/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

import java.rmi.RemoteException;

import java.rmi.server.UnicastRemoteObject;

import java.util.logging.Logger;

import java.util.logging.Level;

/**

 * The OrangeEchoImpl class implements the behavior of the remote "orange

 * echo" objects exported by the server.  The purpose of these objects

 * is simply to recursively call back to their caller.

 */

public class OrangeEchoImpl extends UnicastRemoteObject implements OrangeEcho {

    private static final Logger logger =

        Logger.getLogger("reliability.orangeecho");

    private final String name;

    public OrangeEchoImpl(String name) throws RemoteException {

        this.name = name;

    }

    /**

     * Call back on supplied "orange" object (presumably the caller)

     * with the same message data and a decremented recursion level.

     */

    public int[] recurse(Orange orange, int[] message, int level)

        throws RemoteException

    {

        String threadName = Thread.currentThread().getName();

        logger.log(Level.FINEST,

            threadName + ": " + toString() + ".recurse(message["

            + message.length + "], " + level + "): BEGIN");

        int[] response = orange.recurse(this, message, level - 1);

        logger.log(Level.FINEST,

            threadName + ": " + toString() + ".recurse(message["

            + message.length + "], " + level + "): END");

        return response;

    }

    public String toString() {

        return name;

    }

}