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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 | } |