Package org.apache.twill.common

Examples of org.apache.twill.common.ServiceListenerAdapter

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      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);
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    decoratedService.stop();
    callbackExecutor.shutdownNow();
  }

  private void addFinalizer(final Runnable finalizer) {
    addListener(new ServiceListenerAdapter() {
      @Override
      public void terminated(State from) {
        try {
          finalizer.run();
        } catch (Throwable t) {
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    } else {
      LOG.info("Starting {} application", serviceName);
      TwillPreparer twillPreparer = getPreparer();
      twillController = twillPreparer.start();

      twillController.addListener(new ServiceListenerAdapter() {

        @Override
        public void running() {
          if (!dsService.isRunning()) {
            LOG.info("Starting Dataset service");
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   */
  private TwillController addCleanupListener(TwillController controller, final File hConfFile,
                                             final File cConfFile, final Program program, final File programDir) {

    final AtomicBoolean deleted = new AtomicBoolean(false);
    controller.addListener(new ServiceListenerAdapter() {
      @Override
      public void running() {
        cleanup();
      }

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  protected final void doStop() throws Exception {
    twillController.stopAndWait();
  }

  private TwillController.Listener createTwillListener() {
    return new ServiceListenerAdapter() {

      @Override
      public void running() {
        LOG.info("Twill program running: {} {}", programName, twillController.getRunId());
        started();
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    LOG.info("Command ignored {}, {}", name, value);
  }
 
  private void startListen(Service service) {
    // Forward state changes from the given service to this controller.
    service.addListener(new ServiceListenerAdapter() {
      @Override
      public void running() {
        InetSocketAddress endpoint = driver.getServiceEndpoint();
        cancelAnnounce = serviceAnnouncer.announce(serviceName, endpoint.getPort());
        LOG.info("Workflow service {} announced at {}", serviceName, endpoint);
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                             "Cannot change instance count of a flowlet without suspension.");
    flowletContext.setInstanceCount(instanceCount);
  }

  private void listenDriveState(FlowletProcessDriver driver) {
    driver.addListener(new ServiceListenerAdapter() {
      @Override
      public void running() {
        started();
      }
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  public MapReduceContext getContext() {
    return context;
  }

  private void listenToRuntimeState(Service service) {
    service.addListener(new ServiceListenerAdapter() {
      @Override
      public void running() {
        started();
      }
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    leaderElection = new LeaderElection(zkClient, "/tx.service/leader", new ElectionHandler() {
      @Override
      public void leader() {
        // if the txManager fails, we should stop the server
        txManager = txManagerProvider.get();
        txManager.addListener(new ServiceListenerAdapter() {
          @Override
          public void failed(State from, Throwable failure) {
            LOG.error("Transaction manager aborted, stopping transaction service");
            stopAndWait();
          }
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    leaderElection = new LeaderElection(zkClient, "/tx.service/leader", new ElectionHandler() {
      @Override
      public void leader() {
        // if the txManager fails, we should stop the server
        txManager = txManagerProvider.get();
        txManager.addListener(new ServiceListenerAdapter() {
          @Override
          public void failed(State from, Throwable failure) {
            LOG.error("Transaction manager aborted, stopping transaction service");
            stopAndWait();
          }
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Related Classes of org.apache.twill.common.ServiceListenerAdapter

  • co.cask.cdap.common.twill.AbstractMasterTwillRunnable
  • co.cask.cdap.common.twill.TwillRunnerMain
  • co.cask.cdap.data.runtime.main.MasterServiceMain
  • co.cask.cdap.internal.app.runtime.batch.MapReduceProgramController
  • co.cask.cdap.internal.app.runtime.distributed.AbstractDistributedProgramRunner
  • co.cask.cdap.internal.app.runtime.distributed.AbstractTwillProgramController
  • co.cask.cdap.internal.app.runtime.flow.FlowletProgramController
  • co.cask.cdap.internal.app.runtime.spark.SparkProgramController
  • co.cask.cdap.internal.app.runtime.workflow.WorkflowProgramController
  • co.cask.cdap.internal.app.services.AppFabricServer
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