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<?php |
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/** |
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* Defines the TraderInteractive\Mongo\Queue class. |
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*/ |
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namespace TraderInteractive\Mongo; |
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use MongoDB\BSON\UTCDateTime; |
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/** |
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* Abstraction of mongo db collection as priority queue. |
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* |
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* Tied priorities are ordered by time. So you may use a single priority for normal queuing (default args exist for |
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* this purpose). Using a random priority achieves random get() |
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*/ |
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final class Queue implements QueueInterface |
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{ |
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/** |
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* Maximum millisecond value to use for UTCDateTime creation. |
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* |
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* @var integer |
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*/ |
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const MONGO_INT32_MAX = PHP_INT_MAX; |
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/** |
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* mongo collection to use for queue. |
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* |
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* @var \MongoDB\Collection |
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*/ |
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private $collection; |
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/** |
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* Construct queue. |
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* |
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* @param \MongoDB\Collection|string $collectionOrUrl A MongoCollection instance or the mongo connection url. |
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* @param string $db the mongo db name |
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* @param string $collection the collection name to use for the queue |
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* |
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* @throws \InvalidArgumentException $collectionOrUrl, $db or $collection was not a string |
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*/ |
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public function __construct($collectionOrUrl, string $db = null, string $collection = null) |
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{ |
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if ($collectionOrUrl instanceof \MongoDB\Collection) { |
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$this->collection = $collectionOrUrl; |
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return; |
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} |
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if (!is_string($collectionOrUrl)) { |
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throw new \InvalidArgumentException('$collectionOrUrl was not a string'); |
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} |
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$mongo = new \MongoDB\Client( |
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$collectionOrUrl, |
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[], |
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['typeMap' => ['root' => 'array', 'document' => 'array', 'array' => 'array']] |
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); |
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$mongoDb = $mongo->selectDatabase($db); |
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$this->collection = $mongoDb->selectCollection($collection); |
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} |
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} |
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traderinteractive /
mongo-queue-php
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