Examples of com.opengamma.engine.calcnode.DispatchableJob

com.opengamma.engine.calcnode.DispatchableJob
A job and all of its tails that can be dispatched to calculation nodes via an invoker. If the job fails (the local JobInvoker instance will make sure a failure is reported when loss of a remote node is detected) it may be rescheduled. If the maximum number of reschedules is exceeded, or the job is failed on the same node twice, it becomes a "watched" job.
A watched job may not have a tail. If a job has a tail, the tails are extracted and rewritten, along with the root job, to use shared cache for values. The original job may then be resubmitted to the dispatcher with a job result receiver that will submit the tail job(s) on original job completion. When those tails have complete the original result receiver will be notified.
When a watched job fails, if it contains a single job item that item can be reported to a blacklist maintainer. If the job contains multiple items it is split into two parts, rewritten to use the shared cache for values. The first will then be resubmitted with a job result receiver that will submit the second part of the job on first part completion. When the second part of the job completed the original callback will be notified.

    final CalculationJob job = new CalculationJob(createJobSpecification(), 0, VersionCorrection.LATEST, null, Arrays.asList(JOB_ITEM_A, JOB_ITEM_AB), CacheSelectHint.privateValues(Arrays
        .asList(VS_A)));
    final JobResultReceiver receiver = Mockito.mock(JobResultReceiver.class);
    final StandardJob standard = new StandardJob(dispatcher, job, receiver);
    final WatchedJob watched = new WatchedJob.Whole(standard, job, receiver);
    final DispatchableJob split = watched.prepareRetryJob(null);
    final CalculationJob job1 = split.getJob();
    assertEquals(job1.getJobItems(), Arrays.asList(JOB_ITEM_A));
    assertFalse(job1.getCacheSelectHint().isPrivateValue(VS_A));
    final CalculationJobResult result1 = new CalculationJobResult(job1.getSpecification(), 0, Arrays.asList(CalculationJobResultItem.success()), "Test");
    split.getResultReceiver(result1).resultReceived(result1);
    Mockito.verifyZeroInteractions(receiver);
    assertEquals(dispatched.size(), 1);
    final DispatchableJob next = dispatched.poll();
    final CalculationJob job2 = next.getJob();
    assertEquals(job2.getJobItems(), Arrays.asList(JOB_ITEM_AB));
    assertFalse(job2.getCacheSelectHint().isPrivateValue(VS_A));
    final CalculationJobResult result2 = new CalculationJobResult(job2.getSpecification(), 0, Arrays.asList(CalculationJobResultItem.failure("Foo", "Bar")), "Test");
    next.getResultReceiver(result2).resultReceived(result2);
    Mockito.verify(receiver).resultReceived(
        new CalculationJobResult(job.getSpecification(), 0, Arrays.asList(CalculationJobResultItem.success(), CalculationJobResultItem.failure("Foo", "Bar")), "Test"));
    assertTrue(job1.getSpecification().getJobId() != job2.getSpecification().getJobId());
    assertTrue(job2.getSpecification().getJobId() == job.getSpecification().getJobId());
  }

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    final CalculationJob job = new CalculationJob(createJobSpecification(), 0, VersionCorrection.LATEST, null, Arrays.asList(JOB_ITEM_A, JOB_ITEM_AB, JOB_ITEM_BC, JOB_ITEM_BCD),
        CacheSelectHint.sharedValues(Arrays.asList(VS_D)));
    final JobResultReceiver receiver = Mockito.mock(JobResultReceiver.class);
    final StandardJob standard = new StandardJob(dispatcher, job, receiver);
    final WatchedJob watched = new WatchedJob.Whole(standard, job, receiver);
    final DispatchableJob split = watched.prepareRetryJob(null);
    final CalculationJob job1 = split.getJob();
    assertEquals(job1.getJobItems(), Arrays.asList(JOB_ITEM_A, JOB_ITEM_AB));
    assertTrue(job1.getCacheSelectHint().isPrivateValue(VS_A));
    assertFalse(job1.getCacheSelectHint().isPrivateValue(VS_B));
    final CalculationJobResult result1 = new CalculationJobResult(job1.getSpecification(), 0, Arrays.asList(CalculationJobResultItem.success(), CalculationJobResultItem.success()), "1");
    split.getResultReceiver(result1).resultReceived(result1);
    Mockito.verifyZeroInteractions(receiver);
    assertEquals(dispatched.size(), 1);
    final DispatchableJob next = dispatched.poll();
    final CalculationJob job2 = next.getJob();
    assertEquals(job2.getJobItems(), Arrays.asList(JOB_ITEM_BC, JOB_ITEM_BCD));
    assertFalse(job2.getCacheSelectHint().isPrivateValue(VS_B));
    assertTrue(job2.getCacheSelectHint().isPrivateValue(VS_C));
    assertFalse(job2.getCacheSelectHint().isPrivateValue(VS_D));
    final CalculationJobResult result2 = new CalculationJobResult(job2.getSpecification(), 0, Arrays.asList(CalculationJobResultItem.failure("Foo", "Bar"), CalculationJobResultItem.success()), "2");
    next.getResultReceiver(result2).resultReceived(result2);
    Mockito.verify(receiver).resultReceived(
        new CalculationJobResult(job.getSpecification(), 0, Arrays.asList(CalculationJobResultItem.success(), CalculationJobResultItem.success(), CalculationJobResultItem.failure("Foo", "Bar"),
            CalculationJobResultItem.success()), "1, 2"));
    assertTrue(job1.getSpecification().getJobId() != job2.getSpecification().getJobId());
    assertTrue(job2.getSpecification().getJobId() == job.getSpecification().getJobId());

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Related Classes of com.opengamma.engine.calcnode.DispatchableJob

com.opengamma.engine.calcnode.WatchedJobTest

com.opengamma.OpenGammaRuntimeException

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