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How to define and export a remote object E-mail
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This Java tip illustrates a method of defining and Exporting a Remote Object. The interface Exporter is a high-level API for both exporting a single remote object so that it can receive remote method invocations, and unexporting that same remote object.

  1. Define the remote interface.

    import java.rmi.*;

    public interface RObject extends Remote {
        
        void aMethod() throws RemoteException;
        
    }

  2. Define the remote object implementation.

    import java.rmi.*;
    import java.rmi.server.UnicastRemoteObject;

    public class RObjectImpl extends UnicastRemoteObject 
            implements RObject {
        
        public RObjectImpl() throws RemoteException {
            super();
        }
        
        // All remote methods must throw RemoteException
        public void aMethod() throws RemoteException {
        }
        
    }

  3. Compile the remote object implementation.

        > javac RObject.java RObjectImpl.java
    
  4. Generate the skeletons and stubs.
        > rmic RObjectImpl
    

  5. Create an instance of the remote object and bind it to the RMI registry.

    try {
        
        RObject robj = new RObjectImpl();
        Naming.rebind("//localhost/RObjectServer", robj);
        
    catch (MalformedURLException e) {
        
    catch (UnknownHostException e) {
        
    catch (RemoteException e) {
        
    }


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