EX3

src/main/java/org/ds/EX3/client/Client.java

 package org.ds.EX3.client;
 
-public class Clint {
+import org.ds.EX3.shared.IClientCallBack;
+import org.ds.EX3.shared.IComputeAndNotify;
+
+import java.rmi.NotBoundException;
+import java.rmi.RemoteException;
+import java.rmi.registry.LocateRegistry;
+import java.rmi.registry.Registry;
+
+public class Client {
+    public static void main(String[] args) throws RemoteException, NotBoundException {
+        Registry registry = LocateRegistry.getRegistry(1099);
+        IComputeAndNotify iComputeAndNotify = (IComputeAndNotify) registry.lookup("ComputeAndNotifySVC");
+        IClientCallBack iClientCallBack = new ClientCallBackImp();
+        iComputeAndNotify.computeAndNotify(10,5,iClientCallBack);
+    }
 }

src/main/java/org/ds/EX3/client/ClientCallBackImp.java

 package org.ds.EX3.client;
 
-public class ClientCallBackImp {
+import org.ds.EX3.shared.IClientCallBack;
+
+import java.rmi.RemoteException;
+import java.rmi.server.UnicastRemoteObject;
+
+public class ClientCallBackImp extends UnicastRemoteObject implements IClientCallBack {
+    protected ClientCallBackImp() throws RemoteException {
+    }
+
+    @Override
+    public void notify(String Message) throws RemoteException {
+        System.out.println("Received Callback:" +Message);
+    }
 }

src/main/java/org/ds/EX3/server/ComputeAndNotifySVCImp.java

 package org.ds.EX3.server;
 
-public class ComputeAndNotifySVCImp {
+import org.ds.EX3.shared.IClientCallBack;
+import org.ds.EX3.shared.IComputeAndNotify;
+
+import java.rmi.RemoteException;
+import java.rmi.server.UnicastRemoteObject;
+
+public class ComputeAndNotifySVCImp extends UnicastRemoteObject implements IComputeAndNotify {
+    protected ComputeAndNotifySVCImp() throws RemoteException {
+    }
+
+    @Override
+    public void computeAndNotify(int a, int b, IClientCallBack clientCallBack) throws RemoteException {
+        int res = a+b;
+        clientCallBack.notify("Result: " + res);
+    }
 }

src/main/java/org/ds/EX3/server/Server.java

 package org.ds.EX3.server;
 
+import java.rmi.RemoteException;
+import java.rmi.registry.LocateRegistry;
+import java.rmi.registry.Registry;
+
 public class Server {
+    public static void main(String[] args) throws RemoteException {
+
+        Registry registry = LocateRegistry.createRegistry(1099);
+        ComputeAndNotifySVCImp computeAndNotifySVCImp = new ComputeAndNotifySVCImp();
+        registry.rebind("ComputeAndNotifySVC", computeAndNotifySVCImp);
+        System.out.println("Ready");
+
+    }
 }

src/main/java/org/ds/EX3/shared/IClientCallBack.java

 package org.ds.EX3.shared;
 
-public interface IClientCallBack {
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+public interface IClientCallBack extends Remote {
+
+    public void notify(String Message) throws RemoteException;
 }

src/main/java/org/ds/EX3/shared/IComputeAndNotify.java

 package org.ds.EX3.shared;
 
-public interface IComputeAndNotify {
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+public interface IComputeAndNotify extends Remote {
+    public void computeAndNotify(int a,int b, IClientCallBack clientCallBack) throws RemoteException;
 }