Package org.apache.s4.comm.zk

Examples of org.apache.s4.comm.zk.ZkTaskManager

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    }

    @Override
    protected void onCreate() {
        if (zk == null) {
            zk = new ZkClient("localhost:" + 2181);
        }

    }
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    }

    public static CountDownLatch getConsumerReadySignal(String streamName) {
        final CountDownLatch signalAppReady = new CountDownLatch(1);

        ZkClient zkClient = new ZkClient("localhost:" + CoreTestUtils.ZK_PORT);
        // TODO check a proper app state variable. This is hacky
        zkClient.subscribeChildChanges("/s4/streams/" + streamName + "/consumers", new IZkChildListener() {

            @Override
            public void handleChildChange(String parentPath, List<String> currentChilds) throws Exception {
                if (currentChilds.size() == 1) {
                    signalAppReady.countDown();
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        List<Cluster> clusterStatus = new ArrayList<Cluster>();
        List<Stream> streamStatus = new ArrayList<Stream>();

        try {
            ZkClient zkClient = new ZkClient(statusArgs.zkConnectionString, statusArgs.timeout);
            zkClient.setZkSerializer(new ZNRecordSerializer());

            List<String> clusters = statusArgs.clusters;
            if (clusters == null) {
                // Load all subclusters
                clusters = zkClient.getChildren("/s4/clusters");
            }

            Set<String> app = null;
            Set<String> requiredAppCluster = new HashSet<String>();
            if (statusArgs.apps != null) {
                app = new HashSet<String>(statusArgs.apps);
            }

            for (String clusterName : clusters) {
                try {
                    if (zkClient.exists("/s4/clusters/" + clusterName)) {
                        Cluster cluster = new Cluster(clusterName, zkClient);
                        if (app == null || app.contains(cluster.app.name)) {
                            clusterStatus.add(cluster);
                            requiredAppCluster.add(cluster.clusterName);
                        }
                    } else {
                        logger.error("/s4/clusters/" + clusterName + " doesn't exist");
                    }
                } catch (Exception e) {
                    logger.error("Cannot get the status of " + clusterName, e);
                }
            }

            List<String> streams = statusArgs.streams;
            if (streams == null) {
                // Load all streams published
                streams = zkClient.getChildren("/s4/streams");
            }

            for (String streamName : streams) {
                try {
                    if (zkClient.exists("/s4/streams/" + streamName)) {
                        Stream stream = new Stream(streamName, zkClient);
                        if (app == null) {
                            streamStatus.add(stream);
                        } else {
                            for (String cluster : requiredAppCluster) {
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        taskSetup.cleanUp();
        taskSetup.setUpTasks("1.0.0.0", new String[] { "task0", "task1" });
        Object obj;
        System.out.println(processName + " Going to Wait for a task");
        HashMap<String, String> map = new HashMap<String, String>();
        ZkTaskManager taskManager = new ZkTaskManager(address,
                                                      "/taskmanagerTest",
                                                      ClusterType.S4);
        obj = taskManager.acquireTask(map);
        System.out.println(processName + "taking up task: " + obj);
        File f = new File("c:/" + obj + ".file");
        f.delete();
        while (true) {
            if (f.exists()) {
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        zkTaskSetup.cleanUp();
        zkTaskSetup.setUpTasks("1.0.0.", new String[] { "task0", "task1" });
        Object obj;
        System.out.println(processName + " Going to Wait for a task");
        HashMap<String, String> map = new HashMap<String, String>();
        ZkTaskManager taskManager = new ZkTaskManager(address,
                                                      "/taskmanagerTest",
                                                      ClusterType.S4);
        obj = taskManager.acquireTask(map);
        System.out.println(processName + "taking up task: " + obj);
        File f = new File("c:/" + obj + ".file");
        f.delete();
        while (true) {
            if (f.exists()) {
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            taskManager = new StaticTaskManager(zkaddress,
                                                clusterName,
                                                clusterType,
                                                callbackHandler);
        } else {
            taskManager = new ZkTaskManager(zkaddress,
                                            clusterName,
                                            clusterType,
                                            callbackHandler);
        }
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            } catch (IOException e) {
                throw new DeploymentFailedException("Cannot deploy application [" + appName + "] from URI ["
                        + uri.toString() + "] ", e);
            }
            // install locally
            App loaded = server.loadApp(localS4RFileCopy, appName);
            if (loaded != null) {
                logger.info("Successfully installed application {}", appName);
                // TODO sync with other nodes? (e.g. wait for other apps deployed before starting?
                server.startApp(loaded, appName, clusterName);
            } else {
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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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    @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();
        myApp.start();
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