public NamedBean addBean(String sysName, String userName) {
   SignalMast sm = manager.getSignalMast(userName);
   if (sm == null) {
     sm = manager.provideSignalMast(sysName);
   }
   return sm;
 }
 public NamedBean addBean(String name) {
   return manager.provideSignalMast(name);
 }