Package org.apache.s4.comm.topology

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

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     * @param zkString
     *            ZooKeeper connection string (connection to the cluster manager)
     */
    public static void initAppConfig(AppConfig appConfig, String clusterName, boolean deleteIfExists, String zkString) {
        ZkClient zk = new ZkClient(zkString);
        ZkSerializer serializer = new ZNRecordSerializer();
        zk.setZkSerializer(serializer);

        if (zk.exists("/s4/clusters/" + clusterName + "/app/s4App")) {
            if (deleteIfExists) {
                zk.delete("/s4/clusters/" + clusterName + "/app/s4App");
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    @Inject
    public ZkClientProvider(@Named("s4.cluster.zk_address") String zookeeperAddress,
            @Named("s4.cluster.zk_session_timeout") int sessionTimeout,
            @Named("s4.cluster.zk_connection_timeout") int connectionTimeout) {
        zkClient = new ZkClient(zookeeperAddress, sessionTimeout, connectionTimeout);
        ZkSerializer serializer = new ZNRecordSerializer();
        zkClient.setZkSerializer(serializer);
    }
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        // TODO this is currently done offline, and the app contains the TestApp class copied from the one in the
        // current package .

        // 1. start s4 nodes. Check that no app is deployed.
        zkClient = new ZkClient("localhost:" + CommTestUtils.ZK_PORT);
        zkClient.setZkSerializer(new ZNRecordSerializer());

        checkNoAppAlreadyDeployed(zkClient);

        forkedNode = CoreTestUtils.forkS4Node(new String[] { "-cluster=cluster1" }, zkClient, 10, "cluster1");
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        TaskSetup taskSetup2 = new TaskSetup("localhost:" + CommTestUtils.ZK_PORT);
        taskSetup2.setup(CONSUMER_CLUSTER, 1, 1400);

        zkClient = new ZkClient("localhost:" + CommTestUtils.ZK_PORT);
        zkClient.setZkSerializer(new ZNRecordSerializer());
        List<String> processes = zkClient.getChildren("/s4/clusters/" + PRODUCER_CLUSTER + "/process");
        Assert.assertTrue(processes.size() == 0);
        final CountDownLatch signalProcessesReady = new CountDownLatch(1);

        zkClient.subscribeChildChanges("/s4/clusters/" + PRODUCER_CLUSTER + "/process", new IZkChildListener() {
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    private ZkClient zkclient;

    public TaskSetup(String zookeeperAddress) {
        zkclient = new ZkClient(zookeeperAddress);
        zkclient.setZkSerializer(new ZNRecordSerializer());
        if (!zkclient.waitUntilConnected(10, TimeUnit.SECONDS)) {
            throw new RuntimeException("Could not connect to ZooKeeper after 10 seconds.");
        }
    }
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        bind(Integer.class).annotatedWith(Names.named("s4.cluster.zk_session_timeout")).toInstance(10000);
        bind(Integer.class).annotatedWith(Names.named("s4.cluster.zk_connection_timeout")).toInstance(10000);
        bind(Assignment.class).to(AssignmentFromZK.class).asEagerSingleton();

        ZkClient zkClient = new ZkClient(CommTestUtils.ZK_STRING);
        zkClient.setZkSerializer(new ZNRecordSerializer());
        bind(ZkClient.class).toInstance(zkClient);
    }
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        Tools.parseArgs(deployArgs, args);

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

            URI s4rURI = null;

            if (deployArgs.s4rPath != null) {
                s4rURI = new URI(deployArgs.s4rPath);
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        TaskSetup taskSetup = new TaskSetup("localhost:" + CommTestUtils.ZK_PORT);
        taskSetup.clean("s4");
        taskSetup.setup(PRODUCER_CLUSTER, 1, 1300);

        zkClient = new ZkClient("localhost:" + CommTestUtils.ZK_PORT);
        zkClient.setZkSerializer(new ZNRecordSerializer());
        List<String> processes = zkClient.getChildren("/s4/clusters/" + PRODUCER_CLUSTER + "/process");
        Assert.assertTrue(processes.size() == 0);
        final CountDownLatch signalProcessesReady = new CountDownLatch(1);

        zkClient.subscribeChildChanges("/s4/clusters/" + PRODUCER_CLUSTER + "/process", new IZkChildListener() {
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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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