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Java > Open Source Codes > org > exolab > jms > net > util > ThreadFactory


1 /**
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3  * ("Software"), with or without modification, are permitted provided
4  * that the following conditions are met:
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10  * 2. Redistributions in binary form must reproduce the
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12  * following disclaimer in the documentation and/or other
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16  * products derived from this Software without prior written
17  * permission of Exoffice Technologies. For written permission,
18  * please contact info@exolab.org.
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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.
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25  * 5. Due credit should be given to the Exolab Project
26  * (http://www.exolab.org/).
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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
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34  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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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 2004 (C) Exoffice Technologies Inc. All Rights Reserved.
42  *
43  * $Id: ThreadFactory.java,v 1.1 2004/11/26 01:51:06 tanderson Exp $
44  */
45
46 package org.exolab.jms.net.util;
47
48
49 /**
50  * Thread factory
51  *
52  * @author <a HREF="mailto:tma@netspace.net.au">Tim Anderson</a>
53  * @version $Revision: 1.1 $ $Date: 2004/11/26 01:51:06 $
54  */
55 public class ThreadFactory
56         implements EDU.oswego.cs.dl.util.concurrent.ThreadFactory {
57
58     /**
59      * The thread group which threads will belong to. May be <code>null</code>
60      */
61     private final ThreadGroup JavaDoc _group;
62
63     /**
64      * The name to prefix each thread name with
65      */
66     private final String JavaDoc _name;
67
68     /**
69      * Determines if threads will be daemon threads
70      */
71     private final boolean _daemon;
72
73     /**
74      * Seed value for thread names
75      */
76     private volatile int _nameSeed = 0;
77
78
79     /**
80      * Construct a new <code>ThreadFactory</code>
81      *
82      * @param group the thread group. May be <code>null</code>
83      * @param name the name to prefix each thread name with
84      * @param daemon if <code>true</code> all threads will be daemon threads
85      */
86     public ThreadFactory(ThreadGroup JavaDoc group, String JavaDoc name, boolean daemon) {
87         _group = group;
88         _name = name;
89         _daemon = daemon;
90     }
91
92
93     /**
94      * Create a new thread that will run the given command when started
95      *
96      * @param command the command to run. May be <code>null</code>
97      * @return a new thread
98      */
99     public Thread JavaDoc newThread(Runnable JavaDoc command) {
100         String JavaDoc name = null;
101         if (_name != null) {
102             int suffix = ++_nameSeed;
103             name = _name + suffix;
104         }
105         Thread JavaDoc thread = new Thread JavaDoc(_group, command, name);
106         thread.setDaemon(_daemon);
107         return thread;
108     }
109 }
110
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