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Java > Open Source Codes > com > db4o > test > performance > AddJustOneObject


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.performance;
22
23 import java.io.*;
24
25 import com.db4o.*;
26
27
28 public class AddJustOneObject {
29     
30     
31     private static final String JavaDoc FILE = "ajoob.yap";
32     
33     private static final int COUNT = 100000;
34     
35
36     public static void main(String JavaDoc[] args) {
37         new File(FILE).delete();
38         ObjectContainer oc = Db4o.openFile(FILE);
39         for (int i = 0; i < COUNT; i++) {
40             oc.set(new AddJustOneObject());
41         }
42         oc.close();
43         
44         oc = Db4o.openFile(FILE);
45         long start = System.currentTimeMillis();
46         oc.set(new AddJustOneObject());
47         oc.commit();
48         long stop = System.currentTimeMillis();
49         oc.close();
50         
51         long duration = stop - start;
52         
53         System.out.println("Add one to " + COUNT + " and commit: " + duration + "ms");
54     }
55
56 }
57
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