code: public static int getActiveJobs() {
  	int jobs = 0;
  	Enumeration e = callbackHandlers.elements();
  	while(e.hasMoreElements()) {
  	    CallbackHandler handler = (CallbackHandler)e.nextElement();
  	    jobs += handler.getRegisteredJobsSize();
  	}
  	return jobs;
      }
docs: Returns total number of jobs currently running
  for all credentials -- all callback handlers
  
  @return number of jobs running