Package org.apache.hadoop.mapreduce.v2.app

Examples of org.apache.hadoop.mapreduce.v2.app.AppContext

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    CommitterEventHandler commitHandler =
        createCommitterEventHandler(dispatcher, committer);
    commitHandler.init(conf);
    commitHandler.start();

    AppContext mockContext = mock(AppContext.class);
    when(mockContext.hasSuccessfullyUnregistered()).thenReturn(false);
    JobImpl job = createStubbedJob(conf, dispatcher, 2, mockContext);
    JobId jobId = job.getID();
    job.handle(new JobEvent(jobId, JobEventType.JOB_INIT));
    assertJobState(job, JobStateInternal.INITED);
    job.handle(new JobStartEvent(jobId));
    assertJobState(job, JobStateInternal.FAILED);

    job.handle(new JobEvent(jobId, JobEventType.JOB_TASK_COMPLETED));
    assertJobState(job, JobStateInternal.FAILED);
    job.handle(new JobEvent(jobId, JobEventType.JOB_TASK_ATTEMPT_COMPLETED));
    assertJobState(job, JobStateInternal.FAILED);
    job.handle(new JobEvent(jobId, JobEventType.JOB_MAP_TASK_RESCHEDULED));
    assertJobState(job, JobStateInternal.FAILED);
    job.handle(new JobEvent(jobId, JobEventType.JOB_TASK_ATTEMPT_FETCH_FAILURE));
    assertJobState(job, JobStateInternal.FAILED);
    Assert.assertEquals(JobState.RUNNING, job.getState());
    when(mockContext.hasSuccessfullyUnregistered()).thenReturn(true);
    Assert.assertEquals(JobState.FAILED, job.getState());

    dispatcher.stop();
    commitHandler.stop();
  }
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  }

  private static CommitterEventHandler createCommitterEventHandler(
      Dispatcher dispatcher, OutputCommitter committer) {
    final SystemClock clock = new SystemClock();
    AppContext appContext = mock(AppContext.class);
    when(appContext.getEventHandler()).thenReturn(
        dispatcher.getEventHandler());
    when(appContext.getClock()).thenReturn(clock);
    RMHeartbeatHandler heartbeatHandler = new RMHeartbeatHandler() {
      @Override
      public long getLastHeartbeatTime() {
        return clock.getTime();
      }
      @Override
      public void runOnNextHeartbeat(Runnable callback) {
        callback.run();
      }
    };
    ApplicationAttemptId id =
      ConverterUtils.toApplicationAttemptId("appattempt_1234567890000_0001_0");
    when(appContext.getApplicationID()).thenReturn(id.getApplicationId());
    when(appContext.getApplicationAttemptId()).thenReturn(id);
    CommitterEventHandler handler =
        new CommitterEventHandler(appContext, committer, heartbeatHandler);
    dispatcher.register(CommitterEventType.class, handler);
    return handler;
  }
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    CommitterEventHandler commitHandler =
        createCommitterEventHandler(dispatcher, committer);
    commitHandler.init(conf);
    commitHandler.start();

    AppContext mockContext = mock(AppContext.class);
    when(mockContext.isLastAMRetry()).thenReturn(false);
    JobImpl job = createStubbedJob(conf, dispatcher, 2, mockContext);
    JobId jobId = job.getID();
    job.handle(new JobEvent(jobId, JobEventType.JOB_INIT));
    assertJobState(job, JobStateInternal.INITED);
    job.handle(new JobStartEvent(jobId));
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    CommitterEventHandler commitHandler =
        createCommitterEventHandler(dispatcher, committer);
    commitHandler.init(conf);
    commitHandler.start();

    AppContext mockContext = mock(AppContext.class);
    when(mockContext.isLastAMRetry()).thenReturn(true);
    JobImpl job = createRunningStubbedJob(conf, dispatcher, 2, mockContext);
    completeJobTasks(job);
    assertJobState(job, JobStateInternal.COMMITTING);

    syncBarrier.await();
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  }

  private static CommitterEventHandler createCommitterEventHandler(
      Dispatcher dispatcher, OutputCommitter committer) {
    final SystemClock clock = new SystemClock();
    AppContext appContext = mock(AppContext.class);
    when(appContext.getEventHandler()).thenReturn(
        dispatcher.getEventHandler());
    when(appContext.getClock()).thenReturn(clock);
    RMHeartbeatHandler heartbeatHandler = new RMHeartbeatHandler() {
      @Override
      public long getLastHeartbeatTime() {
        return clock.getTime();
      }
      @Override
      public void runOnNextHeartbeat(Runnable callback) {
        callback.run();
      }
    };
    ApplicationAttemptId id =
      ConverterUtils.toApplicationAttemptId("appattempt_1234567890000_0001_0");
    when(appContext.getApplicationID()).thenReturn(id.getApplicationId());
    when(appContext.getApplicationAttemptId()).thenReturn(id);
    CommitterEventHandler handler =
        new CommitterEventHandler(appContext, committer, heartbeatHandler);
    dispatcher.register(CommitterEventType.class, handler);
    return handler;
  }
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    = new ArrayList<JobUpdatedNodesEvent>();
    private MyResourceManager rm;
    private boolean isUnregistered = false;
    private static AppContext createAppContext(
        ApplicationAttemptId appAttemptId, Job job) {
      AppContext context = mock(AppContext.class);
      ApplicationId appId = appAttemptId.getApplicationId();
      when(context.getApplicationID()).thenReturn(appId);
      when(context.getApplicationAttemptId()).thenReturn(appAttemptId);
      when(context.getJob(isA(JobId.class))).thenReturn(job);
      when(context.getClusterInfo()).thenReturn(
        new ClusterInfo(Resource.newInstance(10240, 1)));
      when(context.getEventHandler()).thenReturn(new EventHandler() {
        @Override
        public void handle(Event event) {
          // Only capture interesting events.
          if (event instanceof TaskAttemptContainerAssignedEvent) {
            events.add((TaskAttemptContainerAssignedEvent) event);
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      return context;
    }

    private static AppContext createAppContext(
        ApplicationAttemptId appAttemptId, Job job, Clock clock) {
      AppContext context = createAppContext(appAttemptId, job);
      when(context.getClock()).thenReturn(clock);
      return context;
    }
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    jobConf.set(MRJobConfig.APPLICATION_ATTEMPT_ID, "10");

    TaskSplitMetaInfo splits = mock(TaskSplitMetaInfo.class);
    when(splits.getLocations()).thenReturn(new String[] {"127.0.0.1"});

    AppContext appCtx = mock(AppContext.class);
    ClusterInfo clusterInfo = mock(ClusterInfo.class);
    Resource resource = mock(Resource.class);
    when(appCtx.getClusterInfo()).thenReturn(clusterInfo);
    when(resource.getMemory()).thenReturn(1024);

    TaskAttemptImpl taImpl =
      new MapTaskAttemptImpl(taskId, 1, eventHandler, jobFile, 1,
          splits, jobConf, taListener,
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    jobConf.set(MRJobConfig.APPLICATION_ATTEMPT_ID, "10");

    TaskSplitMetaInfo splits = mock(TaskSplitMetaInfo.class);
    when(splits.getLocations()).thenReturn(new String[] {});

    AppContext appCtx = mock(AppContext.class);
    ClusterInfo clusterInfo = mock(ClusterInfo.class);
    Resource resource = mock(Resource.class);
    when(appCtx.getClusterInfo()).thenReturn(clusterInfo);
    when(resource.getMemory()).thenReturn(1024);

    TaskAttemptImpl taImpl =
      new MapTaskAttemptImpl(taskId, 1, eventHandler, jobFile, 1,
          splits, jobConf, taListener,
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    jobConf.set(MRJobConfig.APPLICATION_ATTEMPT_ID, "10");

    TaskSplitMetaInfo splits = mock(TaskSplitMetaInfo.class);
    when(splits.getLocations()).thenReturn(new String[] {"127.0.0.1"});

    AppContext appCtx = mock(AppContext.class);
    ClusterInfo clusterInfo = mock(ClusterInfo.class);
    Resource resource = mock(Resource.class);
    when(appCtx.getClusterInfo()).thenReturn(clusterInfo);
    when(resource.getMemory()).thenReturn(1024);

    TaskAttemptImpl taImpl =
      new MapTaskAttemptImpl(taskId, 1, eventHandler, jobFile, 1,
          splits, jobConf, taListener,
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Related Classes of org.apache.hadoop.mapreduce.v2.app.AppContext

  • org.apache.hadoop.conf.Configuration
  • org.apache.hadoop.fs.FileSystem
  • org.apache.hadoop.fs.FSDataInputStream
  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.fs.permission.FsPermission
  • org.apache.hadoop.mapred.JobConf
  • org.apache.hadoop.mapred.TaskAttemptListenerImpl
  • org.apache.hadoop.mapred.TestClientRedirect
  • org.apache.hadoop.mapred.TestClientRedirect$AMService
  • org.apache.hadoop.mapred.TestClientRedirect$HistoryService
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