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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2015 (original work) Open Assessment Technologies SA; |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | namespace oat\tao\model\lock; |
| 23 | |
| 24 | use oat\tao\model\lock\implementation\NoLock; |
| 25 | |
| 26 | /** |
| 27 | * |
| 28 | */ |
| 29 | class LockManager |
| 30 | { |
| 31 | public const CONFIG_ID = 'lock'; |
| 32 | |
| 33 | private static $implementation = null; |
| 34 | |
| 35 | /** |
| 36 | * |
| 37 | * @param LockSystem $implementation |
| 38 | */ |
| 39 | public static function setImplementation(LockSystem $implementation) |
| 40 | { |
| 41 | $ext = \common_ext_ExtensionsManager::singleton()->getExtensionById('tao'); |
| 42 | $ext->setConfig(self::CONFIG_ID, $implementation); |
| 43 | self::$implementation = $implementation; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * @return LockSystem |
| 48 | */ |
| 49 | public static function getImplementation() |
| 50 | { |
| 51 | if (is_null(self::$implementation)) { |
| 52 | $ext = \common_ext_ExtensionsManager::singleton()->getExtensionById('tao'); |
| 53 | self::$implementation = $ext->getConfig(self::CONFIG_ID); |
| 54 | } |
| 55 | return self::$implementation; |
| 56 | } |
| 57 | } |