Package org.apache.s4.comm.topology

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

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    public App loadApp(File s4r, String appName) {

        // TODO handle application upgrade
        logger.info("Loading application [{}] from file [{}]", appName, s4r.getAbsolutePath());

        S4RLoaderFactory loaderFactory = injector.getInstance(S4RLoaderFactory.class);
        S4RLoader cl = loaderFactory.createS4RLoader(s4r.getAbsolutePath());
        try {
            JarFile s4rFile = new JarFile(s4r);
            if (s4rFile.getManifest() == null) {
                logger.warn("Cannot load s4r archive [{}] : missing manifest file");
                return null;
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    //
    // }

    @Before
    public void prepareEmitter() throws IOException {
        injector = Guice.createInjector(new DefaultCommModule(Resources.getResource("default.s4.comm.properties")
                .openStream(), "cluster1"), new DefaultCoreModule(Resources.getResource("default.s4.core.properties")
                .openStream()));

        emitter = injector.getInstance(TCPEmitter.class);
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    }

    public static Injector createInjectorWithNonFailFastZKClients() throws IOException {
        return Guice.createInjector(Modules.override(
                new DefaultCommModule(Resources.getResource("default.s4.comm.properties").openStream(), "cluster1"),
                new DefaultCoreModule(Resources.getResource("default.s4.core.properties").openStream())).with(
                new NonFailFastZookeeperClientsModule()));
    }
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        super(numTasks);
    }

    public Injector newInjector() {
        try {
            return Guice.createInjector(new DefaultCommModule(Resources.getResource("default.s4.comm.properties")
                    .openStream(), CLUSTER_NAME));
        } catch (IOException e) {
            Assert.fail();
            return null;
        }
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        super(numTasks);
    }

    @Override
    protected Injector newInjector() throws IOException {
        return Guice.createInjector(new DefaultCommModule(Resources.getResource("udp.s4.comm.properties").openStream(),
                "cluster1"), new UDPCommTestModule());
    }
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    public final static String CLUSTER_NAME = "cluster1";

    @Test
    public void test() throws Exception {
        Injector injector = Guice.createInjector(
                new DefaultCommModule(Resources.getResource("default.s4.comm.properties").openStream(), CLUSTER_NAME),
                new DefaultCoreModule(Resources.getResource("default.s4.core.properties").openStream()));
        MyApp myApp = injector.getInstance(MyApp.class);

        /* Normally. the container will handle this but this is just a test. */
        myApp.init();
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        CommTestUtils
                .watchAndSignalCreation("/onEvent@" + time1, signalEvent1Processed, CommTestUtils.createZkClient());

        Injector injector = CoreTestUtils.createInjectorWithNonFailFastZKClients();

        TCPEmitter emitter = injector.getInstance(TCPEmitter.class);

        Event event = new Event();
        event.put("line", String.class, time1);
        emitter.send(0, new EventMessage("-1", "inputStream", injector.getInstance(SerializerDeserializer.class)
                .serialize(event)));

        // check event processed
        Assert.assertTrue(signalEvent1Processed.await(5, TimeUnit.SECONDS));
    }
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        final CountDownLatch signalCheckpointed = new CountDownLatch(1);
        CoreTestUtils.watchAndSignalCreation("/checkpointed", signalCheckpointed, zk);

        Injector injector = CoreTestUtils.createInjectorWithNonFailFastZKClients();

        TCPEmitter emitter = injector.getInstance(TCPEmitter.class);

        Event event = new Event();
        event.put("command", String.class, "setValue1");
        event.put("value", String.class, "message1");
        emitter.send(0, new EventMessage("-1", "inputStream", injector.getInstance(SerializerDeserializer.class)
                .serialize(event)));

        if (manualCheckpointing) {
            insertCheckpointInstruction(injector, emitter);
        }

        Assert.assertTrue(signalCheckpointed.await(10, TimeUnit.SECONDS));

        forkedS4App.destroy();

        zk.delete("/data", -1);

        signalConsumerReady = getConsumerReadySignal("inputStream");
        forkedS4App = CoreTestUtils.forkS4Node(new String[] { "-c", "cluster1", "-appClass",
                S4AppWithManualCheckpointing.class.getName(), "-extraModulesClasses", backendModuleClass.getName() });

        Assert.assertTrue(signalConsumerReady.await(20, TimeUnit.SECONDS));
        // // trigger recovery by sending application event to set value 2
        CountDownLatch signalValue2Set = new CountDownLatch(1);
        CoreTestUtils.watchAndSignalCreation("/value2Set", signalValue2Set, zk);

        event = new Event();
        event.put("command", String.class, "setValue2");
        event.put("value", String.class, "message2");
        emitter.send(0, new EventMessage("-1", "inputStream", injector.getInstance(SerializerDeserializer.class)
                .serialize(event)));

        Assert.assertTrue(signalValue2Set.await(10, TimeUnit.SECONDS));

        Assert.assertEquals(expectedFinalResult, new String(zk.getData("/data", false, null)));
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    @Test
    public void testCheckpointAndRecovery() throws Exception {

        Injector injector = CoreTestUtils.createInjectorWithNonFailFastZKClients();

        TCPEmitter emitter = injector.getInstance(TCPEmitter.class);

        final ZooKeeper zk = CoreTestUtils.createZkClient();

        restartNode();
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    public void prepare() throws IOException, InterruptedException, KeeperException {
        CommTestUtils.cleanupTmpDirs();

        zkFactory = CommTestUtils.startZookeeperServer();

        TaskSetup taskSetup = new TaskSetup("localhost:" + CommTestUtils.ZK_PORT);
        taskSetup.clean("s4");
        taskSetup.setup("cluster1", numTasks, 1300);
    }
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