| /* RemoteRef.java -- |
| Copyright (c) 1996, 1997, 1998, 1999, 2004, 2006 |
| Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package java.rmi.server; |
| |
| import java.io.Externalizable; |
| import java.io.ObjectOutput; |
| import java.lang.reflect.Method; |
| import java.rmi.Remote; |
| import java.rmi.RemoteException; |
| |
| /** |
| * Represents a handler to the remote object. Each instance of the |
| * {@link RemoteStub} contains such handler and uses it to invoke remote |
| * methods via {@link #invoke(Remote, Method, Object[], long)}. |
| */ |
| public interface RemoteRef extends Externalizable |
| { |
| /** |
| * Indicates compatibility with JDK 1.1.* |
| */ |
| long serialVersionUID = 3632638527362204081L; |
| |
| /** |
| * For binary compatibility with the JDK, the string "sun.rmi.server". |
| * Not actually used for anything. |
| */ |
| String packagePrefix = "sun.rmi.server"; |
| |
| /** |
| * @deprecated use {@link #invoke(Remote, Method, Object[], long)} instead. |
| */ |
| void invoke (RemoteCall call) throws Exception; |
| |
| /** |
| * Invoke a method. This method either returns the result of remote invocation |
| * or throws RemoteException if the remote call failed. Other exceptions may |
| * be thrown if some problem has occured in the application level. |
| * |
| * @param obj the object, containing the remote reference (for instance, |
| * remote stub, generated by rmic). |
| * @param method the method to invoke |
| * @param params the method parameters |
| * @param methodHash a persistent hash code that can be used to represent a |
| * method |
| * @return the result of the remote invocation |
| * @throws RemoteException if the remote call has failed |
| * @throws Exception if one is raised at the application level |
| */ |
| Object invoke (Remote obj, Method method, Object[] params, long methodHash) |
| throws Exception; |
| |
| /** |
| * @deprecated use {@link #invoke(Remote, Method, Object[], long)} instead. |
| */ |
| RemoteCall newCall (RemoteObject obj, Operation[] op, int opnum, long hash) |
| throws RemoteException; |
| |
| /** |
| * @deprecated use {@link #invoke(Remote, Method, Object[], long)} instead. |
| */ |
| void done (RemoteCall call) throws RemoteException; |
| |
| /** |
| * Compare two remote objects for equality. The references are equal if |
| * they point to the same remote object. |
| * |
| * @param ref the reference to compare. |
| * |
| * @return true if this and passed references both point to the same remote |
| * object, false otherwise. |
| */ |
| boolean remoteEquals (RemoteRef ref); |
| |
| /** |
| * Get the hashcode for a remote object. Two remote object stubs, referring |
| * to the same remote object, have the same hash code. |
| * |
| * @return the hashcode of the remote object |
| */ |
| int remoteHashCode(); |
| |
| |
| /** |
| * Returns the class name of the reference type that must be written to the |
| * given stream. When writing, this returned name is passed first, and |
| * the reference.writeExternal(out) writes the reference specific data. |
| * |
| * @param out the stream, where the data must be written |
| * |
| * @return the class name. |
| */ |
| String getRefClass (ObjectOutput out); |
| |
| /** |
| * Get the string representation of this remote reference. |
| * |
| * @return the string representation. |
| */ |
| String remoteToString(); |
| } |