/*
 * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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/*
 * Licensed Materials - Property of IBM
 * RMI-IIOP v1.0
 * Copyright IBM Corp. 1998 1999  All Rights Reserved
 *
 */

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;

}