/* * Copyright (c) 1996, 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. */ 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;}