Examples of ZKClientService

Examples of org.apache.twill.zookeeper.ZKClientService

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    RunId runId = RunIds.fromString(System.getenv(EnvKeys.TWILL_RUN_ID));
    String runnableName = System.getenv(EnvKeys.TWILL_RUNNABLE_NAME);
    int instanceId = Integer.parseInt(System.getenv(EnvKeys.TWILL_INSTANCE_ID));
    int instanceCount = Integer.parseInt(System.getenv(EnvKeys.TWILL_INSTANCE_COUNT));

    ZKClientService zkClientService = ZKClientServices.delegate(
      ZKClients.reWatchOnExpire(
        ZKClients.retryOnFailure(ZKClientService.Builder.of(zkConnectStr).build(),
                                 RetryStrategies.fixDelay(1, TimeUnit.SECONDS))));

    ZKDiscoveryService discoveryService = new ZKDiscoveryService(zkClientService);
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Examples of org.apache.twill.zookeeper.ZKClientService

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    RunId runId = RunIds.fromString(System.getenv(EnvKeys.TWILL_RUN_ID));
    String runnableName = System.getenv(EnvKeys.TWILL_RUNNABLE_NAME);
    int instanceId = Integer.parseInt(System.getenv(EnvKeys.TWILL_INSTANCE_ID));
    int instanceCount = Integer.parseInt(System.getenv(EnvKeys.TWILL_INSTANCE_COUNT));

    ZKClientService zkClientService = ZKClientServices.delegate(
      ZKClients.reWatchOnExpire(
        ZKClients.retryOnFailure(ZKClientService.Builder.of(zkConnectStr).build(),
                                 RetryStrategies.fixDelay(1, TimeUnit.SECONDS))));

    DiscoveryService discoveryService = new ZKDiscoveryService(zkClientService);
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Examples of org.apache.twill.zookeeper.ZKClientService

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    LOG.info("ZKServer: " + zkServer.getConnectionStr());

    try {
      RunId runId = RunIds.generate();
      ZKClientService zkClientService = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      zkClientService.startAndWait();

      Service service = createService(zkClientService, runId);
      service.startAndWait();

      TwillController controller = getController(zkClientService, runId);
      controller.sendCommand(Command.Builder.of("test").build()).get(2, TimeUnit.SECONDS);
      controller.stop().get(2, TimeUnit.SECONDS);

      Assert.assertEquals(ServiceController.State.TERMINATED, controller.state());

      final CountDownLatch terminateLatch = new CountDownLatch(1);
      service.addListener(new ServiceListenerAdapter() {
        @Override
        public void terminated(Service.State from) {
          terminateLatch.countDown();
        }
      }, Threads.SAME_THREAD_EXECUTOR);

      Assert.assertTrue(service.state() == Service.State.TERMINATED || terminateLatch.await(2, TimeUnit.SECONDS));

      zkClientService.stopAndWait();

    } finally {
      zkServer.stopAndWait();
    }
  }
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Examples of org.apache.twill.zookeeper.ZKClientService

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    zkServer.startAndWait();

    LOG.info("ZKServer: " + zkServer.getConnectionStr());
    try {
      RunId runId = RunIds.generate();
      ZKClientService zkClientService = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      zkClientService.startAndWait();

      final CountDownLatch runLatch = new CountDownLatch(1);
      final CountDownLatch stopLatch = new CountDownLatch(1);
      TwillController controller = getController(zkClientService, runId);
      controller.addListener(new ServiceListenerAdapter() {
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Examples of org.apache.twill.zookeeper.ZKClientService

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    zkServer.startAndWait();

    LOG.info("ZKServer: " + zkServer.getConnectionStr());
    try {
      RunId runId = RunIds.generate();
      ZKClientService zkClientService = ZKClientService.Builder.of(zkServer.getConnectionStr()).build();
      zkClientService.startAndWait();

      Service service = createService(zkClientService, runId);
      service.startAndWait();

      final CountDownLatch runLatch = new CountDownLatch(1);
      TwillController controller = getController(zkClientService, runId);
      controller.addListener(new ServiceListenerAdapter() {
        @Override
        public void running() {
          runLatch.countDown();
        }
      }, Threads.SAME_THREAD_EXECUTOR);

      Assert.assertTrue(runLatch.await(2, TimeUnit.SECONDS));

      service.stopAndWait();

      zkClientService.stopAndWait();
    } finally {
      zkServer.stopAndWait();
    }
  }
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Examples of org.apache.twill.zookeeper.ZKClientService

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      new DiscoveryModules().getDistributedModules(),
      new TransactionModules().getDistributedModules(),
      new TransactionClientModule()
    );

    ZKClientService zkClient = injector.getInstance(ZKClientService.class);
    zkClient.startAndWait();

    try {
      TransactionServiceClient client = injector.getInstance(TransactionServiceClient.class);
      LOG.info("Starting tx...");
      Transaction tx = client.startShort();
      if (verbose) {
        LOG.info("Started tx details: " + tx.toString());
      } else {
        LOG.info("Started tx: " + tx.getWritePointer() +
                   ", readPointer: " + tx.getReadPointer() +
                   ", invalids: " + tx.getInvalids().length +
                   ", inProgress: " + tx.getInProgress().length);
      }
      LOG.info("Checking if canCommit tx...");
      boolean canCommit = client.canCommit(tx, Collections.<byte[]>emptyList());
      LOG.info("canCommit: " + canCommit);
      if (canCommit) {
        LOG.info("Committing tx...");
        boolean committed = client.commit(tx);
        LOG.info("Committed tx: " + committed);
        if (!committed) {
          LOG.info("Aborting tx...");
          client.abort(tx);
          LOG.info("Aborted tx...");
        }
      } else {
        LOG.info("Aborting tx...");
        client.abort(tx);
        LOG.info("Aborted tx...");
      }
    } finally {
      zkClient.stopAndWait();
    }
  }
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Examples of org.apache.twill.zookeeper.ZKClientService

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    int replicationFactor = cConf.getInt(KafkaConstants.ConfigKeys.REPLICATION_FACTOR,
                                         KafkaConstants.DEFAULT_REPLICATION_FACTOR);
    LOG.info("Using replication factor {}", replicationFactor);

    if (zkNamespace != null) {
      ZKClientService client = ZKClientService.Builder.of(zkConnectStr).build();
      try {
        client.startAndWait();

        String path = "/" + zkNamespace;
        LOG.info(String.format("Creating zookeeper namespace %s", path));

        ZKOperations.ignoreError(
          client.create(path, null, CreateMode.PERSISTENT),
          KeeperException.NodeExistsException.class, path).get();

        client.stopAndWait();
        zkConnectStr = String.format("%s/%s", zkConnectStr, zkNamespace);
      } catch (Exception e) {
        throw Throwables.propagate(e);
      } finally {
        client.stopAndWait();
      }
    }

    int brokerId = generateBrokerId(address);
    LOG.info(String.format("Initializing server with broker id %d", brokerId));
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Examples of org.apache.twill.zookeeper.ZKClientService

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      new DiscoveryModules().getDistributedModules(),
      new TransactionModules().getDistributedModules(),
      new TransactionClientModule()
    );

    ZKClientService zkClient = injector.getInstance(ZKClientService.class);
    zkClient.startAndWait();

    try {
      TransactionServiceClient client = injector.getInstance(TransactionServiceClient.class);
      LOG.info("Starting tx...");
      Transaction tx = client.startShort();
      if (verbose) {
        LOG.info("Started tx details: " + tx.toString());
      } else {
        LOG.info("Started tx: " + tx.getWritePointer() +
                   ", readPointer: " + tx.getReadPointer() +
                   ", invalids: " + tx.getInvalids().length +
                   ", inProgress: " + tx.getInProgress().length);
      }
      LOG.info("Checking if canCommit tx...");
      boolean canCommit = client.canCommit(tx, Collections.<byte[]>emptyList());
      LOG.info("canCommit: " + canCommit);
      if (canCommit) {
        LOG.info("Committing tx...");
        boolean committed = client.commit(tx);
        LOG.info("Committed tx: " + committed);
        if (!committed) {
          LOG.info("Aborting tx...");
          client.abort(tx);
          LOG.info("Aborted tx...");
        }
      } else {
        LOG.info("Aborting tx...");
        client.abort(tx);
        LOG.info("Aborted tx...");
      }
    } finally {
      zkClient.stopAndWait();
    }
  }
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Examples of org.apache.twill.zookeeper.ZKClientService

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      new DiscoveryModules().getDistributedModules(),
      new TransactionModules().getDistributedModules(),
      new TransactionClientModule()
    );

    ZKClientService zkClientService = injector.getInstance(ZKClientService.class);
    zkClientService.startAndWait();

    // start a tx server
    txService = injector.getInstance(TransactionService.class);
    Future<?> future = Services.getCompletionFuture(txService);
    try {
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