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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; |
23 | |
24 | use oat\tao\model\taskQueue\Queue\TaskSelector\SelectorStrategyInterface; |
25 | use oat\tao\model\taskQueue\Task\CallbackTaskInterface; |
26 | use oat\tao\model\taskQueue\Task\TaskInterface; |
27 | use Psr\Log\LoggerAwareInterface; |
28 | |
29 | /** |
30 | * @author Gyula Szucs <gyula@taotesting.com> |
31 | */ |
32 | interface QueueDispatcherInterface extends QueuerInterface, LoggerAwareInterface |
33 | { |
34 | public const SERVICE_ID = 'tao/taskQueue'; |
35 | |
36 | public const FILE_SYSTEM_ID = 'taskQueueStorage'; |
37 | |
38 | /** |
39 | * Array of queues |
40 | */ |
41 | public const OPTION_QUEUES = 'queues'; |
42 | |
43 | /** |
44 | * Name of the default queue. Task without specified queue will be published here. |
45 | */ |
46 | public const OPTION_DEFAULT_QUEUE = 'default_queue'; |
47 | |
48 | /** |
49 | * An array of tasks names with the specified queue where the tasks needs to be published to. |
50 | */ |
51 | public const OPTION_TASK_TO_QUEUE_ASSOCIATIONS = 'task_to_queue_associations'; |
52 | |
53 | public const OPTION_TASK_LOG = 'task_log'; |
54 | |
55 | public const OPTION_TASK_SELECTOR_STRATEGY = 'task_selector_strategy'; |
56 | |
57 | public const QUEUE_PREFIX = 'TQ'; |
58 | |
59 | /** |
60 | * Add new Queue. |
61 | * |
62 | * @param QueueInterface $queue |
63 | * @return QueueDispatcherInterface |
64 | */ |
65 | public function addQueue(QueueInterface $queue); |
66 | |
67 | /** |
68 | * @param QueueInterface[] $queues |
69 | * @return QueueDispatcherInterface |
70 | */ |
71 | public function setQueues(array $queues); |
72 | |
73 | /** |
74 | * @param string $queueName |
75 | * @return QueueInterface |
76 | */ |
77 | public function getQueue($queueName); |
78 | |
79 | /** |
80 | * @return QueueInterface[] |
81 | */ |
82 | public function getQueues(); |
83 | |
84 | /** |
85 | * Get the names of the registered queues. |
86 | * |
87 | * @return array |
88 | */ |
89 | public function getQueueNames(); |
90 | |
91 | /** |
92 | * Has the given queue/queue name already been set? |
93 | * |
94 | * @param string $queueName |
95 | * @return bool |
96 | */ |
97 | public function hasQueue($queueName); |
98 | |
99 | /** |
100 | * Get the default queue. |
101 | * |
102 | * @return QueueInterface |
103 | */ |
104 | public function getDefaultQueue(); |
105 | |
106 | /** |
107 | * Link a task to a queue. |
108 | * |
109 | * @param string|object $taskName |
110 | * @param string $queueName |
111 | * @return QueueDispatcherInterface |
112 | */ |
113 | public function linkTaskToQueue($taskName, $queueName); |
114 | |
115 | /** |
116 | * Get the linked tasks. |
117 | * |
118 | * @return array |
119 | */ |
120 | public function getLinkedTasks(); |
121 | |
122 | /** |
123 | * Initialize queues. |
124 | * |
125 | * @return void |
126 | */ |
127 | public function initialize(); |
128 | |
129 | /** |
130 | * Create a task to be managed by the queue from any callable |
131 | * |
132 | * @param callable $callable |
133 | * @param array $parameters |
134 | * @param null|string $label Label for the task |
135 | * @param null|TaskInterface $parent |
136 | * @param boolean $masterStatus |
137 | * @return CallbackTaskInterface |
138 | */ |
139 | public function createTask( |
140 | callable $callable, |
141 | array $parameters = [], |
142 | $label = null, |
143 | TaskInterface $parent = null, |
144 | $masterStatus = false |
145 | ); |
146 | |
147 | /** |
148 | * Are all queues a sync one? |
149 | * |
150 | * @return bool |
151 | */ |
152 | public function isSync(); |
153 | |
154 | /** |
155 | * @param SelectorStrategyInterface $selectorStrategy |
156 | * @return QueueDispatcherInterface |
157 | */ |
158 | public function setTaskSelector(SelectorStrategyInterface $selectorStrategy); |
159 | |
160 | /** |
161 | * Seconds for the worker to wait if there is no task. |
162 | * |
163 | * @return int |
164 | */ |
165 | public function getWaitTime(); |
166 | } |