public JobModel getJobModel() {
    LOG.info("Reading the job model from blob.");
    JobModelBundle jmBundle = getJobModelBundle();
    if (jmBundle == null) {
      LOG.error("Job Model details don't exist on the blob.");
      return null;
    }
    return jmBundle.getCurrJobModel();
  }
Reads the current job model from the blob.
@return The current job model published on the blob. Returns null when job model details not found on the blob.
@throws AzureException in getJobModelBundle() if an Azure storage service error occurred.
@throws SamzaException in getJobModelBundle() if data retrieved from blob could not be parsed by SamzaObjectMapper.
samza-azure/src/main/java/org/apache/samza/util/BlobUtils.java