1 /**
2 * This file Copyright (c) 2003-2015 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.cms.beans.config;
35
36 import info.magnolia.objectfactory.Components;
37
38 import javax.inject.Singleton;
39
40
41 /**
42 * Versioning configuration. Defines if versions are created and how many version are kept.
43 */
44 @Singleton
45 public class VersionConfig {
46
47 /**
48 * maximum index to keep.
49 */
50 public static final String MAX_VERSION_INDEX = "maxVersionIndex";
51
52 /**
53 * is versioning is active. (at application level, JCR is always configured to version if implemented)
54 */
55 public static final String ACTIVE = "active";
56
57 /**
58 * maximum number of version index.
59 */
60 private static long maxVersions = 2; // default is 3 which could be overwritten through config
61
62 public VersionConfig() {
63 // do not instantiate
64 }
65
66 /**
67 * @deprecated since 4.5, use IoC !
68 */
69 public static VersionConfig getInstance() {
70 return Components.getSingleton(VersionConfig.class);
71 }
72
73 /**
74 * Initialize bean.
75 */
76 public void init() {
77 load();
78 }
79
80 /**
81 * Its a fixed config bean.
82 */
83 public void load() {
84 // nothing to do
85 }
86
87 /**
88 * Read config and reload bean.
89 */
90 public void reload() {
91 load();
92 }
93
94 /**
95 * Checks active flag in version config.
96 *
97 * @return true if versioning is active at application level
98 */
99 public boolean isActive() {
100 return true;
101 }
102
103 /**
104 * Get maximum number of versions allowed in version history.
105 *
106 * @return max version index
107 */
108 public long getMaxVersionAllowed() {
109 return maxVersions;
110 }
111
112 }