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Java > Open Source Codes > com > db4o > db4ounit > common > querying > ConjunctiveQbETestCase


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 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.*;
24 import com.db4o.query.*;
25
26 import db4ounit.*;
27 import db4ounit.extensions.*;
28
29 public class ConjunctiveQbETestCase extends AbstractDb4oTestCase {
30
31     public static class Sup {
32         public boolean _flag;
33
34         public Sup(boolean flag) {
35             this._flag = flag;
36         }
37         
38         public ObjectSet query(ObjectContainer db) {
39             Query query=db.query();
40             query.constrain(this);
41             query.descend("_flag").constrain(Boolean.TRUE).not();
42             return query.execute();
43         }
44     }
45
46     public static class Sub1 extends Sup {
47         public Sub1(boolean flag) {
48             super(flag);
49         }
50     }
51
52     public static class Sub2 extends Sup {
53         public Sub2(boolean flag) {
54             super(flag);
55         }
56     }
57     
58     protected void store() throws Exception JavaDoc {
59         store(new Sub1(false));
60         store(new Sub1(true));
61         store(new Sub2(false));
62         store(new Sub2(true));
63     }
64     
65     public void testAndedQbE() {
66         Assert.areEqual(1,new Sub1(false).query(db()).size());
67     }
68 }
69
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