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Java > Open Source Codes > com > db4o > db4ounit > common > defragment > Db4oDefragSolo


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.defragment;
22
23 import java.io.*;
24
25 import com.db4o.*;
26 import com.db4o.config.*;
27 import com.db4o.defragment.*;
28 import com.db4o.foundation.*;
29
30 import db4ounit.extensions.fixtures.*;
31
32 public class Db4oDefragSolo extends Db4oSolo {
33         public Db4oDefragSolo(ConfigurationSource configSource) {
34             super(configSource);
35         }
36
37         protected ObjectContainer createDatabase(Configuration config) {
38             File origFile=new File(getAbsolutePath());
39             if(origFile.exists()) {
40                 try {
41                     String JavaDoc backupFile = getAbsolutePath()+".defrag.backup";
42                     DefragmentConfig defragConfig = new DefragmentConfig(getAbsolutePath(), backupFile);
43                     defragConfig.forceBackupDelete(true);
44                     // FIXME Cloning is ugly - wrap original in Decorator within DefragContext instead?
45 Configuration clonedConfig=(Configuration)((DeepClone)config).deepClone(null);
46                     defragConfig.db4oConfig(clonedConfig);
47                     Defragment.defrag(defragConfig, new DefragmentListener() {
48                         public void notifyDefragmentInfo(DefragmentInfo info) {
49                             System.err.println(info);
50                         }
51                     });
52                 } catch (IOException e) {
53                     e.printStackTrace();
54                 }
55             }
56             return super.createDatabase(config);
57         }
58         
59         public boolean accept(Class JavaDoc clazz) {
60             return !OptOutDefragSolo.class.isAssignableFrom(clazz);
61         }
62         
63 // public void clean() {
64 // }
65 }
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