1 /***
2 * Redistribution and use of this software and associated documentation
3 * ("Software"), with or without modification, are permitted provided
4 * that the following conditions are met:
5 *
6 * 1. Redistributions of source code must retain copyright
7 * statements and notices. Redistributions must also contain a
8 * copy of this document.
9 *
10 * 2. Redistributions in binary form must reproduce the
11 * above copyright notice, this list of conditions and the
12 * following disclaimer in the documentation and/or other
13 * materials provided with the distribution.
14 *
15 * 3. The name "Exolab" must not be used to endorse or promote
16 * products derived from this Software without prior written
17 * permission of Exoffice Technologies. For written permission,
18 * please contact info@exolab.org.
19 *
20 * 4. Products derived from this Software may not be called "Exolab"
21 * nor may "Exolab" appear in their names without prior written
22 * permission of Exoffice Technologies. Exolab is a registered
23 * trademark of Exoffice Technologies.
24 *
25 * 5. Due credit should be given to the Exolab Project
26 * (http://www.exolab.org/).
27 *
28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39 * OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Copyright 2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: Flag.java,v 1.1 2005/08/30 06:23:11 tanderson Exp $
44 */
45 package org.exolab.jms.messagemgr;
46
47
48 /***
49 * Implementation of the {@link Condition} interface that behaves as a
50 * synchronized, mutable boolean.
51 *
52 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
53 * @version $Revision: 1.1 $ $Date: 2005/08/30 06:23:11 $
54 */
55 public class Flag implements Condition {
56
57 /***
58 * Determines if the flag is set.
59 */
60 private boolean _set = false;
61
62
63 /***
64 * Construct a new <code>Flag</code>.
65 *
66 * @param set determines if the flag is set
67 */
68 public Flag(boolean set) {
69 _set = set;
70 }
71
72 /***
73 * Returns the state of the flag.
74 *
75 * @return <code>true</code> if the flag is set, otherwise
76 * <code>false</code>
77 */
78 public synchronized boolean get() {
79 return _set;
80 }
81
82 /***
83 * Sets the state of the flag.
84 *
85 * @param value the state of the flag
86 */
87 public synchronized void set(boolean value) {
88 _set = value;
89 }
90
91 }