Examples of org.springframework.batch.core.JobInstance

org.springframework.batch.core.JobInstance
Batch domain object representing a uniquely identifiable job run. JobInstance can be restarted multiple times in case of execution failure and it's lifecycle ends with first successful execution. Trying to execute an existing JobIntance that has already completed successfully will result in error. Error will be raised also for an attempt to restart a failed JobInstance if the Job is not restartable. @see Job @see JobParameters @see JobExecution @see javax.batch.runtime.JobInstance @author Lucas Ward @author Dave Syer @author Robert Kasanicky @author Michael Minella

  @Override
  public JobInstance createJobInstance(String jobName, JobParameters jobParameters) {
    Assert.notNull(jobName, "Job name must not be null.");
    Assert.notNull(jobParameters, "JobParameters must not be null.");


    JobInstance jobInstance = null;
    try {
      CreateJobInstanceReq request = JobRepositoryRpcFactory.buildCreateJobInstanceReq(jobName, jobParameters);
      CreateJobInstanceRes response = (CreateJobInstanceRes) getAppmasterScOperations().doMindRequest(request);
      jobInstance = JobRepositoryRpcFactory.convertJobInstanceType(response.jobInstance);
    } catch (Exception e) {

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    return JobRepositoryRpcFactory.convertStepExecutionType(response.stepExecution);
  }


  @Override
  public JobInstance getJobInstance(Long instanceId) {
    JobInstance jobInstance = null;
    try {
      GetJobInstanceReq request = JobRepositoryRpcFactory.buildGetJobInstanceReq(instanceId);
      GetJobInstanceRes response = (GetJobInstanceRes) getAppmasterScOperations().doMindRequest(request);
      jobInstance = JobRepositoryRpcFactory.convertJobInstanceType(response.jobInstance);
    } catch (Exception e) {

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    return response;
  }


  private BaseResponseObject handleGetStepExecutionCountReq(GetStepExecutionCountReq request) {
    GetStepExecutionCountRes response = null;
    JobInstance jobInstance = JobRepositoryRpcFactory.convertJobInstanceType(request.jobInstance);
    int stepExecutionCount = jobRepository.getStepExecutionCount(jobInstance, request.stepName);
    response = new GetStepExecutionCountRes();
    response.count = stepExecutionCount;
    return response;
  }

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    return response;
  }


  private BaseResponseObject handleGetLastStepExecutionReq(GetLastStepExecutionReq request) {
    GetLastStepExecutionRes response = null;
    JobInstance jobInstance = JobRepositoryRpcFactory.convertJobInstanceType(request.jobInstance);
    StepExecution lastStepExecution = jobRepository.getLastStepExecution(jobInstance, request.stepName);
    response = new GetLastStepExecutionRes();
    response.stepExecution = JobRepositoryRpcFactory.convertStepExecutionType(lastStepExecution);
    return response;
  }

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   *
   * @param type the job execution type
   * @return converted job execution
   */
  public static JobExecution convertJobExecutionType(JobExecutionType type) {
    JobInstance jobInstance = convertJobInstanceType(type.jobInstance);
    JobParameters jobParameters = convertJobParametersType(type.jobParameters);


    JobExecution jobExecution = new JobExecution(jobInstance, type.id, jobParameters, type.jobConfigurationLocation);


    jobExecution.setVersion(type.version);

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  public static JobInstance convertJobInstanceType(JobInstanceType type) {
    // TODO: null, really???
    if (type == null) {
      return null;
    }
    JobInstance jobInstance = new JobInstance(type.id, type.jobName);
    jobInstance.setVersion(type.version);
    return jobInstance;
  }

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        return createJobExecutionInstance(jobName, jobParameters);
    }


    public void update(JobExecution jobExecution) {
        BatchStatus status = jobExecution.getStatus();
        JobInstance instance = jobExecution.getJobInstance();
        String jobName = instance.getJobName();
        if (BatchStatus.STARTING.equals(status)) {
            Assert.assertNull("Multiple executions for job=" + jobName, execsMap.put(jobName, jobExecution));
        } else if (BatchStatus.COMPLETED.equals(status)
                || BatchStatus.ABANDONED.equals(status)
                || BatchStatus.FAILED.equals(status)) {

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        Assert.assertNotNull("No job name specified", jobName);
        Assert.assertFalse("Empty job name", jobName.length() <= 0);
        Assert.assertNotNull("No job parameters provided", jobParameters);


        Long id = Long.valueOf(idsGenerator.incrementAndGet());
        JobInstance instance = new JobInstance(id, jobName);
        return new JobExecution(instance, jobParameters);
    }

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        return assertOperationPath(op, flowExecutor.getStepExecution());
    }


    protected Operation assertOperationPath(Operation op, StepExecution stepExecution) {
        JobExecution jobExecution = stepExecution.getJobExecution();
        JobInstance jobInstance = jobExecution.getJobInstance();
        return assertOperationPath(op, jobInstance.getJobName(), stepExecution.getStepName());
    }

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        Mockito.when(stepExecution.getJobExecution()).thenReturn(jobExecution);
        return stepExecution;
    }


    protected JobExecution createJobExecution(String jobName) {
        JobInstance jobInstance = Mockito.mock(JobInstance.class);
        Mockito.when(jobInstance.getJobName()).thenReturn(jobName);
        JobExecution jobExecution = Mockito.mock(JobExecution.class);
        Mockito.when(jobExecution.getJobInstance()).thenReturn(jobInstance);
        return jobExecution;
    }

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