/*
 * @(#)StubDelegate.java	1.14 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.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.rmi.RemoteException;
import org.omg.CORBA.ORB;

/**
 * Supports delegation for method implementations in {@link Stub}.
 * A delegate is an instance of a class that implements this
 * interface and provides a replacement implementation for all the
 * methods of <code>javax.rmi.CORBA.Stub</code>.  If delegation is
 * enabled, each stub has an associated delegate.
 *
 * Delegates are enabled by providing the delegate's class name as the
 * value of the 
 * <code>javax.rmi.CORBA.StubClass</code>
 * system property.
 *
 * @see Stub
 */
public interface StubDelegate {

    /**
     * Delegation call for {@link Stub#hashCode}.
     */
    int hashCode(Stub self);

    /**
     * Delegation call for {@link Stub#equals}.
     */
    boolean equals(Stub self, java.lang.Object obj);

    /**
     * Delegation call for {@link Stub#toString}.
     */
    String toString(Stub self);

    /**
     * Delegation call for {@link Stub#connect}.
     */
    void connect(Stub self, ORB orb)
	throws RemoteException;
 
    // _REVISIT_ cannot link to Stub.readObject directly... why not?
    /**
     * Delegation call for
     * <a href="{@docRoot}/serialized-form.html#javax.rmi.CORBA.Stub"><code>Stub.readObject(java.io.ObjectInputStream)</code></a>.
     */
    void readObject(Stub self, ObjectInputStream s)
        throws IOException, ClassNotFoundException;

    // _REVISIT_ cannot link to Stub.writeObject directly... why not?
    /**
     * Delegation call for 
     * <a href="{@docRoot}/serialized-form.html#javax.rmi.CORBA.Stub"><code>Stub.writeObject(java.io.ObjectOutputStream)</code></a>.
     */
    void writeObject(Stub self, ObjectOutputStream s)
        throws IOException;

}
