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/*
 * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
/*
 * 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 javax.rmi.PortableRemoteObject.
 *
 * Delegates are enabled by providing the delegate's class name as the
 * value of the
 * javax.rmi.CORBA.PortableRemoteObjectClass
 * 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;

}