Package com.google.common.util.concurrent

Examples of com.google.common.util.concurrent.Service$Listener

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    Scheduler scheduler = injector.getInstance(Scheduler.class);
    assertTrue(!scheduler.isStarted());

    boot();
    Service cronLifecycle = injector.getInstance(CronLifecycle.class);

    assertTrue(cronLifecycle.isRunning());
    assertTrue(scheduler.isStarted());

    shutdown.getValue().execute();

    assertTrue(!cronLifecycle.isRunning());
    assertTrue(scheduler.isShutdown());
  }
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                                   Lists.<ProcessSpecification>newLinkedList());
      List<ConsumerSupplier<?>> consumerSuppliers = queueConsumerSupplierBuilder.build();

      // Create the flowlet driver
      AtomicReference<FlowletProgramController> controllerRef = new AtomicReference<FlowletProgramController>();
      Service serviceHook = createServiceHook(flowletName, consumerSuppliers, controllerRef);
      FlowletProcessDriver driver = new FlowletProcessDriver(flowlet, flowletContext, processSpecs,
                                                             createCallback(flowlet, flowletDef.getFlowletSpec()),
                                                             dataFabricFacade, serviceHook);

      FlowletProgramController controller = new FlowletProgramController(program.getName(), flowletName,
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    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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        public void terminated(Service.State from) {
          stopLatch.countDown();
        }
      }, Threads.SAME_THREAD_EXECUTOR);

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

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

      service.stop();

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

    } finally {
      zkServer.stopAndWait();
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    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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  private static final Logger LOG = LoggerFactory.getLogger(ServicesTest.class);

  @Test
  public void testChain() throws ExecutionException, InterruptedException {
    AtomicBoolean transiting = new AtomicBoolean(false);
    Service s1 = new DummyService("s1", transiting);
    Service s2 = new DummyService("s2", transiting);
    Service s3 = new DummyService("s3", transiting);

    Futures.allAsList(Services.chainStart(s1, s2, s3).get()).get();
    Futures.allAsList(Services.chainStop(s3, s2, s1).get()).get();
  }
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    Futures.allAsList(Services.chainStop(s3, s2, s1).get()).get();
  }

  @Test
  public void testCompletion() throws ExecutionException, InterruptedException {
    Service service = new DummyService("s1", new AtomicBoolean());
    ListenableFuture<Service.State> completion = Services.getCompletionFuture(service);

    service.start();
    service.stop();

    completion.get();

    AtomicBoolean transiting = new AtomicBoolean();
    service = new DummyService("s2", transiting);
    completion = Services.getCompletionFuture(service);

    service.startAndWait();
    transiting.set(true);
    service.stop();

    try {
      completion.get();
      Assert.assertTrue(false);
    } catch (ExecutionException e) {
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          ZKClients.retryOnFailure(
            ZKClientService.Builder.of(zkConnect).build(),
            RetryStrategies.fixDelay(1, TimeUnit.SECONDS))));

    Configuration conf = new YarnConfiguration(new HdfsConfiguration(new Configuration()));
    Service service = new ApplicationMasterService(runId, zkClientService, twillSpec,
                                                   new VersionDetectYarnAMClientFactory(conf), createAppLocation(conf));
    new ApplicationMasterMain(String.format("%s/%s/kafka", zkConnect, runId.getId())).doMain(zkClientService, service);
  }
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      runnableSpec, instanceId, discoveryService, discoveryService, instanceCount,
      containerInfo.getMemoryMB(), containerInfo.getVirtualCores()
    );

    Configuration conf = new YarnConfiguration(new HdfsConfiguration(new Configuration()));
    Service service = new TwillContainerService(context, containerInfo,
                                                getContainerZKClient(zkClientService, appRunId, runnableName),
                                                runId, runnableSpec, getClassLoader(),
                                                createAppLocation(conf));
    new TwillContainerMain().doMain(zkClientService, service);
  }
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      runnableSpec, instanceId, discoveryService, instanceCount,
      containerInfo.getMemoryMB(), containerInfo.getVirtualCores()
    );

    Configuration conf = new YarnConfiguration(new HdfsConfiguration(new Configuration()));
    Service service = new TwillContainerService(context, containerInfo,
                                                getContainerZKClient(zkClientService, appRunId, runnableName),
                                                runId, runnableSpec, getClassLoader(),
                                                createAppLocation(conf));
    new TwillContainerMain().doMain(zkClientService, service);
  }
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