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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) 2016 (original work) Open Assessment Technologies SA ; |
19 | */ |
20 | |
21 | namespace oat\taoProctoring\model; |
22 | |
23 | /** |
24 | * Interface of service to check whether test session is online. |
25 | * |
26 | * @author Aleh Hutnikau <hutnikau@1pt.com> |
27 | * @package oat\taoProctoring |
28 | */ |
29 | interface TestSessionConnectivityStatusService |
30 | { |
31 | public const SERVICE_ID = 'taoProctoring/TestSessionConnectivityStatusService'; |
32 | |
33 | /** |
34 | * Whether user is online |
35 | * @param string $sessionId session |
36 | * @return bool |
37 | */ |
38 | public function isOnline($sessionId); |
39 | |
40 | /** |
41 | * @param $sessionId |
42 | * @return int null|timestamp |
43 | */ |
44 | public function getLastOnline($sessionId); |
45 | |
46 | /** |
47 | * Allow us to know if we should call the isOnline method |
48 | * @return bool |
49 | */ |
50 | public function hasOnlineMode(); |
51 | } |