alo

Outubro 2008

Prof. Ismael H. F. Santos - ismael@tecgraf.puc-rio.br 89

Java class ShapeListServant implements interface ShapeList

import java.rmi.*;

import java.rmi.server.UnicastRemoteObject;

import java.util.Vector;

public class ShapeListServant extends UnicastRemoteObject implements ShapeList

{

private Vector theList; // contains the list of Shapes 1

private int version;

public ShapeListServant()throws RemoteException{...}

public Shape newShape(GraphicalObject g) throws RemoteException { 2

version++;

Shape s = new ShapeServant( g, version); 3

theList.addElement(s);

return s;

}

public Vector allShapes()throws RemoteException{...}

public int getVersion() throws RemoteException { ... }

}