1 /* StubDelegate.java -- 2 Copyright (C) 2002, 2005 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 6 GNU Classpath is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU Classpath is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 21 Linking this library statically or dynamically with other modules is 22 making a combined work based on this library. Thus, the terms and 23 conditions of the GNU General Public License cover the whole 24 combination. 25 26 As a special exception, the copyright holders of this library give you 27 permission to link this library with independent modules to produce an 28 executable, regardless of the license terms of these independent 29 modules, and to copy and distribute the resulting executable under 30 terms of your choice, provided that you also meet, for each linked 31 independent module, the terms and conditions of the license of that 32 module. An independent module is a module which is not derived from 33 or based on this library. If you modify this library, you may extend 34 this exception to your version of the library, but you are not 35 obligated to do so. If you do not wish to do so, delete this 36 exception statement from your version. */ 37 38 39 package javax.rmi.CORBA; 40 41 import org.omg.CORBA.ORB; 42 43 import java.io.IOException; 44 import java.io.ObjectInputStream; 45 import java.io.ObjectOutputStream; 46 47 import java.rmi.RemoteException; 48 49 /** 50 * A delegate, implementing the functionality, provided by the {@link Stub}. 51 * The default delegate can be altered by setting the system property 52 * "javax.rmi.CORBA.StubClass" to the name of the alternative class that must 53 * implement StubDelegate. 54 * 55 * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) 56 */ 57 public interface StubDelegate 58 { 59 /** 60 * <p> 61 * Makes the stub ready for remote communication using the given ORB. 62 * </p> 63 * <p> 64 * It is frequently easier to call {@link PortableRemoteObject#connect} rather 65 * than this method. 66 * </p> 67 * 68 * @param orb the ORB where the Stub must be connected. 69 * 70 * @throws RemoteException if the stub is already connected to some other ORB. 71 * If the stub is already connected to the ORB that was passed as parameter, 72 * the method returns without action. 73 */ connect(Stub self, ORB orb)74 void connect(Stub self, ORB orb) 75 throws RemoteException; 76 77 /** 78 * The objects stubs are equal if they refer the same remote object. 79 */ equals(Stub self, Object obj)80 boolean equals(Stub self, Object obj); 81 82 /** 83 * Get the hashcode fo this delegate. 84 */ hashCode(Stub self)85 int hashCode(Stub self); 86 87 /** 88 * Read this stub from the object input stream. 89 */ readObject(Stub self, ObjectInputStream s)90 void readObject(Stub self, ObjectInputStream s) 91 throws IOException, ClassNotFoundException; 92 93 /** 94 * Write this stub to the object output stream. 95 */ writeObject(Stub self, ObjectOutputStream s)96 void writeObject(Stub self, ObjectOutputStream s) 97 throws IOException; 98 99 /** 100 * Get the string representation of this stub. 101 */ toString(Stub self)102 String toString(Stub self); 103 } 104