Optional<Integer> absent = Optional.absent();
GraphJob inlinkJob = getJob(args[0], args[1],
args.length >= 3 ? Optional.of(Integer.parseInt(args[3])) : absent);
long startTime = System.currentTimeMillis();
if (inlinkJob.waitForCompletion(true)) {
System.out.println("Job Finished in "
+ (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");
}
}
}