Examples with ActorMessage actor4j.core.messages.ActorMessage used on opensource projects

Example 1 with ActorMessage

use of actor4j.core.messages.ActorMessage in project actor4j-core by relvaner.

the class ActorStrategyOnFailure method oneForAll_directive_stop.

protected void oneForAll_directive_stop(ActorCell cell) {
    if (!cell.isRoot()) {
        ActorCell parent = system.cells.get(cell.parent);
        if (parent != null) {
            Iterator<UUID> iterator = parent.children.iterator();
            while (iterator.hasNext()) {
                UUID dest = iterator.next();
                if (!dest.equals(cell.id))
                    system.sendAsDirective(new ActorMessage<>(null, INTERNAL_STOP, parent.id, dest));
            }
            cell.stop();
        }
    } else
        cell.stop();
}

Example 2 with ActorMessage

use of actor4j.core.messages.ActorMessage in project actor4j-core by relvaner.

the class ActorStrategyOnFailure method oneForAll_directive_restart.

protected void oneForAll_directive_restart(ActorCell cell, Exception reason) {
    if (!cell.isRoot()) {
        ActorCell parent = system.cells.get(cell.parent);
        if (parent != null) {
            Iterator<UUID> iterator = parent.children.iterator();
            while (iterator.hasNext()) {
                UUID dest = iterator.next();
                if (!dest.equals(cell.id))
                    system.sendAsDirective(new ActorMessage<>(reason, INTERNAL_RESTART, parent.id, dest));
            }
            cell.preRestart(reason);
        }
    } else
        cell.preRestart(reason);
}

Example 3 with ActorMessage

use of actor4j.core.messages.ActorMessage in project actor4j-core by relvaner.

the class StatelessActorFeature method test.

@Test(timeout = 10000)
public void test() {
    ActorSystem system = new ActorSystem();
    system.setParallelismFactor(2);
    CountDownLatch testDone = new CountDownLatch(system.getParallelismMin() * system.getParallelismFactor());
    ActorGroup group = new ActorGroupSet();
    system.setAlias(system.addActor(() -> new StatelessActor(group) {

        protected boolean first = true;

        @Override
        public void receive(ActorMessage<?> message) {
            logger().debug(String.format("from thread %s of actor %s%n", Thread.currentThread().getName(), self()));
            if (first) {
                testDone.countDown();
                first = false;
            }
        }
    }, system.getParallelismMin() * system.getParallelismFactor()), "instances");
    Timer timer = new Timer();
    timer.schedule(new TimerTask() {

        @Override
        public void run() {
            system.sendViaAlias(new ActorMessage<Object>(null, 0, system.SYSTEM_ID, null), "instances");
        }
    }, 0, 50);
    system.start();
    try {
        testDone.await();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    timer.cancel();
    system.shutdownWithActors(true);
}

Example 4 with ActorMessage

use of actor4j.core.messages.ActorMessage in project actor4j-core by relvaner.

the class PrimarySecondaryActorFeature method test.

@Test(timeout = 2000)
public void test() {
    ActorSystem system = new ActorSystem();
    CountDownLatch testDone = new CountDownLatch(system.getParallelismMin() * system.getParallelismFactor());
    AtomicBoolean primaryReceivedFromSystem = new AtomicBoolean(false);
    AtomicInteger secondaryReceived = new AtomicInteger(0);
    AtomicBoolean primaryReceived = new AtomicBoolean(false);
    ConcurrentActorGroup group = new ConcurrentActorGroup();
    UUID primary = system.addActor(() -> new PrimaryActor("primary", group, "instances", (id) -> () -> new SecondaryActor(group, id) {

        @Override
        public void receive(ActorMessage<?> message) {
            if (message.source == primary) {
                secondaryReceived.incrementAndGet();
                testDone.countDown();
            } else if (message.source == system.SYSTEM_ID)
                publish(message);
        }
    }, system.getParallelismMin() * system.getParallelismFactor() - 1) {

        @Override
        public void preStart() {
            super.preStart();
            group.addAll(hub.getPorts());
        }

        @Override
        public void receive(ActorMessage<?> message) {
            if (message.source == system.SYSTEM_ID) {
                primaryReceivedFromSystem.set(true);
                publish(message);
            } else if (message.tag == 101) {
                primaryReceived.set(true);
                testDone.countDown();
            }
        }
    });
    system.start();
    system.send(new ActorMessage<>(null, 0, system.SYSTEM_ID, primary));
    system.send(new ActorMessage<>(null, 101, system.SYSTEM_ID, group.peek()));
    try {
        testDone.await();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    assertTrue(primaryReceivedFromSystem.get());
    assertEquals(3, secondaryReceived.get());
    assertTrue(primaryReceived.get());
    system.shutdownWithActors(true);
}

Example 5 with ActorMessage

use of actor4j.core.messages.ActorMessage in project actor4j-core by relvaner.

the class PersistenceFeature method test.

@Test(timeout = 10000)
public void test() {
    CountDownLatch testDone = new CountDownLatch(2);
    ActorSystem system = new ActorSystem();
    AtomicBoolean first = new AtomicBoolean(true);
    UUID id = system.addActor(() -> new PersistentActor<MyState, MyEvent>("example") {

        @Override
        public void receive(ActorMessage<?> message) {
            MyEvent event1 = new MyEvent("I am the first event!");
            MyEvent event2 = new MyEvent("I am the second event!");
            saveSnapshot(null, null, new MyState("I am a state!"));
            persist((s) -> logger().debug(String.format("Event: %s", s)), (e) -> logger().error(String.format("Error: %s", e.getMessage())), event1, event2);
            if (first.getAndSet(false))
                tell(null, Actor.RESTART, self());
        }

        @Override
        public void recover(String json) {
            if (!Recovery.isError(json)) {
                logger().debug(String.format("Recovery: %s", json));
                Recovery<MyState, MyEvent> obj = Recovery.convertValue(json, new TypeReference<Recovery<MyState, MyEvent>>() {
                });
                logger().debug(String.format("Recovery: %s", obj.toString()));
                if (first.get())
                    assertEquals("{\"state\":{}}", json);
                else {
                    assertEquals("I am a state!", obj.state.title);
                    assertTrue(obj.events.size() == 2);
                    assertEquals("I am the first event!", obj.events.get(0).title);
                    assertEquals("I am the second event!", obj.events.get(1).title);
                }
                testDone.countDown();
            } else
                logger().error(String.format("Error: %s", Recovery.getErrorMsg(json)));
        }

        @Override
        public UUID persistenceId() {
            /* e.g. https://www.uuidgenerator.net/ */
            return UUID.fromString("60f086af-27d3-44e9-8fd7-eb095c98daed");
        }
    });
    // Drop database
    MongoClient client = new MongoClient("localhost", 27017);
    client.dropDatabase("actor4j-test");
    client.close();
    system.persistenceMode("localhost", 27017, "actor4j-test");
    system.start();
    system.sendWhenActive(new ActorMessage<Object>(null, 0, system.SYSTEM_ID, id));
    try {
        testDone.await();
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    system.shutdownWithActors(true);
}