1 /*

     2  * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 import java.rmi.RemoteException;

    25 import java.rmi.server.UnicastRemoteObject;

    26 import java.util.logging.Logger;

    27 import java.util.logging.Level;

    28 

    29 /**

    30  * The OrangeImpl class implements the behavior of the remote "orange"

    31  * objects exported by the appplication.

    32  */

    33 public class OrangeImpl

    34     extends UnicastRemoteObject

    35     implements Orange

    36 {

    37 

    38     private static Logger logger = Logger.getLogger("reliability.orange");

    39     private String name;

    40 

    41     public OrangeImpl(String name) throws RemoteException {

    42         this.name = name;

    43     }

    44 

    45     /**

    46      * Return inverted message data, call through supplied OrangeEcho

    47      * object if not at recursion level zero.

    48      */

    49     public int[] recurse(OrangeEcho echo, int[] message, int level)

    50         throws RemoteException

    51     {

    52         try {

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

    54             logger.log(Level.FINEST,

    55                 threadName + ": " + toString() +

    56                 ".recurse(message[" + message.length + "], " +

    57                 level + "): BEGIN");

    58 

    59             int[] response;

    60             if (level > 0)

    61                 response = echo.recurse(this, message, level);

    62             else {

    63                 for (int i = 0; i < message.length; ++ i)

    64                     message[i] = ~message[i];

    65                 response = message;

    66             }

    67 

    68             logger.log(Level.FINEST,

    69                 threadName + ": " + toString() +

    70                 ".recurse(message[" + message.length + "], " +

    71                 level + "): END");

    72 

    73             return response;

    74         } catch (RuntimeException e) {

    75             logger.log(Level.SEVERE, toString() + ".recurse():", e);

    76             throw e;

    77         }

    78     }

    79 

    80     public String toString() {

    81         return name;

    82     }

    83 }