Package org.apache.s4.comm.topology

Examples of org.apache.s4.comm.topology.Assignment

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    @Test
    public void test() throws Exception {

        Injector injector = Guice.createInjector(new Module());
        FluentApp myApp = injector.getInstance(FluentApp.class);
        Sender sender = injector.getInstance(Sender.class);
        Receiver receiver = injector.getInstance(Receiver.class);
        myApp.setCommLayer(sender, receiver);

        /* Normally. the container will handle this but this is just a test. */
        myApp.init();
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    public static void main(String[] args) {

        Injector injector = Guice.createInjector(new Module());
        MyApp myApp = injector.getInstance(MyApp.class);
        Sender sender = injector.getInstance(Sender.class);
        Receiver receiver = injector.getInstance(Receiver.class);
        myApp.setCommLayer(sender, receiver);
        myApp.init();
        myApp.start();
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    }

    protected void recover() {
        byte[] serializedState = null;
        try {
            serializedState = getApp().getCheckpointingFramework().fetchSerializedState(new CheckpointId(this));
        } catch (RuntimeException e) {
            logger.error("Cannot fetch serialized stated for [{}/{}]: {}", new String[] {
                    getPrototype().getClass().getName(), getId(), e.getMessage() });
        }
        if (serializedState == null) {
            return;
        }
        try {
            ProcessingElement peInOldState = deserializeState(serializedState);
            restoreState(peInOldState);
        } catch (RuntimeException e) {
            logger.error("Cannot restore state for key [" + new CheckpointId(this) + "]: " + e.getMessage(), e);
        }
    }
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                        public void uncaughtException(Thread t, Throwable e) {
                            logger.error("Expection from checkpointing thread", e);
                        }
                    }).setNameFormat("Checkpointing-trigger-" + getClass().getSimpleName()).build();
            checkpointingTimer = Executors.newSingleThreadScheduledExecutor(threadFactory);
            checkpointingTimer.scheduleAtFixedRate(new CheckpointingTask(this), checkpointingConfig.frequency,
                    checkpointingConfig.frequency, checkpointingConfig.timeUnit);
            logger.debug(
                    "Started checkpointing timer for PE prototype [{}], ID [{}] with interval [{}] [{}].",
                    new String[] { this.getClass().getName(), id, String.valueOf(checkpointingConfig.frequency),
                            String.valueOf(checkpointingConfig.timeUnit.toString()) });
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public class OverloadDispatcherTest {

    @Test
    public void testDispatchWithEventHierarchies() throws Exception {
        OverloadDispatcherGenerator gen = new OverloadDispatcherGenerator(A.class);
        OverloadDispatcher dispatcher = (OverloadDispatcher) gen.generate().newInstance();
        A a = new A();
        // input events
        dispatcher.dispatchEvent(a, new Event1());
        Assert.assertEquals(Event1.class, a.processedEventClass);
        dispatcher.dispatchEvent(a, new Event1a());
        Assert.assertEquals(Event1a.class, a.processedEventClass);
        dispatcher.dispatchEvent(a, new Event2());
        Assert.assertEquals(Event2.class, a.processedEventClass);
      
        // trigger events
        dispatcher.dispatchTrigger(a, new Event2());
        Assert.assertEquals(Event2.class, a.processedTriggerEventClass);
        Assert.assertTrue(a.processedTriggerThroughGenericMethod);
        dispatcher.dispatchTrigger(a, new Event1());
        Assert.assertEquals(Event1.class, a.processedTriggerEventClass);
        Assert.assertFalse(a.processedTriggerThroughGenericMethod);
    }
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    }
   
    @Test
    public void testDispatchWithSingleMethod() throws Exception {
        OverloadDispatcherGenerator gen = new OverloadDispatcherGenerator(C.class);
        OverloadDispatcher dispatcher = (OverloadDispatcher) gen.generate().newInstance();
        C c = new C();
        dispatcher.dispatchEvent(c, new Event2());
        Assert.assertFalse(c.processedEvent1Class);
        dispatcher.dispatchEvent(c, new Event1());
        Assert.assertTrue(c.processedEvent1Class);
    }
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        try {
            ByteArrayOutputStream tmpOut = new ByteArrayOutputStream();
            System.setOut(new PrintStream(tmpOut));

            OverloadDispatcherGenerator gen = new OverloadDispatcherGenerator(B.class);
            OverloadDispatcher dispatcher = (OverloadDispatcher) gen.generate().newInstance();
            B b = new B();
            dispatcher.dispatchEvent(b, new Event1());
            String output = tmpOut.toString().trim();
            // use DOTALL to ignore previous lines in output debug mode
            Assert.assertTrue(Pattern.compile("^.+OverloadDispatcher\\d+ - Cannot dispatch event "
                    + "of type \\[" + Event1.class.getName() + "\\] to PE of type \\[" + B.class.getName()
                    + "\\] : no matching onEvent method found$", Pattern.DOTALL).matcher(output).matches());
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    transient private CheckpointingConfig checkpointingConfig = new CheckpointingConfig.Builder(CheckpointingMode.NONE)
            .build();

    protected ProcessingElement() {
        OverloadDispatcherGenerator oldg = new OverloadDispatcherGenerator(this.getClass());
        Class<?> overloadDispatcherClass = oldg.generate();
        try {
            overloadDispatcher = (OverloadDispatcher) overloadDispatcherClass.newInstance();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
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                for (String namedParam : mainArgs.extraNamedParameters) {
                    namedParameters.put(namedParam.split("[=]")[0].trim(),
                            namedParam.substring(namedParam.indexOf('=') + 1).trim());
                }
                combinedModule = Modules.override(combinedModule).with(new ParametersInjectionModule(namedParameters));
            }

            injector = Guice.createInjector(combinedModule);

            if (mainArgs.appClass != null) {
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        cleanupZkBasedTest();
    }

    protected CountDownLatch createTriggerAppAndSendEvent() throws IOException, KeeperException, InterruptedException {
        final ZooKeeper zk = CommTestUtils.createZkClient();
        Injector injector = Guice.createInjector(new MockCommModule(), new MockCoreModule());
        app = injector.getInstance(TriggeredApp.class);
        app.init();
        app.start();
        // app.close();
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