01: /*
02: * $Id: Defrag.java,v 1.3 2004/08/27 03:21:25 ahimanikya Exp $
03: * =======================================================================
04: * Copyright (c) 2002 Axion Development Team. All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: *
10: * 1. Redistributions of source code must retain the above
11: * copyright notice, this list of conditions and the following
12: * disclaimer.
13: *
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in
16: * the documentation and/or other materials provided with the
17: * distribution.
18: *
19: * 3. The names "Tigris", "Axion", nor the names of its contributors may
20: * not be used to endorse or promote products derived from this
21: * software without specific prior written permission.
22: *
23: * 4. Products derived from this software may not be called "Axion", nor
24: * may "Tigris" or "Axion" appear in their names without specific prior
25: * written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
30: * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38: * =======================================================================
39: */
40:
41: package org.axiondb.tools;
42:
43: import java.io.File;
44:
45: import org.apache.commons.logging.Log;
46: import org.apache.commons.logging.LogFactory;
47: import org.axiondb.engine.DiskDatabase;
48:
49: /**
50: * A utility class for defragmenting an Axion database.
51: * Use: <pre>Defrag <database-directory></pre>
52: * The database should not be in use when this program
53: * is executed.
54: *
55: * @version $Revision: 1.3 $ $Date: 2004/08/27 03:21:25 $
56: * @author Rodney Waldhoff
57: */
58: public class Defrag {
59: public static void main(String[] args) {
60: if (args.length != 1) {
61: System.err.println("Defragments a database file");
62: System.err.println("Arguments: <database-directory>");
63: } else {
64: try {
65: defragDatabase(args[0]);
66: } catch (Exception e) {
67: _log.debug("Exception while defragmenting database: ",
68: e);
69: System.err.println("Fail to defrag...");
70: }
71: }
72: }
73:
74: public static void defragDatabase(String databaseDirectory)
75: throws Exception {
76: defragDatabase(new File(databaseDirectory));
77: }
78:
79: public static void defragDatabase(File databaseDirectory)
80: throws Exception {
81: DiskDatabase db = new DiskDatabase(databaseDirectory);
82: db.defrag();
83: db.shutdown();
84: }
85:
86: private static Log _log = LogFactory.getLog(Defrag.class);
87: }
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