code: public String getInstanceNameFromDataservice(Class cls) {
  		DataService dataService = (DataService) cls.getAnnotation(DataService.class);
  		String clsName = dataService.name();
  		if (clsName.isEmpty()) {
  			clsName = cls.getSimpleName();
  		}
  		return getInstanceName(clsName);
  	}
docs: Get instancename from Dataservice Class
  
  @param cls
  @return