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Java > Open Source Codes > com > db4o > test > Rename


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10 Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11 Suite 350, San Mateo, CA 94403, USA.
12
13 db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */

21 package com.db4o.test;
22
23 import com.db4o.*;
24 import com.db4o.config.*;
25
26 public class Rename {
27
28     public void test() {
29
30         if (Test.run == 1) {
31
32             if (!Test.clientServer || !Test.currentRunner.SOLO) {
33
34                 Test.deleteAllInstances(One.class);
35
36                 Test.store(new One("wasOne"));
37
38                 Test.ensureOccurrences(One.class, 1);
39
40                 Test.commit();
41
42                 // Rename messages are visible at level 1
43
// Db4o.configure().messageLevel(1);
44

45                 ObjectClass oc = Db4o.configure().objectClass(One.class);
46
47                 // allways rename fields first
48
oc.objectField("nameOne").rename("nameTwo");
49                 oc.rename(Two.class.getName());
50
51                 Test.reOpenServer();
52
53                 Test.ensureOccurrences(Two.class, 1);
54                 Test.ensureOccurrences(One.class, 0);
55                 Two two = (Two)Test.getOne(Two.class);
56                 Test.ensure(two.nameTwo.equals("wasOne"));
57                 
58                 // If the messageLevel was changed above, switch back to default.
59
// Db4o.configure().messageLevel(0);
60
}
61
62         }
63
64     }
65
66     public static class One {
67         public String JavaDoc nameOne;
68
69         public One() {
70
71         }
72
73         public One(String JavaDoc name) {
74             nameOne = name;
75         }
76     }
77
78     public static class Two {
79
80         public String JavaDoc nameTwo;
81
82     }
83
84 }
85
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