01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package com.db4o.db4ounit.common.concurrency;
22:
23: import com.db4o.*;
24: import com.db4o.ext.*;
25: import com.db4o.messaging.*;
26:
27: import db4ounit.*;
28: import db4ounit.extensions.*;
29:
30: public class MessagingTestCase extends Db4oClientServerTestCase {
31:
32: public static final Object lock = new Object();
33:
34: public static void main(String[] args) {
35: new MessagingTestCase().runConcurrency();
36: }
37:
38: public TestMessageRecipient _recipient;
39:
40: public MessagingTestCase() {
41: _recipient = new TestMessageRecipient(threadCount());
42: }
43:
44: public void conc(ExtObjectContainer oc, int seq) {
45: MessageSender sender = null;
46:
47: // Configuration is not threadsafe.
48: synchronized (lock) {
49: if (isMTOC()) {
50: return;
51: }
52: clientServerFixture().server().ext().configure()
53: .clientServer().setMessageRecipient(_recipient);
54: sender = oc.configure().clientServer().getMessageSender();
55: }
56:
57: sender.send(new Data(seq));
58: }
59:
60: public void check(ExtObjectContainer oc) throws Exception {
61: if (isMTOC()) {
62: return;
63: }
64: Thread.sleep(1000);
65: _recipient.check();
66: }
67:
68: public static class TestMessageRecipient implements
69: MessageRecipient {
70: public int seq;
71:
72: public boolean[] processed;
73:
74: public TestMessageRecipient(int threadCount) {
75: processed = new boolean[threadCount];
76: }
77:
78: public void processMessage(ObjectContainer con, Object message) {
79: Assert.isTrue(message instanceof Data);
80: int value = ((Data) message).value;
81: processed[value] = true;
82: }
83:
84: public void check() {
85: for (int i = 0; i < processed.length; ++i) {
86: Assert.isTrue(processed[i]);
87: }
88: }
89: }
90:
91: public static class Data {
92: public int value;
93:
94: public Data(int seq) {
95: this.value = seq;
96: }
97: }
98: }
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