private void blockRMI(String methodName,Object... args) throws ControllerException {
  final URI export=(URI)args[0];
  BlockExportController controller=getExportController();
  _dispatcher.queue(export,"export",controller,methodName,args);
}

private void blockRMI ( String methodName , Object ... args ) throws ControllerException { final URI export = ( URI ) args [ 0 ] ; BlockExportController controller = getExportController ( ) ; _dispatcher . queue ( export , "export" , controller , methodName , args ) ; }
puts the operation in the zkqueue so it can dispatch ' d to a device controller
