Examples of java.rmi.Remote

java.rmi.Remote
The Remote interface serves to identify interfaces whose methods may be invoked from a non-local virtual machine. Any object that is a remote object must directly or indirectly implement this interface. Only those methods specified in a "remote interface", an interface that extends java.rmi.Remote are available remotely.
Implementation classes can implement any number of remote interfaces and can extend other remote implementation classes. RMI provides some convenience classes that remote object implementations can extend which facilitate remote object creation. These classes are java.rmi.server.UnicastRemoteObject and java.rmi.activation.Activatable.
For complete details on RMI, see the RMI Specification which describes the RMI API and system. @version 1.18, 04/21/06 @since JDK1.1 @author Ann Wollrath @see java.rmi.server.UnicastRemoteObject @see java.rmi.activation.Activatable

        if (csf != null || ssf != null) {
            sref = new UnicastServerRef2(port, csf, ssf);
        } else {
            sref = new UnicastServerRef(port, csf, ssf);
        }
        Remote stub = ExportManager.exportObject(obj, sref,
                useProxyStubs);


        if (obj instanceof UnicastRemoteObject) {
            ((UnicastRemoteObject) obj).ref = sref;
        }

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                               boolean isSystem)
            throws RemoteException {
        this.isSystem = isSystem;
        ref = new RMIReference(obj);
        implClassName = obj.getClass().getName();
        Remote stub = null;


        // obtain class directly implementing Remote interface
        Class remoteClass = RMIUtil.getRemoteClass(obj.getClass());


        // load and instantiate skel class if any

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            final Class aclass = RMIClassLoader.loadClass(adesc.getLocation(),
                    adesc.getClassName());
            // rmi.log.86=active class = {0}
            rlog.log(RMILog.VERBOSE, Messages.getString("rmi.log.86", aclass)); //$NON-NLS-1$


            Remote rmt = (Remote) AccessController
                    .doPrivileged(new PrivilegedExceptionAction() {


                        public Object run() throws Exception {
                            Constructor aconstructor = aclass
                                    .getDeclaredConstructor(special_constructor_parameters);
                            // rmi.log.87=Activatable Constructor: {0}
                            rlog.log(RMILog.VERBOSE, Messages.getString("rmi.log.87", aconstructor)); //$NON-NLS-1$


                            aconstructor.setAccessible(true);


                            Object parameters[] = new Object[] { aid,
                                    adesc.getData() };
                            return (Remote) aconstructor
                                    .newInstance(parameters);
                        }
                    });


            // rmi.log.88=rmt.getClass = {0}
            rlog.log(RMILog.VERBOSE, Messages.getString("rmi.log.88", rmt.getClass())); //$NON-NLS-1$


            // rmi.log.89=newInstance: Remote Object = {0}
            rlog.log(RMILog.VERBOSE, Messages.getString("rmi.log.89", rmt)); //$NON-NLS-1$


            ao = new ActiveObject(rmt);

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            RMIClientSocketFactory csf, RMIServerSocketFactory ssf)
            throws ActivationException, RemoteException {


        ActivationDesc adesc = new ActivationDesc(obj.getClass().getName(), location, data, restart);
        ActivationID aid = ActivationGroup.getSystem().registerObject(adesc);
        Remote stub = exportObject(obj, aid, port, csf, ssf);


        return aid;
    }

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            throws ActivationException, RemoteException {


        ActivationDesc adesc = new ActivationDesc(robj.getClass().getName(),
                location, data, restart);
        ActivationID aid = ActivationGroup.getSystem().registerObject(adesc);
        Remote stub = exportObject(robj, aid, port);
        ActivationGroup curAG = ActivationGroup.getCurrentAG();
        // rmi.console.00=CurAG = {0}
        System.out.println(Messages.getString("rmi.console.00", curAG)); //$NON-NLS-1$
        curAG.activeObject(aid, robj);

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        rlog.log(RMILog.VERBOSE, Messages.getString("rmi.log.11", asr)); //$NON-NLS-1$


        ExportManager.exportObject(robj, asr, false, true, true);
        // rmi.log.12=Activatable >>> asr after export: {0}
        rlog.log(RMILog.VERBOSE, Messages.getString("rmi.log.12", asr)); //$NON-NLS-1$
        Remote rmt = RemoteObject.toStub(robj);
        // rmi.log.13=Activatable.exportObject: stub = {0}
        rlog.log(RMILog.VERBOSE, Messages.getString("rmi.log.13", rmt)); //$NON-NLS-1$
        return rmt;
    }

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        try {
            MarshalledObject stub = (MarshalledObject) activator.activate(this,
                    force);
            // rmi.log.01=ActivationID.activate:stub={0}
            rlog.log(RMILog.VERBOSE, Messages.getString("rmi.log.01", stub)); //$NON-NLS-1$
            Remote deserialized_stub = (Remote) stub.get();
            // rmi.log.02=ActivationID.activate: deserialized_stub = {0}
            rlog.log(RMILog.VERBOSE,
                    Messages.getString("rmi.log.02", deserialized_stub)); //$NON-NLS-1$
            // rmi.log.03=<<<<<<<<< ActivationID.activate COMPLETED.
            rlog.log(RMILog.VERBOSE,Messages.getString("rmi.log.03")); //$NON-NLS-1$

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            throws RemoteException {
        if (isExported(obj)) {
            // rmi.7B=Object {0} has already been exported.
            throw new ExportException(Messages.getString("rmi.7B", obj)); //$NON-NLS-1$
        }
        Remote stub = sref.exportObject(obj, null, useProxyStubs, startListen,
                isSystem);
        RMIReference rref = new RMIReference(obj, dgcQueue);
        RMIObjectInfo info = new RMIObjectInfo(
                rref, sref.getObjId(), sref, stub);
        exportedObjs.add(info);

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    }


    public Remote findService(String uri) throws RMIHostException, RMIHostRuntimeException {
        RMIURI rmiURI = new RMIURI(uri);
        
        Remote remoteService = null;
        try {
            // Requires permission java.net.SocketPermission "host:port", "connect,accept,resolve"
            // in security policy.
            Registry registry = LocateRegistry.getRegistry(rmiURI.host, rmiURI.port);

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   * @see #lookupStub
   */
  public void prepare() throws RemoteLookupFailureException {
    // Cache RMI stub on initialization?
    if (this.lookupStubOnStartup) {
      Remote remoteObj = lookupStub();
      if (logger.isDebugEnabled()) {
        if (remoteObj instanceof RmiInvocationHandler) {
          logger.debug("RMI stub [" + getServiceUrl() + "] is an RMI invoker");
        }
        else if (getServiceInterface() != null) {

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