@Deployment(resources = {"org/camunda/bpm/engine/test/api/mgmt/SuspensionTest.testBase.bpmn"})
  public void testActivationByJobDefinitionId_shouldActivateJob() {
    // given

    // a running process instance with a failed job
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("fail", Boolean.TRUE);
    runtimeService.startProcessInstanceByKey("suspensionProcess", params);

    // suspended job definitions and corresponding jobs
    managementService.suspendJobDefinitionByProcessDefinitionKey("suspensionProcess", true);

    // the job definition
    JobDefinition jobDefinition = managementService.createJobDefinitionQuery().singleResult();

    // the failed job
    JobQuery jobQuery = managementService.createJobQuery();
    Job job = jobQuery.singleResult();
    assertTrue(job.isSuspended());

    // when
    // the job will be activated
    managementService.activateJobByJobDefinitionId(jobDefinition.getId());

    // then
    // the job should be activated
    assertEquals(0, jobQuery.suspended().count());
    assertEquals(1, jobQuery.active().count());

    Job activeJob = jobQuery.active().singleResult();

    assertEquals(job.getId(), activeJob.getId());
    assertEquals(jobDefinition.getId(), activeJob.getJobDefinitionId());
    assertFalse(activeJob.isSuspended());
  }
  @Deployment
  public void testExclusiveJobs() {

    JobDefinition jobDefinition =
        managementService.createJobDefinitionQuery().activityIdIn("task2").singleResult();

    // given that the second task is suspended
    managementService.suspendJobDefinitionById(jobDefinition.getId());

    // if I start a process instance
    runtimeService.startProcessInstanceByKey("testProcess");

    waitForJobExecutorToProcessAllJobs(6000);

    // then the second task is not executed
    assertEquals(1, runtimeService.createProcessInstanceQuery().count());
    // there is a suspended job instance
    Job job = managementService.createJobQuery().singleResult();
    assertEquals(job.getJobDefinitionId(), jobDefinition.getId());
    assertTrue(job.isSuspended());

    // if I unsuspend the job definition, the job is executed:
    managementService.activateJobDefinitionById(jobDefinition.getId(), true);

    waitForJobExecutorToProcessAllJobs(5000);

    assertEquals(0, runtimeService.createProcessInstanceQuery().count());

    // clean up log
    TestHelper.clearOpLog(processEngineConfiguration);
  }