/*
 * @(#)PortableRemoteObjectDelegate.java	1.12 03/12/19
 *
 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Licensed Materials - Property of IBM
 * RMI-IIOP v1.0
 * Copyright IBM Corp. 1998 1999  All Rights Reserved
 *
 * US Government Users Restricted Rights - Use, duplication or
 * disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */

package javax.rmi.CORBA;	

import java.rmi.RemoteException;
import java.rmi.NoSuchObjectException;
import java.rmi.Remote;

/**
 * Supports delegation for method implementations in {@link javax.rmi.PortableRemoteObject}.
 * The delegate is a singleton instance of a class that implements this
 * interface and provides a replacement implementation for all the
 * methods of <code>javax.rmi.PortableRemoteObject</code>.
 *
 * Delegates are enabled by providing the delegate's class name as the
 * value of the 
 * <code>javax.rmi.CORBA.PortableRemoteObjectClass</code>
 * system property.
 *
 * @see javax.rmi.PortableRemoteObject
 */
public interface PortableRemoteObjectDelegate {

    /**
     * Delegation call for {@link javax.rmi.PortableRemoteObject#exportObject}.
     */
    void exportObject(Remote obj)
	throws RemoteException;

    /**
     * Delegation call for {@link javax.rmi.PortableRemoteObject#toStub}.
     */
    Remote toStub (Remote obj)   
	throws NoSuchObjectException;

    /**
     * Delegation call for {@link javax.rmi.PortableRemoteObject#unexportObject}.
     */
    void unexportObject(Remote obj) 
	throws NoSuchObjectException;

    /**
     * Delegation call for {@link javax.rmi.PortableRemoteObject#narrow}.
     */
    java.lang.Object narrow (java.lang.Object narrowFrom,
				    java.lang.Class narrowTo)
	throws ClassCastException;

    /**
     * Delegation call for {@link javax.rmi.PortableRemoteObject#connect}.
     */
    void connect (Remote target, Remote source)
	throws RemoteException;

}