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 
OrangeImpl(String name)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      */
recurse(OrangeEcho echo, int[] message, int level)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 
toString()80     public String toString() {
81         return name;
82     }
83 }
84