1 /* 2 * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.rmi.server; 27 28 import java.io.IOException; 29 import java.io.NotSerializableException; 30 import java.io.ObjectOutput; 31 import java.rmi.*; 32 import java.rmi.server.*; 33 import java.rmi.activation.ActivationID; 34 import sun.rmi.transport.LiveRef; 35 36 /** 37 * Server-side ref for a persistent remote impl. 38 * 39 * @author Ann Wollrath 40 */ 41 @SuppressWarnings("serial") // Externalizable class w/o no-arg c'tor 42 public class ActivatableServerRef extends UnicastServerRef2 { 43 44 private static final long serialVersionUID = 2002967993223003793L; 45 46 private ActivationID id; 47 48 /** 49 * Construct a Unicast server remote reference to be exported 50 * on the specified port. 51 */ 52 public ActivatableServerRef(ActivationID id, int port) 53 { 54 this(id, port, null, null); 55 } 56 57 /** 58 * Construct a Unicast server remote reference to be exported 59 * on the specified port. 60 */ 61 public ActivatableServerRef(ActivationID id, int port, 62 RMIClientSocketFactory csf, 63 RMIServerSocketFactory ssf) 64 { 65 super(new LiveRef(port, csf, ssf)); 66 this.id = id; 67 } 68 69 /** 70 * Returns the class of the ref type to be serialized 71 */ 72 public String getRefClass(ObjectOutput out) 73 { 74 return "ActivatableServerRef"; 75 } 76 77 /** 78 * Return the client remote reference for this remoteRef. 79 * In the case of a client RemoteRef "this" is the answer. 80 * For a server remote reference, a client side one will have to 81 * found or created. 82 */ 83 protected RemoteRef getClientRef() { 84 return new ActivatableRef(id, new UnicastRef2(ref)); 85 } 86 87 /** 88 * Prevents serialization (because deserializaion is impossible). 89 */ 90 public void writeExternal(ObjectOutput out) throws IOException { 91 throw new NotSerializableException( 92 "ActivatableServerRef not serializable"); 93 } 94 }