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.test.concurrency;
22:
23: import java.util.*;
24:
25: import com.db4o.*;
26: import com.db4o.ext.*;
27: import com.db4o.query.*;
28: import com.db4o.test.*;
29:
30: public class CascadedDeleteStaleReference {
31:
32: List list;
33: CDSReference ref;
34:
35: public void configure() {
36: Db4o.configure().objectClass(this ).cascadeOnDelete(true);
37: Db4o.configure().objectClass(this ).cascadeOnUpdate(true);
38: }
39:
40: public void storeOne() {
41: list = Test.objectContainer().collections().newLinkedList();
42: ref = new CDSReference();
43: list.add(ref);
44: }
45:
46: public void testOne() {
47:
48: if (Test.isClientServer()) {
49:
50: ExtObjectContainer serverOC = Test.server().ext()
51: .objectContainer().ext();
52:
53: Query q = serverOC.query();
54: q.constrain(CDSReference.class);
55: ObjectSet objectSet = q.execute();
56: CDSReference willbeStale = (CDSReference) objectSet.next();
57:
58: Test.delete(this );
59: serverOC.delete(this );
60: Test.commit();
61: serverOC.commit();
62:
63: serverOC.purge(willbeStale);
64:
65: // serverOC.close();
66:
67: }
68: }
69:
70: public static class CDSReference {
71: }
72: }
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