01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: 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.db4ounit.common.assorted;
22:
23: import com.db4o.ext.ExtObjectContainer;
24:
25: import db4ounit.Assert;
26: import db4ounit.extensions.Db4oClientServerTestCase;
27:
28: public class RollbackUpdateTestCase extends Db4oClientServerTestCase {
29:
30: public static void main(String[] args) {
31: new RollbackUpdateTestCase().runClientServer();
32: }
33:
34: protected void store() {
35: store(new SimpleObject("hello", 1));
36: }
37:
38: public void test() {
39: ExtObjectContainer oc1 = openNewClient();
40: ExtObjectContainer oc2 = openNewClient();
41: ExtObjectContainer oc3 = openNewClient();
42: try {
43: SimpleObject o1 = (SimpleObject) retrieveOnlyInstance(oc1,
44: SimpleObject.class);
45: o1.setS("o1");
46: oc1.set(o1);
47: SimpleObject o2 = (SimpleObject) retrieveOnlyInstance(oc2,
48: SimpleObject.class);
49: Assert.areEqual("hello", o2.getS());
50:
51: oc1.rollback();
52: o2 = (SimpleObject) retrieveOnlyInstance(oc2,
53: SimpleObject.class);
54: oc2.refresh(o2, Integer.MAX_VALUE);
55: Assert.areEqual("hello", o2.getS());
56:
57: oc1.commit();
58: o2 = (SimpleObject) retrieveOnlyInstance(oc2,
59: SimpleObject.class);
60: Assert.areEqual("hello", o2.getS());
61:
62: oc1.set(o1);
63: oc1.commit();
64: oc2.refresh(o2, Integer.MAX_VALUE);
65: o2 = (SimpleObject) retrieveOnlyInstance(oc2,
66: SimpleObject.class);
67: Assert.areEqual("o1", o2.getS());
68:
69: SimpleObject o3 = (SimpleObject) retrieveOnlyInstance(oc3,
70: SimpleObject.class);
71: Assert.areEqual("o1", o3.getS());
72: } finally {
73: oc1.close();
74: oc2.close();
75: oc3.close();
76: }
77: }
78:
79: }
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