Package org.apache.hadoop.yarn.event

Examples of org.apache.hadoop.yarn.event.Dispatcher

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  @Before
  public void setUp() {
    Configuration conf = new Configuration();
    // Dispatcher that processes events inline
    Dispatcher dispatcher = new InlineDispatcher();
    RMContext context = new RMContextImpl(new MemStore(), dispatcher, null,
        null, null, null);
    dispatcher.register(SchedulerEventType.class,
        new InlineDispatcher.EmptyEventHandler());
    dispatcher.register(RMNodeEventType.class,
        new NodeEventDispatcher(context));
    NMLivelinessMonitor nmLivelinessMonitor = new TestNmLivelinessMonitor(
        dispatcher);
    nmLivelinessMonitor.init(conf);
    nmLivelinessMonitor.start();
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  private NodeId nodeId;

  @Before
  public void setUp() {
    // Dispatcher that processes events inline
    Dispatcher dispatcher = new InlineDispatcher();
    dispatcher.register(SchedulerEventType.class, new EventHandler<Event>() {
      @Override
      public void handle(Event event) {
        ; // ignore
      }
    });
    RMContext context =
        new RMContextImpl(new MemStore(), dispatcher, null, null, null, null);
    dispatcher.register(RMNodeEventType.class,
        new ResourceManager.NodeEventDispatcher(context));
    NodesListManager nodesListManager = new NodesListManager(context);
    Configuration conf = new Configuration();
    nodesListManager.init(conf);
    ContainerTokenSecretManager containerTokenSecretManager =
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    JSONObject json = response.getEntity(JSONObject.class);
    assertEquals("apps isn't NULL", JSONObject.NULL, json.get("containers"));
  }

  private HashMap<String, String> addAppContainers(Application app) {
    Dispatcher dispatcher = new AsyncDispatcher();
    ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
        app.getAppId(), 1);
    Container container1 = new MockContainer(appAttemptId, dispatcher, conf,
        app.getUser(), app.getAppId(), 1);
    Container container2 = new MockContainer(appAttemptId, dispatcher, conf,
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    JSONObject json = response.getEntity(JSONObject.class);
    assertEquals("apps isn't NULL", JSONObject.NULL, json.get("apps"));
  }

  private HashMap<String, String> addAppContainers(Application app) {
    Dispatcher dispatcher = new AsyncDispatcher();
    ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
        app.getAppId(), 1);
    Container container1 = new MockContainer(appAttemptId, dispatcher, conf,
        app.getUser(), app.getAppId(), 1);
    Container container2 = new MockContainer(appAttemptId, dispatcher, conf,
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    JSONObject json = response.getEntity(JSONObject.class);
    assertEquals("apps isn't NULL", JSONObject.NULL, json.get("containers"));
  }

  private HashMap<String, String> addAppContainers(Application app) {
    Dispatcher dispatcher = new AsyncDispatcher();
    ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
        app.getAppId(), 1);
    Container container1 = new MockContainer(appAttemptId, dispatcher, conf,
        app.getUser(), app.getAppId(), 1);
    Container container2 = new MockContainer(appAttemptId, dispatcher, conf,
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  @Before
  public void setUp() {
    Configuration conf = new Configuration();
    // Dispatcher that processes events inline
    Dispatcher dispatcher = new InlineDispatcher();

    dispatcher.register(RMNodeEventType.class,
        new TestRMNodeEventDispatcher());

    RMContext context = new RMContextImpl(dispatcher, null,
        null, null, null, null, null, null, null);
    dispatcher.register(SchedulerEventType.class,
        new InlineDispatcher.EmptyEventHandler());
    dispatcher.register(RMNodeEventType.class,
        new NodeEventDispatcher(context));
    NMLivelinessMonitor nmLivelinessMonitor = new NMLivelinessMonitor(
        dispatcher);
    nmLivelinessMonitor.init(conf);
    nmLivelinessMonitor.start();
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   * @return a mock {@link RMContext} for use in test cases
   */
  @SuppressWarnings("rawtypes")
  public static RMContext getMockRMContext() {
    // Null dispatcher
    Dispatcher nullDispatcher = new Dispatcher() {
      private final EventHandler handler =
          new EventHandler() {
            @Override
            public void handle(Event event) {
            }
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            System.currentTimeMillis(), 1), 1), 1));
    ContainerLaunchContext clc = mock(ContainerLaunchContext.class);
    when(clc.getCommands()).thenReturn(Collections.<String>emptyList());
    when(container.getLaunchContext()).thenReturn(clc);
    when(container.getLocalizedResources()).thenReturn(null);
    Dispatcher dispatcher = mock(Dispatcher.class);
    EventHandler eventHandler = new EventHandler() {
      public void handle(Event event) {
        Assert.assertTrue(event instanceof ContainerExitEvent);
        ContainerExitEvent exitEvent = (ContainerExitEvent) event;
        Assert.assertEquals(ContainerEventType.CONTAINER_EXITED_WITH_FAILURE,
            exitEvent.getType());
      }
    };
    when(dispatcher.getEventHandler()).thenReturn(eventHandler);
    ContainerLaunch launch = new ContainerLaunch(context, new Configuration(),
        dispatcher, exec, null, container, dirsHandler, containerManager);
    launch.call();
  }
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  /**
   * Register the handlers for alwaysOn services
   */
  private Dispatcher setupDispatcher() {
    Dispatcher dispatcher = createDispatcher();
    dispatcher.register(RMFatalEventType.class,
        new ResourceManager.RMFatalEventDispatcher(this.rmContext, this));
    return dispatcher;
  }
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        new ResourceManager.RMFatalEventDispatcher(this.rmContext, this));
    return dispatcher;
  }

  private void resetDispatcher() {
    Dispatcher dispatcher = setupDispatcher();
    ((Service)dispatcher).init(this.conf);
    ((Service)dispatcher).start();
    removeService((Service)rmDispatcher);
    rmDispatcher = dispatcher;
    addIfService(rmDispatcher);
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  • org.apache.hadoop.yarn.server.nodemanager.TestEventFlow
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  • org.apache.hadoop.yarn.server.nodemanager.webapp.TestNMWebServer
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  • org.apache.hadoop.yarn.server.resourcemanager.ResourceManager
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