter));
final ActorRef actor = system.actorOf(props);
new Within(startDuration) {
protected void run() {
probe.expectMsgEquals("tick");
probe.expectMsgEquals("tick");
probe.expectMsgEquals("tick");
}
};
actor.tell("restart", getRef());
new Within(afterRestartDuration) {
protected void run() {
probe.expectMsgEquals("tick");
probe.expectMsgEquals("tick");
}
};
system.stop(actor);
} finally {
system.eventStream().publish(new UnMute(filter));
}
}
public void preStart() {
try {
System.out.println("=================================================");
final Timeout timeout = new Timeout(Duration.create(1, SECONDS));
Future<Object> rt =
Patterns.ask(models.ChatRoom.defaultRoom, new Join(username, out), timeout);
String result = (String) Await.result(rt, timeout.duration());
System.out.println("-O-" + getSender());
System.out.println("-O-" + getSelf());
System.out.println("-O-" + getContext().self());
System.out.println("-O-" + getContext().parent());
if ("OK".equals(result)) {
System.out.println("OK!");
// go!
} else {
// Cannot connect, create a Json error.
ObjectNode error = Json.newObject();
error.put("error", result);
// Send the error to the socket.
out.tell(error, null);
System.out.println("ERROR!");
// getContext().parent().tell(PoisonPill.getInstance(), self());
out.tell(PoisonPill.getInstance(), self());
}
} catch (Exception ex) {
ex.printStackTrace();
// force to stop actor
}
}
@Test
public void serializeActorRefs() {
final ActorSystem theActorSystem = ActorSystem.create("whatever");
final ActorRef theActorRef = theActorSystem.deadLetters(); // Of course this should be you
// #actorref-serializer
// Serialize
// (beneath toBinary)
final Address transportAddress = Serialization.currentTransportAddress().value();
String identifier;
// If there is no transportAddress,
// it means that either this Serializer isn't called
// within a piece of code that sets it,
// so either you need to supply your own,
// or simply use the local path.
if (transportAddress == null) identifier = theActorRef.path().toString();
else identifier = theActorRef.path().toStringWithAddress(transportAddress);
// Then just serialize the identifier however you like
// Deserialize
// (beneath fromBinary)
final ActorRef deserializedActorRef = theActorSystem.actorFor(identifier);
// Then just use the ActorRef
// #actorref-serializer
theActorSystem.shutdown();
}
@Override
public void preStart() throws Exception {
log.info("Starting TaskStorage");
clusterProxy = context().system().actorFor(ActorSystemHolder.CLUSTER_PROXY_PATH);
ActorRef mediator = DistributedPubSub.get(getContext().system()).mediator();
mediator.tell(new DistributedPubSubMediator.Subscribe(TOPIC, self()), self());
}
private void sendMessages(ActorSystem system) {
ActorRef service = getService(system);
for (int i = 0; i < 200; i++) {
service.tell(new Bet("ready_player_one", i % 10 + 1, i % 100 + 1));
}
System.out.println("*** SENDING OK");
}
/* initial statistics used for calculating word metadata such as word vectors to train on */
protected void calcWordFrequencies() {
numFiles = countFiles();
CountDownLatch latch = new CountDownLatch(numFiles);
ActorRef fileActor =
system.actorOf(
new RoundRobinPool(Runtime.getRuntime().availableProcessors())
.props(Props.create(VocabCreatorActor.class, this, latch)));
for (File f : rootDir.listFiles()) {
File[] subFiles = f.listFiles();
if (f.isFile()) fileActor.tell(f, fileActor);
else if (subFiles != null)
for (File doc : subFiles) {
if (!doc.isFile()) continue;
fileActor.tell(doc, fileActor);
}
}
try {
latch.await();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
log.info("Done calculating word frequencies");
}
@Test
public void test() throws InterruptedException {
final ActorSystem system = ActorSystem.create("helloakka");
final ActorRef akkaBot = system.actorOf(Props.create(AkkaBotMaster.class), "master");
System.out.println("JavaBotMain Actor System was created");
akkaBot.tell(3, ActorRef.noSender());
Thread.sleep(100);
}
public void onReceive(Object message) {
if (message.equals("job")) {
worker.tell("crunch", getSelf());
} else if (message.equals(SHUTDOWN)) {
worker.tell(PoisonPill.getInstance(), getSelf());
getContext().become(shuttingDown);
}
}
@Test
public void usePoisonPill() {
ActorSystem system = ActorSystem.create("MySystem");
ActorRef myActor = system.actorOf(new Props(MyUntypedActor.class));
// #poison-pill
myActor.tell(PoisonPill.getInstance(), null);
// #poison-pill
system.shutdown();
}
@Override
public void onReceive(Object message) throws Exception {
if (message instanceof Tcp.Received) {
ByteString data = ((Tcp.Received) message).data();
connection.tell(TcpMessage.write(data, new Ack()), getSelf());
} else if (message instanceof Ack) {
connection.tell(TcpMessage.resumeReading(), getSelf());
}
}
@Test
public void contextActorOf() {
// #context-actorOf
ActorSystem system = ActorSystem.create("MySystem");
ActorRef myActor = system.actorOf(new Props(MyUntypedActor.class), "myactor");
// #context-actorOf
myActor.tell("test", null);
system.shutdown();
}
private void handleRequest(JoinRequest req) {
Collection<ActorRef> others = new ArrayList<>(this.others);
others.add(self());
req.getActor().tell(new JoinAck(others, null), self());
for (ActorRef other : this.others) {
other.tell(new NewMember(req.getActor(), req.getUsername()), self());
}
this.others.add(req.getActor());
}
@Test
public void useKill() {
ActorSystem system = ActorSystem.create("MySystem");
ActorRef victim = system.actorOf(new Props(MyUntypedActor.class));
// #kill
victim.tell(Kill.getInstance(), null);
// #kill
system.shutdown();
}
private void observe(final Object message) {
final ActorRef self = self();
final Observe request = (Observe) message;
final ActorRef observer = request.observer();
if (observer != null) {
observers.add(observer);
observer.tell(new Observing(self), self);
}
}
@Override
public void execute(final Object message) throws Exception {
// Notify the observers.
final MediaGroupStateChanged event =
new MediaGroupStateChanged(MediaGroupStateChanged.State.ACTIVE);
for (final ActorRef observer : observers) {
observer.tell(event, source);
}
}
@Override
protected synchronized void removeRegistration() {
if (listenerRegistrationActor != null) {
listenerRegistrationActor.tell(
CloseDataTreeChangeListenerRegistration.getInstance(), ActorRef.noSender());
listenerRegistrationActor = null;
}
dataChangeListenerActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
}