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

org.apache.hadoop.yarn.event.EventHandler
Interface for handling events of type T @param < T> paremeterized event of type T

    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());

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        throws YarnException, IOException {
      NodeStatus nodeStatus = request.getNodeStatus();
      LOG.info("Got heartbeat number " + heartBeatID);
      NodeManagerMetrics mockMetrics = mock(NodeManagerMetrics.class);
      Dispatcher mockDispatcher = mock(Dispatcher.class);
      EventHandler mockEventHandler = mock(EventHandler.class);
      when(mockDispatcher.getEventHandler()).thenReturn(mockEventHandler);
      nodeStatus.setResponseId(heartBeatID++);
      Map<ApplicationId, List<ContainerStatus>> appToContainers =
          getAppToContainerStatusMap(nodeStatus.getContainersStatuses());

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  @Test
  public void testHandleContainerStatusInvalidCompletions() throws Exception {
    rm = new MockRM(new YarnConfiguration());
    rm.start();


    EventHandler handler =
        spy(rm.getRMContext().getDispatcher().getEventHandler());


    // Case 1: Unmanaged AM
    RMApp app = rm.submitApp(1024, true);

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  public void testKillJob() throws Exception {
    JobConf conf = new JobConf();
    AppContext context = mock(AppContext.class);
    // a simple event handler solely to detect the container cleaned event
    final CountDownLatch isDone = new CountDownLatch(1);
    EventHandler handler = new EventHandler() {
      @Override
      public void handle(Event event) {
        LOG.info("handling event " + event.getClass() +
            " with type " + event.getType());
        if (event instanceof TaskAttemptEvent) {

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  @Test
  public void testRecoverySuccessAttempt() {
    LOG.info("--- START: testRecoverySuccessAttempt ---");


    long clusterTimestamp = System.currentTimeMillis();
    EventHandler mockEventHandler = mock(EventHandler.class);
    MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
        mockEventHandler);


    TaskId taskId = recoverMapTask.getID();
    JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);

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  @Test
  public void testRecoveryAllFailAttempts() {
    LOG.info("--- START: testRecoveryAllFailAttempts ---");


    long clusterTimestamp = System.currentTimeMillis();
    EventHandler mockEventHandler = mock(EventHandler.class);
    MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
        mockEventHandler);


    TaskId taskId = recoverMapTask.getID();
    JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);

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  @Test
  public void testRecoveryTaskSuccessAllAttemptsFail() {
    LOG.info("--- START:  testRecoveryTaskSuccessAllAttemptsFail ---");


    long clusterTimestamp = System.currentTimeMillis();
    EventHandler mockEventHandler = mock(EventHandler.class);
    MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
        mockEventHandler);


    TaskId taskId = recoverMapTask.getID();
    JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);

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  @Test
  public void testRecoveryTaskSuccessAllAttemptsSucceed() {
    LOG.info("--- START:  testRecoveryTaskSuccessAllAttemptsFail ---");


    long clusterTimestamp = System.currentTimeMillis();
    EventHandler mockEventHandler = mock(EventHandler.class);
    MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
        mockEventHandler);


    TaskId taskId = recoverMapTask.getID();
    JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);

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  @Test
  public void testRecoveryAllAttemptsKilled() {
    LOG.info("--- START:  testRecoveryAllAttemptsKilled ---");


    long clusterTimestamp = System.currentTimeMillis();
    EventHandler mockEventHandler = mock(EventHandler.class);
    MapTaskImpl recoverMapTask = getMockMapTask(clusterTimestamp,
        mockEventHandler);


    TaskId taskId = recoverMapTask.getID();
    JobID jobID = new JobID(Long.toString(clusterTimestamp), 1);

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  @Test(timeout = 5000)
  public void testHandle() throws Exception {
    LOG.info("STARTING testHandle");
    AppContext mockContext = mock(AppContext.class);
    @SuppressWarnings("rawtypes")
    EventHandler mockEventHandler = mock(EventHandler.class);
    when(mockContext.getEventHandler()).thenReturn(mockEventHandler);
    String cmAddress = "127.0.0.1:8000";
    ContainerManagementProtocol mockCM =
        mock(ContainerManagementProtocol.class);

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org.apache.hadoop.mapreduce.v2.app.job.impl.TestShuffleProvider

org.apache.hadoop.mapreduce.v2.app.job.impl.TestTaskAttempt

org.apache.hadoop.mapreduce.v2.app.job.impl.TestTaskAttemptContainerRequest

org.apache.hadoop.mapreduce.v2.app.launcher.TestContainerLauncherImpl

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org.apache.hadoop.mapreduce.v2.app.TestRecovery

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