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<?php |
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/** |
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* AnimeDb package. |
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* |
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* @author Peter Gribanov <[email protected]> |
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* @copyright Copyright (c) 2011, Peter Gribanov |
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* @license http://opensource.org/licenses/GPL-3.0 GPL v3 |
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*/ |
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namespace AnimeDb\Bundle\AppBundle\Repository; |
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use Doctrine\ORM\EntityRepository; |
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use AnimeDb\Bundle\AppBundle\Entity\Task as TaskEntity; |
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class Task extends EntityRepository |
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{ |
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/** |
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* Maximum standby time. |
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* |
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* Between scans tasks can interpose new task. |
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* If no limit standby scheduler can not handle the new task before |
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* the arrival of the start time of the next task. |
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* For example the scheduler can expect a few days before the execution of the tasks |
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* that must be performed every hour. |
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* |
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* @var int |
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*/ |
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const MAX_STANDBY_TIME = 3600; |
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/** |
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* @return TaskEntity|null |
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*/ |
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public function getNextTask() |
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{ |
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return $this->getEntityManager()->createQuery(' |
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SELECT |
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t |
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FROM |
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AnimeDbAppBundle:Task t |
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WHERE |
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t.status = :status AND t.next_run <= :time |
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ORDER BY |
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t.next_run ASC |
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') |
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->setMaxResults(1) |
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->setParameter('status', TaskEntity::STATUS_ENABLED) |
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->setParameter('time', date('Y-m-d H:i:s')) |
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->getOneOrNullResult(); |
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} |
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/** |
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* @return int |
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*/ |
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public function getWaitingTime() |
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{ |
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// get next task |
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$task = $this->getEntityManager()->createQuery(' |
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SELECT |
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t |
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FROM |
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AnimeDbAppBundle:Task t |
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WHERE |
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t.status = :status |
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ORDER BY |
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t.next_run ASC |
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') |
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->setMaxResults(1) |
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->setParameter('status', TaskEntity::STATUS_ENABLED) |
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->getOneOrNullResult(); |
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// task is exists |
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if ($task instanceof TaskEntity) { |
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$task_time = $task->getNextRun()->getTimestamp() - time(); |
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if ($task_time > 0) { |
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return min($task_time, self::MAX_STANDBY_TIME); |
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} else { |
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return 0; // need run now |
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} |
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} |
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return self::MAX_STANDBY_TIME; |
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} |
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} |
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anime-db /
app-bundle
