public static void main(String[] args) {
    Thread.setDefaultUncaughtExceptionHandler(UncaughtExceptionHandlers.systemExit());

    WorkerMain workerMain = new WorkerMain();
    workerMain.initialize();
    workerMain.poll();

    System.exit(0);
  }
Main class to bootstrap a portability transfer worker that will operate on a single job whose
state is held in {@link JobMetadata}.
portability-transfer/src/main/java/org/datatransferproject/transfer/WorkerMain.java