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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) 2019 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT); |
19 | */ |
20 | |
21 | namespace oat\tao\model\settings; |
22 | |
23 | /** |
24 | * Persistence for settings |
25 | */ |
26 | interface SettingsStorageInterface |
27 | { |
28 | public const SERVICE_ID = 'tao/settingsStorage'; |
29 | |
30 | /** |
31 | * Store the given setting |
32 | * |
33 | * @param string $settingId |
34 | * @param mixed $data |
35 | * @return boolean |
36 | */ |
37 | public function set($settingId, $data); |
38 | |
39 | /** |
40 | * Retrieve the given setting's value or null if no setting is found |
41 | * |
42 | * @param string $settingId |
43 | * @return mixed |
44 | */ |
45 | public function get($settingId); |
46 | |
47 | /** |
48 | * Verifies if a given setting already exists |
49 | * |
50 | * @param string $settingId |
51 | * @return boolean |
52 | */ |
53 | public function exists($settingId); |
54 | |
55 | /** |
56 | * Remove the given setting from storage |
57 | * |
58 | * @param string $settingId |
59 | * @return boolean |
60 | */ |
61 | public function del($settingId); |
62 | } |