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<?php |
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/** |
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* This file is part of the PHPMongo package. |
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* |
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* (c) Dmytro Sokil <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Sokil\Mongo; |
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class Queue implements \Countable |
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{ |
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/** |
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* |
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* @var \Sokil\Mongo\Collection |
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*/ |
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private $collection; |
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public function __construct(Database $database, $channel) |
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{ |
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$this->collection = $database |
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->getCollection($channel) |
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->disableDocumentPool(); |
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} |
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/** |
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* Add item to queue |
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* |
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* @param mixed $payload data to send |
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* @param int $priority more priority num give quicker getting from queue |
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* @return \Sokil\Mongo\Queue |
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*/ |
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public function enqueue($payload, $priority = 0) |
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{ |
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$this->collection |
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->createDocument(array( |
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'payload' => $payload, |
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'priority' => (int) $priority, |
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'datetime' => new \MongoDate, |
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)) |
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->save(); |
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return $this; |
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} |
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/** |
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* Get item from queue as is |
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* |
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* @return mixed |
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*/ |
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public function dequeuePlain() |
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{ |
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$document = $this->collection |
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->find() |
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->sort(array( |
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'priority' => -1, |
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'datetime' => 1, |
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)) |
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->findAndRemove(); |
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if (!$document) { |
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return null; |
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} |
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return $document->get('payload'); |
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} |
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/** |
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* Get item from queue as Structure if array put into queue |
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* |
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* @return mixed|\Sokil\Mongo\Structure |
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*/ |
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public function dequeue() |
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{ |
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$value = $this->dequeuePlain(); |
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if (!is_array($value)) { |
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return $value; |
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} |
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$structure = new Structure(); |
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$structure->mergeUnmodified($value); |
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return $structure; |
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} |
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/** |
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* Get number of elements in queue |
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* |
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* @return int |
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*/ |
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public function count() |
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{ |
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return count($this->collection); |
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} |
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/** |
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* Clear queue |
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* |
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* @return \Sokil\Mongo\Queue |
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*/ |
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public function clear() |
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{ |
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$this->collection->delete(); |
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return $this; |
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} |
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} |
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sokil /
php-mongo
