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<?php |
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/** |
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* @author Flipbox Factory |
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* @copyright Copyright (c) 2017, Flipbox Digital |
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* @link https://github.com/flipbox/queue/releases/latest |
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* @license https://github.com/flipbox/queue/blob/master/LICENSE |
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*/ |
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namespace flipbox\queue\strategies; |
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use flipbox\queue\jobs\JobInterface; |
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use flipbox\queue\queues\MultipleQueueInterface; |
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use yii\base\Object; |
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/** |
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* @author Flipbox Factory <[email protected]> |
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* @since 1.0.0 |
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*/ |
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abstract class AbstractStrategy extends Object implements StrategyInterface |
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{ |
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/** |
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* @var MultipleQueueInterface |
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*/ |
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protected $queue; |
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/** |
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* Sets the queue. |
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* |
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* @param MultipleQueueInterface $queue |
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* @return void |
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*/ |
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public function setQueue(MultipleQueueInterface $queue) |
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{ |
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$this->queue = $queue; |
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} |
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/** |
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* Implement this for the strategy of getting job from the queue. |
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* |
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* @return JobInterface[]|false |
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*/ |
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abstract protected function getJobFromQueues(); |
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/** |
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* Returns the job. |
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* |
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* @return JobInterface|boolean |
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*/ |
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public function fetch() |
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{ |
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$return = $this->getJobFromQueues(); |
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if ($return === false) { |
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return false; |
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} |
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list($job, $index) = $return; |
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$job->setHeader(self::HEADER_MULTIPLE_QUEUE_INDEX, $index); |
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return $job; |
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} |
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/** |
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* Delete the job from the queue. |
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* |
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* @param JobInterface $job The job. |
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* @return boolean whether the operation succeed. |
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*/ |
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public function delete(JobInterface $job) |
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{ |
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$index = $job->getHeader(self::HEADER_MULTIPLE_QUEUE_INDEX, null); |
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if (!isset($index)) { |
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return false; |
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} |
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$queue = $this->queue->getQueue($index); |
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if (!isset($index)) { |
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return false; |
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} |
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return $queue->delete($job); |
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} |
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} |
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flipbox /
queue
