/*

 * Copyright 1996-1999 Sun Microsystems, Inc.  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.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package java.rmi.server;

import java.rmi.*;

/**

 * A ServerRef represents the server-side handle for a remote object

 * implementation.

 *

 * @author  Ann Wollrath

 * @since   JDK1.1

 */

public interface ServerRef extends RemoteRef {

    /** indicate compatibility with JDK 1.1.x version of class. */

    static final long serialVersionUID = -4557750989390278438L;

    /**

     * Creates a client stub object for the supplied Remote object.

     * If the call completes successfully, the remote object should

     * be able to accept incoming calls from clients.

     * @param obj the remote object implementation

     * @param data information necessary to export the object

     * @return the stub for the remote object

     * @exception RemoteException if an exception occurs attempting

     * to export the object (e.g., stub class could not be found)

     * @since JDK1.1

     */

    RemoteStub exportObject(Remote obj, Object data)

        throws RemoteException;

    /**

     * Returns the hostname of the current client.  When called from a

     * thread actively handling a remote method invocation the

     * hostname of the client is returned.

     * @return the client's host name

     * @exception ServerNotActiveException if called outside of servicing

     * a remote method invocation

     * @since JDK1.1

     */

    String getClientHost() throws ServerNotActiveException;

}