Java tutorial
/* * Copyright (c) 1998, 2001, 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.io.*; import java.net.*; /** * An <code>RMIClientSocketFactory</code> instance is used by the RMI runtime * in order to obtain client sockets for RMI calls. A remote object can be * associated with an <code>RMIClientSocketFactory</code> when it is * created/exported via the constructors or <code>exportObject</code> methods * of <code>java.rmi.server.UnicastRemoteObject</code> and * <code>java.rmi.activation.Activatable</code> . * * <p>An <code>RMIClientSocketFactory</code> instance associated with a remote * object will be downloaded to clients when the remote object's reference is * transmitted in an RMI call. This <code>RMIClientSocketFactory</code> will * be used to create connections to the remote object for remote method calls. * * <p>An <code>RMIClientSocketFactory</code> instance can also be associated * with a remote object registry so that clients can use custom socket * communication with a remote object registry. * * <p>An implementation of this interface should be serializable and * should implement {@link Object#equals} to return <code>true</code> when * passed an instance that represents the same (functionally equivalent) * client socket factory, and <code>false</code> otherwise (and it should also * implement {@link Object#hashCode} consistently with its * <code>Object.equals</code> implementation). * * @author Ann Wollrath * @author Peter Jones * @since 1.2 * @see java.rmi.server.UnicastRemoteObject * @see java.rmi.activation.Activatable * @see java.rmi.registry.LocateRegistry */ public interface RMIClientSocketFactory { /** * Create a client socket connected to the specified host and port. * @param host the host name * @param port the port number * @return a socket connected to the specified host and port. * @exception IOException if an I/O error occurs during socket creation * @since 1.2 */ public Socket createSocket(String host, int port) throws IOException; }