1 /** 2 * This file Copyright (c) 2003-2013 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 javax.inject.Singleton; 37 38 import info.magnolia.objectfactory.Components; 39 40 41 /** 42 * Versioning configuration. Defines if versions are created and how many version are kept. 43 * @author Sameer Charles 44 * $Id$ 45 */ 46 @Singleton 47 public class VersionConfig { 48 49 /** 50 * maximum index to keep. 51 */ 52 public static final String MAX_VERSION_INDEX = "maxVersionIndex"; 53 54 /** 55 * is versioning is active. (at application level, JCR is always configured to version if implemented) 56 */ 57 public static final String ACTIVE = "active"; 58 59 /** 60 * maximum number of version index. 61 */ 62 private static long maxVersions = 2; // default is 3 which could be overwritten through config 63 64 public VersionConfig() { 65 // do not instantiate 66 } 67 68 /** 69 * @deprecated since 4.5, use IoC ! 70 */ 71 public static VersionConfig getInstance() { 72 return Components.getSingleton(VersionConfig.class); 73 } 74 75 /** 76 * Initialize bean. 77 */ 78 public void init() { 79 load(); 80 } 81 82 /** 83 * Its a fixed config bean. 84 */ 85 public void load() { 86 // nothing to do 87 } 88 89 /** 90 * Read config and reload bean. 91 */ 92 public void reload() { 93 load(); 94 } 95 96 /** 97 * Checks active flag in version config. 98 * @return true if versioning is active at application level 99 */ 100 public boolean isActive() { 101 return true; 102 } 103 104 /** 105 * Get maximum number of versions allowed in version history. 106 * @return max version index 107 */ 108 public long getMaxVersionAllowed() { 109 return maxVersions; 110 } 111 112 }