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Java > Open Source Codes > org > objectweb > openccm > plugins > transaction > deployment > util > ResourcePrepare


1 /*====================================================================
2
3 OpenCCM: The Open CORBA Component Model Platform
4 Copyright (C) 2000-2002 USTL - LIFL - GOAL
5 Contact: openccm-team@objectweb.org
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or any later version.
11
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 USA
21
22 Initial developer(s): Romain Rouvoy.
23 Contributor(s): ______________________________________.
24
25 ====================================================================*/
26
27 package org.objectweb.openccm.plugins.transaction.deployment.util;
28
29
30 /**
31  * Definition of available treatment on a resource
32  *
33  * @author <a HREF="mailto:Romain.Rouvoy@lifl.fr">Romain Rouvoy</a>
34  *
35  * @version 0.3
36  */
37 public class ResourcePrepare
38 implements ResourceTreatment
39 {
40     // ==================================================================
41 //
42 // Internal state.
43 //
44 // ==================================================================
45 /**
46          ** final vote
47          **/
48         protected org.omg.CosTransactions.Vote the_vote_;
49
50
51     // ==================================================================
52 //
53 // Constructor.
54 //
55 // ==================================================================
56 /**
57          * Default Constructor
58          */
59         public
60         ResourcePrepare()
61         {
62                 the_vote_ = org.omg.CosTransactions.Vote.VoteCommit;
63         }
64
65
66         // ==================================================================
67 //
68 // Internal methods.
69 //
70 // ==================================================================
71
72     // ==================================================================
73 //
74 // Public methods.
75 //
76 // ==================================================================
77 /**
78          * Provide the final vote for all the resources of the vector
79          *
80          * @return the final vote (Commit or Rollback)
81          */
82         public org.omg.CosTransactions.Vote
83         final_vote()
84         {
85                 return the_vote_;
86         }
87
88
89     // ==================================================================
90 //
91 // Methods for the ResourceTreatment interface.
92 //
93 // ==================================================================
94 //
95 // JAVA:ResourceTreatment/apply
96 //
97 /**
98      * Definition of the treatment to apply on the specified resource
99      *
100      * @param resource resource concerned by the treatment
101      *
102      */
103     public void
104     apply (org.omg.CosTransactions.Resource resource)
105     throws Exception JavaDoc
106     {
107                 try
108                 {
109                         org.omg.CosTransactions.Vote _vote = resource.prepare();
110                         if (_vote == org.omg.CosTransactions.Vote.VoteRollback)
111                                 the_vote_ = org.omg.CosTransactions.Vote.VoteRollback ;
112                 } catch(Exception JavaDoc ex) {
113                         the_vote_ = org.omg.CosTransactions.Vote.VoteRollback ;
114                 }
115         }
116 }
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