private void markJobStarted(UUID jobId) {
    try {
      store.markJobAsStarted(jobId);
    } catch (IOException e) {
      monitor.severe(() -> format("Could not mark job %s as %s", jobId, State.IN_PROGRESS), e);
    }
  }
Process our job, whose metadata is available via {@link JobMetadata}.
portability-transfer/src/main/java/org/datatransferproject/transfer/JobProcessor.java