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