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.concurrency;
22:
23: import com.db4o.*;
24: import com.db4o.ext.*;
25: import com.db4o.query.*;
26:
27: import db4ounit.*;
28: import db4ounit.extensions.*;
29:
30: public class DifferentAccessPathsTestCase extends
31: Db4oClientServerTestCase {
32:
33: public static void main(String[] args) {
34: new DifferentAccessPathsTestCase().runConcurrency();
35: }
36:
37: public String foo;
38:
39: protected void store() {
40: DifferentAccessPathsTestCase dap = new DifferentAccessPathsTestCase();
41: dap.foo = "hi";
42: store(dap);
43: dap = new DifferentAccessPathsTestCase();
44: dap.foo = "hi too";
45: store(dap);
46: }
47:
48: public void conc(ExtObjectContainer oc) throws Exception {
49: DifferentAccessPathsTestCase dap = query(oc);
50: for (int i = 0; i < 10; i++) {
51: Assert.areSame(dap, query(oc));
52: }
53: oc.purge(dap);
54: Assert.areNotSame(dap, query(oc));
55: }
56:
57: private DifferentAccessPathsTestCase query(ExtObjectContainer oc) {
58: Query q = oc.query();
59: q.constrain(DifferentAccessPathsTestCase.class);
60: q.descend("foo").constrain("hi");
61: ObjectSet os = q.execute();
62: Assert.areEqual(1, os.size());
63: DifferentAccessPathsTestCase dap = (DifferentAccessPathsTestCase) os
64: .next();
65: return dap;
66: }
67:
68: }
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