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.jre11.concurrency;
22:
23: import java.util.*;
24:
25: import com.db4o.config.*;
26: import com.db4o.db4ounit.common.persistent.*;
27: import com.db4o.ext.*;
28:
29: import db4ounit.*;
30: import db4ounit.extensions.*;
31:
32: public class CascadeToExistingVectorMemberTestCase extends
33: Db4oClientServerTestCase {
34:
35: public static void main(String[] args) {
36: new CascadeToExistingVectorMemberTestCase().runConcurrency();
37: }
38:
39: public static class Item {
40: public Vector vec;
41: }
42:
43: protected void configure(Configuration config) {
44: config.objectClass(Item.class).cascadeOnUpdate(true);
45: config.objectClass(Atom.class).cascadeOnUpdate(false);
46: }
47:
48: protected void store() {
49: Item item = new Item();
50: item.vec = new Vector();
51: Atom atom = new Atom("one");
52: store(atom);
53: item.vec.addElement(atom);
54: store(item);
55: }
56:
57: public void conc(final ExtObjectContainer oc, final int seq) {
58: Item item = (Item) retrieveOnlyInstance(oc, Item.class);
59: Atom atom = (Atom) item.vec.elementAt(0);
60: atom.name = "two" + seq;
61: oc.set(item);
62: atom.name = "three" + seq;
63: oc.set(item);
64: }
65:
66: public void check(final ExtObjectContainer oc) {
67: Item item = (Item) retrieveOnlyInstance(oc, Item.class);
68: Atom atom = (Atom) item.vec.elementAt(0);
69: Assert.isTrue(atom.name.startsWith("three"));
70: Assert.isTrue(atom.name.length() > "three".length());
71: }
72: }
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