@Override
	public boolean stop(long executionId) throws NoSuchJobExecutionException, JobExecutionNotRunningException {

		JobExecution jobExecution = findExecutionById(executionId);
		// Indicate the execution should be stopped by setting it's status to
		// 'STOPPING'. It is assumed that
		// the step implementation will check this status at chunk boundaries.
		BatchStatus status = jobExecution.getStatus();
		if (!(status == BatchStatus.STARTED || status == BatchStatus.STARTING)) {
			throw new JobExecutionNotRunningException(
					"JobExecution must be running so that it can be stopped: " + jobExecution);
		}
		jobExecution.setStatus(BatchStatus.STOPPING);
		jobRepository.update(jobExecution);

		try {
			Job job = jobRegistry.getJob(jobExecution.getJobInstance().getJobName());
			if (job instanceof StepLocator) {// can only process as StepLocator is the
												// only way to get the step object
				// get the current stepExecution
				for (StepExecution stepExecution : jobExecution.getStepExecutions()) {
					if (stepExecution.getStatus().isRunning()) {
						try {
							// have the step execution that's running -> need to 'stop' it
							Step step = ((StepLocator) job).getStep(stepExecution.getStepName());
							if (step instanceof TaskletStep) {
								Tasklet tasklet = ((TaskletStep) step).getTasklet();
								if (tasklet instanceof StoppableTasklet) {
									StepSynchronizationManager.register(stepExecution);
									((StoppableTasklet) tasklet).stop(**stepExecution**);
									StepSynchronizationManager.release();
								}
							}
						}