01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: 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 backupFile = getAbsolutePath()
42: + ".defrag.backup";
43: ContextIDMapping mapping = new TreeIDMapping();
44: //new BTreeIDMapping(getAbsolutePath()+".defrag.mapping",4096,1,1000);
45: DefragmentConfig defragConfig = new DefragmentConfig(
46: getAbsolutePath(), backupFile, mapping);
47: defragConfig.forceBackupDelete(true);
48: // FIXME Cloning is ugly - wrap original in Decorator within DefragContext instead?
49: Configuration clonedConfig = (Configuration) ((DeepClone) config)
50: .deepClone(null);
51: defragConfig.db4oConfig(clonedConfig);
52: Defragment.defrag(defragConfig,
53: new DefragmentListener() {
54: public void notifyDefragmentInfo(
55: DefragmentInfo info) {
56: System.err.println(info);
57: }
58: });
59: } catch (IOException e) {
60: e.printStackTrace();
61: }
62: }
63: return super .createDatabase(config);
64: }
65:
66: public boolean accept(Class clazz) {
67: return super .accept(clazz)
68: && !OptOutDefragSolo.class.isAssignableFrom(clazz);
69: }
70:
71: // public void clean() {
72: // }
73: }
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