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Java > Open Source Codes > org > snipsnap > versioning > VersionStorage


1 /*
2  * This file is part of "SnipSnap Wiki/Weblog".
3  *
4  * Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
5  * All Rights Reserved.
6  *
7  * Please visit http://snipsnap.org/ for updates and contact.
8  *
9  * --LICENSE NOTICE--
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version 2
13  * of the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  * --LICENSE NOTICE--
24  */
25
26 package org.snipsnap.versioning;
27
28 import org.snipsnap.snip.Snip;
29
30 import java.util.List JavaDoc;
31
32 /**
33  * Stores versions of snips
34  *
35  * @author Stephan J. Schmidt
36  * @version $Id: VersionStorage.java 1257 2003-12-11 13:36:55Z leo $
37  */
38
39 public interface VersionStorage {
40
41   /**
42    * Return a list of VersionInfo objects for the
43    * given snip. Objects should be ordered by decreasing version
44    *
45    * @param snip Snip for which the revision should be loaded
46    * @return
47    */
48   public List JavaDoc getVersionHistory(Snip snip);
49
50   /**
51    * Load a version of a snip from the storage
52    *
53    * @param snip Example of a snip to load
54    * @param version Version number
55    * @return
56    */
57   public Snip loadVersion(Snip snip, int version);
58
59   /**
60    * Stora a version of a snip in the storage.
61    *
62    * @param snip Snip to store
63    */
64   public void storeVersion(Snip snip);
65 }
66
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