01: /**
02: * EasyBeans
03: * Copyright (C) 2006 Bull S.A.S.
04: * Contact: easybeans@ow2.org
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2.1 of the License, or any later version.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19: * USA
20: *
21: * --------------------------------------------------------------------------
22: * $Id: SFSBStressBean.java 1970 2007-10-16 11:49:25Z benoitf $
23: * --------------------------------------------------------------------------
24: */package org.ow2.easybeans.tests.common.ejbs.stateful.containermanaged.basic;
25:
26: import javax.ejb.Stateful;
27:
28: /**
29: * Bean used for testing concurrency on stateful.
30: * Calls should be thread safe on a bean.
31: * @author Florent Benoit
32: */
33: @Stateful
34: public class SFSBStressBean implements SFSBStressBeanRemote {
35:
36: /**
37: * Default value.
38: */
39: private static int value = 0;
40:
41: /**
42: * Sleep time (so synchro can be seen more quickly).
43: */
44: private static final int SLEEP = 100;
45:
46: /**
47: * Init the value.
48: */
49: public void initValue() {
50: value = 0;
51: }
52:
53: /**
54: * Test if a method is thread safe.
55: * It should be ensured by the container (only 1 call on an instance of this bean at once)
56: */
57: public void testThreadSafe() {
58: value++;
59: try {
60: Thread.sleep(SLEEP);
61: } catch (InterruptedException e) {
62: // TODO Auto-generated catch block
63: e.printStackTrace();
64: }
65: if (value > 1) {
66: throw new IllegalStateException("Not thread safe");
67: }
68: value--;
69: }
70: }
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