job1.setInput("message", "dude");
wkfl.addJob(job1);
JobSubmission job2 = new JobSubmission("dan.encryption.Digest.md5");
job2.setInput("message", "dude");
job2.setInput("message", new WorkflowOutputReference(0, "digest"));
wkfl.addJob(job2);
return wkfl;
}