code: public void setJobName (final String jobName)
    {
      if (jobName == null || jobName.trim ().length () == 0)
      {
        throw new IllegalArgumentException ("Job name cannot be null or empty.");
      }
  
      m_sJobName = jobName;
    }
docs: <p>
  Set the name of the associated
  <code>{@link com.helger.quartz.IJobDetail}</code>.
  </p>
  
  @exception IllegalArgumentException
  if jobName is null or empty.