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Java > Open Source Codes > com > db4o > test > conjunctions > CJChildField


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.conjunctions;
22
23 import com.db4o.*;
24 import com.db4o.query.*;
25 import com.db4o.test.*;
26
27
28 public class CJChildField implements CJHasID{
29     
30     
31     public CJChild _child;
32     
33     public int _id;
34     
35     public CJChildField(){
36     }
37     
38     public CJChildField(int id){
39         _id = id;
40         _child = new CJChild(_id);
41     }
42     
43     public void store(){
44         Test.deleteAllInstances(CJChildField.class);
45         for (int i = 0; i < 20; i++) {
46             store(i);
47         }
48     }
49     
50     public void configure(){
51         Db4o.configure().objectClass(this).objectField("_child").indexed(true);
52         Db4o.configure().objectClass(CJChild.class).objectField("_id").indexed(true);
53     }
54     
55     private void store(int i){
56         Test.store(new CJChildField(i));
57     }
58     
59     
60     public void test(){
61         
62         Query q = Test.query();
63         q.constrain(this.getClass());
64         Query qId = q.descend("_child").descend("_id");
65         qId.constrain(new Integer JavaDoc(1)).greater();
66         qId.constrain(new Integer JavaDoc(2)).smaller().equal();
67         ConjunctionsTestSuite.expect(q, new int[]{2});
68         
69
70         q = Test.query();
71         q.constrain(this.getClass());
72         qId = q.descend("_child").descend("_id");
73         qId.constrain(new Integer JavaDoc(0)).greater();
74         qId.constrain(new Integer JavaDoc(1)).greater();
75         qId.constrain(new Integer JavaDoc(2)).smaller().equal();
76         qId.constrain(new Integer JavaDoc(3)).smaller().equal();
77         qId.constrain(new Integer JavaDoc(4)).smaller().equal();
78         ConjunctionsTestSuite.expect(q, new int[]{2});
79         
80         store(1);
81
82         q = Test.query();
83         q.constrain(this.getClass());
84         qId = q.descend("_child").descend("_id");
85         qId.constrain(new Integer JavaDoc(1)).smaller().equal();
86         ConjunctionsTestSuite.expect(q, new int[]{0,1,1});
87         
88
89     }
90
91
92     public int getID() {
93         return _id;
94     }
95     
96
97 }
98
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