ServiceBroker sb = getServiceBroker(); threadService = (ThreadService) sb.getService (this, ThreadService.class, null);
threadService = (ThreadService) getServiceBroker().getService (this, ThreadService.class, null);
  private ThreadService threadService ()   {	if (threadService != null) return threadService;	ServiceBroker sb = getServiceBroker();	threadService = (ThreadService) sb.getService (this, ThreadService.class, null);	return threadService;  }