public static Remote exportObject(Remote obj,
    int port,
    RMIClientSocketFactory csf,
    RMIServerSocketFactory ssf,
    int numSockets) throws RemoteException 
{
      return exportObject(obj, port, csf, ssf, obj.getClass().getInterfaces(), numSockets);
}

 public static Remote exportObject(Remote obj,
    int port,
    RMIClientSocketFactory csf,
    RMIServerSocketFactory ssf,
    Class[] interfaces,
    int numSockets) throws RemoteException 
{
       
      Remote[] stubs = new Remote[numSockets];
      Method[] methods = obj.getClass().getMethods();
      HashMap invokerMap = new HashMap();
      for (int i = 0; i <  methods.length; i++) {
         Long methodkey = new Long(MethodHash.calculateHash(methods[i]));
         invokerMap.put(methodkey, methods[i]);
      }
      RMIMultiSocketHandler[] handlers = new RMIMultiSocketHandler[numSockets];
      for (int i = 0; i <  numSockets; i++)
      {
         int theport = (port == 0) ? 0 : port + i;
         handlers[i] = new RMIMultiSocketHandler(obj, invokerMap);
         stubs[i] = UnicastRemoteObject.exportObject(handlers[i], theport, csf, ssf);
      }
      Remote remote = (Remote)Proxy.newProxyInstance(
         obj.getClass().getClassLoader(),
         interfaces,
         new RMIMultiSocketClient(stubs));
      stubmap.put(remote, stubs);
      handlermap.put(remote, handlers);
      return remote;
}

 public static boolean unexportObject(Remote obj,
    boolean force) throws NoSuchObjectException 
{
      handlermap.remove(obj);
      Remote[] stubs = (Remote[])stubmap.remove(obj);
      for (int i = 0; i <  stubs.length; i++)
      {
         UnicastRemoteObject.unexportObject(stubs[i], force);
      }
      return true;
}