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;
22:
23: import com.db4o.*;
24: import com.db4o.query.*;
25:
26: public class SodaNoDuplicates {
27:
28: public Atom atom;
29:
30: public void store() {
31: Test.deleteAllInstances(this );
32: Test.deleteAllInstances(new Atom());
33: Atom m1 = new Atom("One");
34: Atom m2 = new Atom("Two");
35: SodaNoDuplicates snd = new SodaNoDuplicates();
36: snd.atom = m1;
37: Test.store(snd);
38: snd = new SodaNoDuplicates();
39: snd.atom = m1;
40: Test.store(snd);
41: snd = new SodaNoDuplicates();
42: snd.atom = m2;
43: Test.store(snd);
44: snd = new SodaNoDuplicates();
45: snd.atom = m2;
46: Test.store(snd);
47: }
48:
49: public void test() {
50: Query q = Test.query();
51: q.constrain(SodaNoDuplicates.class);
52: Query qAtoms = q.descend("atom");
53: ObjectSet set = qAtoms.execute();
54: Test.ensure(set.size() == 2);
55: }
56:
57: }
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