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.config.Configuration;
24: import com.db4o.db4ounit.common.persistent.*;
25: import com.db4o.ext.ExtObjectContainer;
26:
27: import db4ounit.Assert;
28: import db4ounit.extensions.Db4oClientServerTestCase;
29:
30: public class CascadeOnUpdate2TestCase extends Db4oClientServerTestCase {
31:
32: public static void main(String[] args) {
33: new CascadeOnUpdate2TestCase().runConcurrency();
34: }
35:
36: private static final int ATOM_COUNT = 10;
37:
38: public static class Item {
39: public Atom[] child;
40: }
41:
42: protected void configure(Configuration config) {
43: config.objectClass(Item.class).cascadeOnUpdate(true);
44: config.objectClass(Atom.class).cascadeOnUpdate(false);
45: }
46:
47: protected void store() {
48: Item item = new Item();
49: item.child = new Atom[ATOM_COUNT];
50: for (int i = 0; i < ATOM_COUNT; i++) {
51: item.child[i] = new Atom(new Atom("storedChild"), "stored");
52: }
53: store(item);
54: }
55:
56: public void conc(ExtObjectContainer oc, int seq) {
57: Item item = (Item) retrieveOnlyInstance(oc, Item.class);
58: for (int i = 0; i < ATOM_COUNT; i++) {
59: item.child[i].name = "updated" + seq;
60: item.child[i].child.name = "updated" + seq;
61: oc.set(item);
62: }
63: }
64:
65: public void check(ExtObjectContainer oc) {
66: Item item = (Item) retrieveOnlyInstance(oc, Item.class);
67: String name = item.child[0].name;
68: Assert.isTrue(name.startsWith("updated"));
69: for (int i = 0; i < ATOM_COUNT; i++) {
70: Assert.areEqual(name, item.child[i].name);
71: Assert.areEqual("storedChild", item.child[i].child.name);
72: }
73: }
74: }
|