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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) 2017 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT); | 
| 19 | * | 
| 20 | */ | 
| 21 | |
| 22 | namespace oat\tao\model\taskQueue\Queue\TaskSelector; | 
| 23 | |
| 24 | use oat\oatbox\PhpSerializable; | 
| 25 | use oat\tao\model\taskQueue\QueueInterface; | 
| 26 | use oat\tao\model\taskQueue\Task\TaskInterface; | 
| 27 | |
| 28 | /** | 
| 29 | * @author Gyula Szucs <gyula@taotesting.com> | 
| 30 | */ | 
| 31 | interface SelectorStrategyInterface extends PhpSerializable | 
| 32 | { | 
| 33 | /** | 
| 34 | * @param QueueInterface[] $queues | 
| 35 | * @return null|TaskInterface | 
| 36 | */ | 
| 37 | public function pickNextTask(array $queues); | 
| 38 | |
| 39 | /** | 
| 40 | * A time in seconds for the worker to wait if there is no task. | 
| 41 | * | 
| 42 | * @return int | 
| 43 | */ | 
| 44 | public function getWaitTime(); | 
| 45 | } |