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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) 2017-2021 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT); |
19 | * |
20 | */ |
21 | |
22 | namespace oat\tao\model\taskQueue\Queue\Broker; |
23 | |
24 | use oat\tao\model\taskQueue\Task\TaskInterface; |
25 | use Psr\Log\LoggerAwareInterface; |
26 | |
27 | /** |
28 | * @author Gyula Szucs <gyula@taotesting.com> |
29 | */ |
30 | interface QueueBrokerInterface extends \Countable, LoggerAwareInterface |
31 | { |
32 | /** |
33 | * Set queue name |
34 | * |
35 | * @param string $name |
36 | * @return QueueBrokerInterface |
37 | */ |
38 | public function setQueueName($name); |
39 | |
40 | public function getBrokerId(): string; |
41 | |
42 | /** |
43 | * Creates the queue. |
44 | * |
45 | * @return mixed |
46 | */ |
47 | public function createQueue(); |
48 | |
49 | /** |
50 | * Pushes a task into the queue. |
51 | * |
52 | * @param TaskInterface $task |
53 | * @return bool |
54 | */ |
55 | public function push(TaskInterface $task); |
56 | |
57 | /** |
58 | * Pops a task from the queue. Returns null if there is no more task. |
59 | * |
60 | * @return null|TaskInterface |
61 | */ |
62 | public function pop(); |
63 | |
64 | /** |
65 | * If the driver supports it, this will be called when a task has been consumed. |
66 | * |
67 | * @param TaskInterface $task |
68 | */ |
69 | public function delete(TaskInterface $task); |
70 | |
71 | /** |
72 | * The amount of tasks that can be received in one pop. |
73 | * |
74 | * @return int |
75 | */ |
76 | public function getNumberOfTasksToReceive(); |
77 | |
78 | /** |
79 | * Check if the internal queue contains any tasks. |
80 | */ |
81 | public function hasPreFetchedMessages(): bool; |
82 | } |