public ActivatableServerRef(ObjID id, ActivationID anId, int aPort, RMIServerSocketFactory ssFactory) throws RemoteException
public ActivatableServerRef()
  public ActivatableServerRef(ObjID id, ActivationID anId, int aPort,                              RMIServerSocketFactory ssFactory)      throws RemoteException  {    super(id, aPort, ssFactory);    actId = anId;        // The object ID will be placed in the object map and should deliver    // incoming call to {@link #incommingMessageCall}. The object itself    // is currently null.    UnicastServer.exportActivatableObject(this);  }