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Java > Open Source Codes > org > objectweb > openccm > plugins > transaction > controller > WithControlController


1 /*====================================================================
2
3 OpenCCM: The Open CORBA Component Model Platform
4 Copyright (C) 2001-2002 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.controller;
28
29 /**
30  * This class implements an transactionnal profile for the
31  * OpenCCM::Containers::CallController interface.
32  *
33  * @author <a HREF="mailto:Romain.Rouvoy@lifl.fr">Romain Rouvoy</a>
34  *
35  * @version 0.3
36  */
37 public abstract class WithControlController
38         extends WithCurrentController
39 {
40     // ==================================================================
41 //
42 // Internal state.
43 //
44 // ==================================================================
45
46     /**
47      * Reference to the current transaction
48      *
49      */
50     protected org.omg.CosTransactions.Control control_;
51
52     
53     // ==================================================================
54 //
55 // Constructor.
56 //
57 // ==================================================================
58
59     /**
60      ** The constructor.
61      **
62      **/
63     public
64     WithControlController()
65     {
66                 control_ = null;
67         }
68
69
70     // ==================================================================
71 //
72 // Internal methods.
73 //
74 // ==================================================================
75
76         /**
77          ** Suspend the current transaction
78          **
79          ** @param ctx the operation call context
80          **/
81         protected void
82         suspend(org.objectweb.openccm.Containers.CallContext ctx)
83         {
84                 control_ = current_.suspend();
85         }
86
87         /**
88          ** Resume the suspended trnasaction
89          **
90          ** @param ctx the operation call context
91          **/
92         protected void
93         resume(org.objectweb.openccm.Containers.CallContext ctx)
94         {
95                 if (control_ != null)
96                         {
97                                 try
98                                         {
99                                                 current_.resume(control_);
100                                         } catch (org.omg.CosTransactions.InvalidControl ex) {
101                                         }
102                                 control_ = null;
103                         }
104         }
105         
106     // ==================================================================
107 //
108 // Public methods for the CallController interface.
109 //
110 // ==================================================================
111
112     // ==================================================================
113 //
114 // Public methods for the CallProtocol interface.
115 //
116 // ==================================================================
117
118     //
119 // IDL:goal.lifl.fr/OpenCCM/Containers/CallProtocol/preinvoke:1.0
120 //
121 /**
122      **
123      **/
124     public abstract void
125         preinvoke(org.objectweb.openccm.Containers.CallContext ctx);
126         
127     //
128 // IDL:goal.lifl.fr/OpenCCM/Containers/CallProtocol/postinvoke:1.0
129 //
130 /**
131      **
132      **/
133     public abstract void
134         postinvoke(org.objectweb.openccm.Containers.CallContext ctx);
135
136     // ==================================================================
137 //
138 // Public methods for the SystemComponent interface.
139 //
140 // ==================================================================
141
142     // ==================================================================
143 //
144 // Public methods for the Configuration interface.
145 //
146 // ==================================================================
147
148     //
149 // IDL:goal.lifl.fr/OpenCCM/Containers/Configuration/configure:1.0
150 //
151 /**
152      **
153      **/
154     public abstract void
155       configure(org.objectweb.openccm.Containers.PropertySet config)
156                 throws org.objectweb.openccm.Containers.ConfigurationFailed;
157 }
158
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