Examples with Mp net.dempsy.lifecycle.annotation.Mp used on opensource projects

Example 16 with Mp

use of net.dempsy.lifecycle.annotation.Mp in project Dempsy by Dempsy.

the class TestContainer method testEvictable.

@Test
public void testEvictable() throws Exception {
    final TestProcessor mp = createAndGet("foo");
    final TestProcessor prototype = context.getBean(TestProcessor.class);
    final int tmpCloneCount = prototype.cloneCount.intValue();
    mp.evict.set(true);
    container.evict();
    final TestAdaptor adaptor = context.getBean(TestAdaptor.class);
    adaptor.dispatcher.dispatchAnnotated(new ContainerTestMessage("foo"));
    assertTrue(poll(o -> prototype.cloneCount.intValue() > tmpCloneCount));
    Thread.sleep(1000);
    assertEquals("Clone count, 2nd message", tmpCloneCount + 1, prototype.cloneCount.intValue());
}

Example 17 with Mp

use of net.dempsy.lifecycle.annotation.Mp in project Dempsy by Dempsy.

the class TestContainer method testEvictableWithBusyMp.

@Test
public void testEvictableWithBusyMp() throws Throwable {
    final TestProcessor mp = createAndGet("foo");
    // now we're going to cause the processing to be held up.
    mp.latch = new CountDownLatch(1);
    // allow eviction
    mp.evict.set(true);
    // sending it a message will now cause it to hang up while processing
    final TestAdaptor adaptor = context.getBean(TestAdaptor.class);
    adaptor.dispatcher.dispatchAnnotated(new ContainerTestMessage("foo"));
    final TestProcessor prototype = context.getBean(TestProcessor.class);
    // keep track of the cloneCount for later checking
    final int tmpCloneCount = prototype.cloneCount.intValue();
    // invocation count should go to 2
    assertTrue(poll(mp, o -> o.invocationCount == 2));
    // now kick off the evict in a separate thread since we expect it to hang
    // until the mp becomes unstuck.
    // this will allow us to see the evict pass complete
    final AtomicBoolean evictIsComplete = new AtomicBoolean(false);
    final Thread thread = new Thread(new Runnable() {

        @Override
        public void run() {
            container.evict();
            evictIsComplete.set(true);
        }
    });
    thread.start();
    // now check to make sure eviction doesn't complete.
    // just a little to give any mistakes a change to work themselves through
    Thread.sleep(100);
    // make sure eviction didn't finish
    assertFalse(evictIsComplete.get());
    // this lets it go
    mp.latch.countDown();
    // wait until the eviction completes
    assertTrue(poll(evictIsComplete, o -> o.get()));
    Thread.sleep(100);
    assertEquals("activation count, 2nd message", 1, mp.activationCount);
    assertEquals("invocation count, 2nd message", 2, mp.invocationCount);
    adaptor.dispatcher.dispatchAnnotated(new ContainerTestMessage("foo"));
    assertTrue(poll(o -> prototype.cloneCount.intValue() > tmpCloneCount));
    Thread.sleep(1000);
    assertEquals("Clone count, 2nd message", tmpCloneCount + 1, prototype.cloneCount.intValue());
}

Example 18 with Mp

use of net.dempsy.lifecycle.annotation.Mp in project Dempsy by Dempsy.

the class TestContainer method testFeedbackLoop.

@Test
public void testFeedbackLoop() throws Exception {
    cache = new ConcurrentHashMap<>();
    final TestAdaptor adaptor = context.getBean(TestAdaptor.class);
    assertNotNull(adaptor.dispatcher);
    adaptor.dispatcher.dispatchAnnotated(new MyMessage("foo"));
    assertTrue(poll(o -> container.getProcessorCount() > 0));
    Thread.sleep(100);
    assertEquals("did not create MP", 1, container.getProcessorCount());
    assertTrue(poll(cache, c -> c.get("foo") != null));
    final TestProcessor mp = cache.get("foo");
    assertNotNull("MP not associated with expected key", mp);
    assertTrue(poll(mp, o -> o.invocationCount > 1));
    assertEquals("activation count, 1st message", 1, mp.activationCount);
    assertEquals("invocation count, 1st message", 2, mp.invocationCount);
    adaptor.dispatcher.dispatchAnnotated(new ContainerTestMessage("foo"));
    assertTrue(poll(mp, o -> o.invocationCount > 2));
    Thread.sleep(100);
    assertEquals("activation count, 2nd message", 1, mp.activationCount);
    assertEquals("invocation count, 2nd message", 3, mp.invocationCount);
}

Example 19 with Mp

use of net.dempsy.lifecycle.annotation.Mp in project Dempsy by Dempsy.

the class TestAlmostSimple method testSimple.

@Test
public void testSimple() throws Exception {
    final MpEven mpEven = new MpEven();
    final MpOdd mpOdd = new MpOdd();
    final AtomicLong count = new AtomicLong(0);
    Adaptor adaptor = null;
    try (final DefaultThreadingModel tm = new DefaultThreadingModel("TB", -1, 1);
        final NodeManager nm = new NodeManager()) {
        final Node n = new Node.Builder("test-app").defaultRoutingStrategyId("net.dempsy.router.simple").containerTypeId(containerTypeId).receiver(new Dummy()).cluster("start").adaptor(adaptor = new Adaptor() {

            private Dispatcher disp;

            boolean done = false;

            int cur = 0;

            AtomicBoolean exitedLoop = new AtomicBoolean(false);

            @Override
            public void stop() {
                done = true;
                while (!exitedLoop.get()) Thread.yield();
            }

            @Override
            public void start() {
                try {
                    while (!done) {
                        uncheck(() -> disp.dispatchAnnotated(new Message(cur++)));
                        count.incrementAndGet();
                    }
                } finally {
                    exitedLoop.set(true);
                }
            }

            @Override
            public void setDispatcher(final Dispatcher dispatcher) {
                this.disp = dispatcher;
            }
        }).cluster("mpEven").mp(new MessageProcessor<>(mpEven)).evictionFrequency(1, TimeUnit.SECONDS).cluster("mpOdd").mp(new MessageProcessor<>(mpOdd)).build();
        nm.node(n).collaborator(new LocalClusterSessionFactory().createSession()).threadingModel(tm.start(n.application));
        nm.start();
        assertTrue(ConditionPoll.poll(c -> count.get() > 100000));
        // make sure an eviction happened before closing
        // at this point all of the mps should have been checked for eviction
        assertTrue(ConditionPoll.poll(o -> 2 == mpEven.allMps.size()));
        mpEven.allMps.forEach(m -> uncheck(() -> assertTrue(ConditionPoll.poll(o -> m.evictCalled))));
        // now enable them to actually be removed from the container.
        // we need to stop the adaptor or we'll keep recreating them
        adaptor.stop();
        // need to wait for all of the adaptor messages to play through before evicting
        Thread.sleep(2000);
        MpEven.allowEviction.set(true);
        final List<Container> containers = nm.getContainers().stream().filter(c -> "mpEven".equals(c.getClusterId().clusterName)).collect(Collectors.toList());
        assertEquals(1, containers.size());
        final Container container = containers.get(0);
        assertTrue(ConditionPoll.poll(o -> 0 == container.getProcessorCount()));
    }
    Thread.sleep(2000);
    // make sure the messages were distributed correctly.
    assertEquals(2, mpEven.allMps.size());
    assertEquals(2, mpOdd.allMps.size());
    final MpEven mpEvenYes = mpEven.allMps.stream().filter(m -> "yes".equals(m.key)).findAny().get();
    // all messages here should be even numbers
    assertTrue(mpEvenYes.received.stream().allMatch(m -> (m.message & 0x01) == 0));
    final MpEven mpEvenNo = mpEven.allMps.stream().filter(m -> "no".equals(m.key)).findAny().get();
    // all messages here should be odd numbers
    assertTrue(mpEvenNo.received.stream().allMatch(m -> (m.message & 0x01) == 1));
    final MpOdd mpOddYes = mpOdd.allMps.stream().filter(m -> "yes".equals(m.key)).findAny().get();
    // all messages here should be odd numbers
    assertTrue(mpOddYes.received.stream().allMatch(m -> (m.message & 0x01) == 1));
    final MpOdd mpOddNo = mpOdd.allMps.stream().filter(m -> "no".equals(m.key)).findAny().get();
    // all messages here should be even numbers
    assertTrue(mpOddNo.received.stream().allMatch(m -> (m.message & 0x01) == 0));
}