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-/* 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();
-}