@Override
	public ExitStatus afterStep(StepExecution stepExecution) {
		if (exitCode == 0) {
			return ExitStatus.COMPLETED;
		}
		else {
			return ExitStatus.FAILED;
		}
	}
Program arguments for the application main class.
extensions/spring-xd-extension-spark/src/main/java/org/springframework/xd/spark/tasklet/SparkTasklet.java