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Java > Open Source Codes > org > objectweb > openccm > pss > runtime > jdo > lib > StorageObjectBase


1 /*====================================================================
2
3 OpenCCM: The Open CORBA Component Model Platform
4 Copyright (C) 2000-2004 INRIA & USTL - LIFL - GOAL
5 Contact: openccm@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): Christophe Demarey.
23 Contributor(s): ______________________________________.
24
25 ====================================================================*/
26
27 package org.objectweb.openccm.pss.runtime.jdo.lib;
28
29 /**
30  * This is a base class for Storage Objects implemented with JDO.
31  *
32  * @author <a HREF="mailto:Christophe.Demarey@lifl.fr">Christophe Demarey</a>
33  *
34  * @version 0.1
35  */
36 public abstract class StorageObjectBase
37               extends org.objectweb.openccm.pss.runtime.common.lib.StorageObjectBase
38            implements org.objectweb.openccm.pss.runtime.jdo.api.StorageObject
39 {
40     // ==================================================================
41 //
42 // Internal state.
43 //
44 // ==================================================================
45
46     // ==================================================================
47 //
48 // Constructor.
49 //
50 // ==================================================================
51
52     /**
53      * The default constructor.
54      */
55     public StorageObjectBase()
56     {
57         super();
58     }
59
60     // ==================================================================
61 //
62 // Internal methods.
63 //
64 // ==================================================================
65
66     /**
67      * Create the short PID.
68      */
69     private String JavaDoc
70     create_short_pid()
71     {
72         return javax.jdo.JDOHelper.getObjectId(this).toString();
73     }
74
75     // ==================================================================
76 //
77 // Public methods.
78 //
79 // ==================================================================
80
81     // ==================================================================
82 //
83 // Methods for org.omg.CosPersistentState.StorageObject
84 //
85 // ==================================================================
86
87     /**
88      * Destroy the associated Storage Object.
89      */
90     public void
91     destroy_object()
92     {
93         org.objectweb.openccm.pss.runtime.jdo.api.CatalogBase catalog = null;
94         javax.jdo.PersistenceManager pm = null;
95
96         // Get the persistent manager
97 catalog = (org.objectweb.openccm.pss.runtime.jdo.api.CatalogBase)
98                         get_storage_home().get_catalog();
99         pm = catalog.get_persistence_manager();
100
101         // Remove the storage type
102 catalog.begin_tx();
103         pm.deletePersistent(this);
104         catalog.commit_tx();
105    }
106
107     // ==================================================================
108 //
109 // Methods for org.objectweb.openccm.pss.runtime.common.api.StorageObject
110 //
111 // ==================================================================
112
113     /**
114      * Get the PID.
115      */
116     public byte[]
117     get_pid()
118     {
119         if (_pid == null)
120         {
121             org.objectweb.openccm.pss.runtime.jdo.api.StorageHomeBase sh = null;
122
123             sh = (org.objectweb.openccm.pss.runtime.jdo.api.StorageHomeBase) get_storage_home();
124             _pid = sh.create_pid( create_short_pid() );
125         }
126         return _pid;
127     }
128
129     // ==================================================================
130 //
131 // Methods for org.objectweb.openccm.pss.runtime.jdo.api.StorageObject
132 //
133 // ==================================================================
134
135 }
136
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