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Java > Open Source Codes > org > objectweb > transaction > lib > transaction > DependencyTypeCausal


1 /*====================================================================
2
3 ObjectWeb Transaction Working Group API
4 Contact: http://www.objectweb.org
5
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 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 Initial developer(s): Romain Rouvoy.
22 Contributor(s): ______________________________________.
23
24 ---------------------------------------------------------------------
25 $Id: DependencyTypeCausal.java,v 1.1.1.1 2003/12/01 15:14:19 rouvoy Exp $
26 ====================================================================*/
27 package org.objectweb.transaction.lib.transaction;
28
29 import org.objectweb.transaction.api.dependency.DependencyType;
30
31 /**
32  * DependencyType for a causal inter-transactions dependency.</BR>
33  * <b>Causal Dependency</b>: This type of dependency should cause a
34  * significant event in case of occurence of another significant event.
35  * The ability to ensure a causal dependency depends on the forcability
36  * of the significant event that should be caused.
37  *
38  * @author <a HREF="mailto:Romain.Rouvoy@lifl.fr">Romain Rouvoy</a>
39  * @version 0.1
40  */
41 public class DependencyTypeCausal
42   implements DependencyType
43 {
44     /** Int value for dependency type <i>Causal</i>. */
45     public static final int value = DependencyTypeCausal.class.getName().hashCode();
46
47     /** Object value for the dependency type <i>Causal</i>. */
48     public static final DependencyType type = new DependencyTypeCausal();
49
50     /* (non-Javadoc)
51      * @see org.objectweb.transaction.api.dependency.DependencyType#getValue()
52      */
53     public int getValue() {
54         return value;
55     }
56
57     /* (non-Javadoc)
58      * @see java.lang.Object#toString()
59      */
60     public String JavaDoc toString() {
61         return "Causal Transactions Dependency Type" ;
62     }
63 }
64
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