public JobExecution launch(String jobName, JobParameters jobParameters)
throws NoSuchJobException, JobExecutionAlreadyRunningException, JobRestartException,
JobInstanceAlreadyCompleteException, JobParametersInvalidException {
Job job = jobLocator.getJob(jobName);
JobExecution lastJobExecution = jobRepository.getLastJobExecution(jobName, jobParameters);
boolean restart = false;
if (lastJobExecution != null) {
BatchStatus status = lastJobExecution.getStatus();
if (status.isUnsuccessful() && status != BatchStatus.ABANDONED) {
restart = true;
}
}
if (job.getJobParametersIncrementer() != null && !restart) {
jobParameters = job.getJobParametersIncrementer().getNext(jobParameters);
}
JobExecution jobExecution = jobLauncher.run(job, jobParameters);
if (jobExecution.isRunning()) {
activeExecutions.add(jobExecution);
}
return jobExecution;
}
private JobParameters getNextJobParameters(Job job) throws JobParametersNotFoundException {
String jobIdentifier = job.getName();
JobParameters jobParameters;
List<JobInstance> lastInstances = jobExplorer.getJobInstances(jobIdentifier, 0, 1);
JobParametersIncrementer incrementer = job.getJobParametersIncrementer();
if (incrementer == null) {
throw new JobParametersNotFoundException(
"No job parameters incrementer found for job=" + jobIdentifier);
}
if (lastInstances.isEmpty()) {
jobParameters = incrementer.getNext(new JobParameters());
if (jobParameters == null) {
throw new JobParametersNotFoundException(
"No bootstrap parameters found from incrementer for job=" + jobIdentifier);
}
} else {
jobParameters = incrementer.getNext(lastInstances.get(0).getJobParameters());
}
return jobParameters;
}
