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Java > Open Source Codes > com > db4o > test > pending > IndexOnParentClass


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.pending;
22
23 import com.db4o.*;
24 import com.db4o.query.*;
25 import com.db4o.test.*;
26
27
28 public class IndexOnParentClass {
29     
30     public String JavaDoc name;
31     
32     public void configure(){
33         Db4o.configure().objectClass(this).objectField("name").indexed(true);
34     }
35     
36     public void store(){
37         IndexOnParentClass p = new IndexOnParentClass();
38         p.name = "all";
39         Test.store(p);
40         p = new ChildClass();
41         p.name = "all";
42         Test.store(p);
43     }
44     
45     public void test(){
46         Query q = Test.query();
47         q.constrain(ChildClass.class);
48         q.descend("name").constrain("all");
49         int size = q.execute().size();
50         System.out.println(size);
51         Test.ensure(size == 1);
52     }
53     
54     public static class ChildClass extends IndexOnParentClass{
55         
56     }
57 }
58
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