1 /*
2 * Copyright (c) 2004, Bruce Lowery
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * - Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * - Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * - Neither the name of JEGG nor the names of its contributors may be used
14 * to endorse or promote products derived from this software without
15 * specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29 package jegg;
30
31 import java.util.logging.Logger;
32
33 import jegg.registry.LocatePortResponse;
34 import jegg.timer.Timeout;
35 import jegg.timer.Timer;
36
37 /***
38 *
39 */
40 public class EggClassB extends Egg
41 {
42 public static final Logger log = Logger.getLogger(EggClassB.class.getName());
43 public Object msg = new Object();
44 public Object response = null;
45 public Timer timer = null;
46
47 public EggClassB(String s)
48 {
49 super(s);
50 log.info("EggClassB: looking up port for EggClassA");
51 requestPort("egg_a:Port");
52 timer = createSingleShotTimer(1000);
53 }
54
55 /***
56 * Receive the requested port from the port registgry.
57 * @param p
58 */
59 protected void handle(LocatePortResponse r)
60 {
61 log.info("Sending message to EggClassA");
62 Port p = r.getPort();
63 p.send(createMessage(msg));
64 }
65
66 protected void handle(Timeout t)
67 {
68 if (t.getTimer().equals(timer))
69 {
70 log.info("Timer expired.");
71 }
72 else
73 {
74 log.info("Timeout from unrecognized Timer");
75 }
76 }
77
78 /***
79 * Default message handler.
80 */
81 public void handle(Object message)
82 {
83 log.info("EggClassB: Got response from EggClassA");
84 response = message;
85 }
86
87 }
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