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Java > Open Source Codes > com > db4o > test > OrClassConstraintInList


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.test;
22
23 import java.util.*;
24
25 import com.db4o.query.*;
26
27
28 /**
29  *
30  */
31 public class OrClassConstraintInList {
32     
33     int cnt;
34     List list;
35     
36     public void store(){
37         OrClassConstraintInList occ = new OrClassConstraintInList();
38         occ.list = Test.objectContainer().collections().newLinkedList();
39         occ.cnt = 0;
40         occ.list.add(new Atom());
41         Test.store(occ);
42         occ = new OrClassConstraintInList();
43         occ.list = Test.objectContainer().collections().newLinkedList();
44         occ.cnt = 1;
45         occ.list.add(new Atom());
46         Test.store(occ);
47         occ = new OrClassConstraintInList();
48         occ.cnt = 1;
49         occ.list = Test.objectContainer().collections().newLinkedList();
50         Test.store(occ);
51         occ = new OrClassConstraintInList();
52         occ.cnt = 2;
53         occ.list = Test.objectContainer().collections().newLinkedList();
54         occ.list.add(new OrClassConstraintInList());
55         Test.store(occ);
56     }
57     
58     public void test(){
59         Query q = Test.query();
60         q.constrain(OrClassConstraintInList.class);
61         Constraint c1 = q.descend("list").constrain(Atom.class);
62         Constraint c2 = q.descend("cnt").constrain(new Integer JavaDoc(1));
63         c1.or(c2);
64         Test.ensure(q.execute().size() == 3);
65     }
66 }
67
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