KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > com > db4o > db4ounit > common > staging > LazyQueryDeleteTestCase


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.staging;
22
23 import com.db4o.*;
24 import com.db4o.config.*;
25
26 import db4ounit.extensions.*;
27
28
29 public class LazyQueryDeleteTestCase extends AbstractDb4oTestCase {
30     
31     private static final int COUNT = 3;
32     
33     public static class Item{
34         
35         public String JavaDoc _name;
36
37         public Item(String JavaDoc name) {
38             _name = name;
39         }
40         
41     }
42     
43     protected void configure(Configuration config) {
44         config.queries().evaluationMode(QueryEvaluationMode.LAZY);
45     }
46     
47     protected void store() throws Exception JavaDoc {
48         for (int i = 0; i < COUNT; i++) {
49             store(new Item(new Integer JavaDoc(i).toString()));
50             db().commit();
51         }
52     }
53     
54     public void test(){
55         ObjectSet objectSet = newQuery(Item.class).execute();
56         for (int i = 0; i < COUNT; i++) {
57             db().delete(objectSet.next());
58             db().commit();
59         }
60     }
61     
62     public static void main(String JavaDoc[] arguments) {
63         new LazyQueryDeleteTestCase().runSolo();
64     }
65
66 }
67
Popular Tags