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.querying;
22:
23: import com.db4o.config.*;
24: import com.db4o.foundation.*;
25:
26: import db4ounit.*;
27: import db4ounit.extensions.*;
28:
29: public class CascadeOnUpdate extends AbstractDb4oTestCase {
30:
31: public static void main(String[] arguments) {
32: new CascadeOnUpdate().runClientServer();
33: }
34:
35: public static class Atom {
36:
37: public Atom child;
38: public String name;
39:
40: public Atom() {
41: }
42:
43: public Atom(Atom child) {
44: this .child = child;
45: }
46:
47: public Atom(String name) {
48: this .name = name;
49: }
50:
51: public Atom(Atom child, String name) {
52: this (child);
53: this .name = name;
54: }
55: }
56:
57: public Object child;
58:
59: protected void configure(Configuration conf) {
60: conf.objectClass(this ).cascadeOnUpdate(true);
61: }
62:
63: protected void store() {
64: CascadeOnUpdate cou = new CascadeOnUpdate();
65: cou.child = new Atom(new Atom("storedChild"), "stored");
66: db().set(cou);
67: }
68:
69: public void test() throws Exception {
70: foreach(getClass(), new Visitor4() {
71: public void visit(Object obj) {
72: CascadeOnUpdate cou = (CascadeOnUpdate) obj;
73: ((Atom) cou.child).name = "updated";
74: ((Atom) cou.child).child.name = "updated";
75: db().set(cou);
76: }
77: });
78:
79: reopen();
80:
81: foreach(getClass(), new Visitor4() {
82: public void visit(Object obj) {
83: CascadeOnUpdate cou = (CascadeOnUpdate) obj;
84: Atom atom = (Atom) cou.child;
85: Assert.areEqual("updated", atom.name);
86: Assert.areNotEqual("updated", atom.child.name);
87: }
88: });
89: }
90: }
|