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<?php |
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namespace Jellyfish\Event; |
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use Jellyfish\Event\Command\EventQueueConsumeCommand; |
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use Jellyfish\Process\ProcessFactoryInterface; |
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use Jellyfish\Queue\QueueClientInterface; |
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class EventQueueConsumer implements EventQueueConsumerInterface |
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{ |
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/** |
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* @var \Jellyfish\Process\ProcessFactoryInterface |
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*/ |
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protected $processFactory; |
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/** |
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* @var \Jellyfish\Event\EventMapperInterface |
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*/ |
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protected $eventMapper; |
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/** |
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* @var \Jellyfish\Event\EventQueueNameGeneratorInterface |
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*/ |
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protected $eventQueueNameGenerator; |
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/** |
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* @var \Jellyfish\Queue\QueueClientInterface |
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*/ |
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protected $queueClient; |
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/** |
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* @var \Jellyfish\Process\ProcessInterface[] |
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*/ |
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protected $processList; |
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/** |
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* @param \Jellyfish\Process\ProcessFactoryInterface $processFactory |
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* @param \Jellyfish\Event\EventMapperInterface $eventMapper |
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* @param \Jellyfish\Event\EventQueueNameGeneratorInterface $eventQueueNameGenerator |
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* @param \Jellyfish\Queue\QueueClientInterface $queueClient |
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*/ |
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public function __construct( |
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ProcessFactoryInterface $processFactory, |
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EventMapperInterface $eventMapper, |
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EventQueueNameGeneratorInterface $eventQueueNameGenerator, |
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QueueClientInterface $queueClient |
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) { |
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$this->processFactory = $processFactory; |
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$this->eventMapper = $eventMapper; |
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$this->eventQueueNameGenerator = $eventQueueNameGenerator; |
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$this->queueClient = $queueClient; |
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$this->processList = []; |
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} |
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/** |
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* @param string $eventName |
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* @param string $listenerIdentifier |
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* |
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* @return \Jellyfish\Event\EventQueueConsumerInterface |
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*/ |
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public function dequeueEventAsProcess(string $eventName, string $listenerIdentifier): EventQueueConsumerInterface |
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{ |
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$eventQueueName = $this->eventQueueNameGenerator->generate($eventName, $listenerIdentifier); |
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if (!\array_key_exists($eventQueueName, $this->processList)) { |
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$command = ['', EventQueueConsumeCommand::NAME, $eventName, $listenerIdentifier]; |
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$this->processList[$eventQueueName] = $this->processFactory->create($command); |
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} |
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$process = $this->processList[$eventQueueName]; |
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if (!$process->isLocked()) { |
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$process->start(); |
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} |
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return $this; |
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} |
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/** |
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* @param string $eventName |
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* @param string $listenerIdentifier |
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* |
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* @return \Jellyfish\Event\EventInterface|null |
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*/ |
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public function dequeueEvent(string $eventName, string $listenerIdentifier): ?EventInterface |
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{ |
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$eventQueueName = $this->eventQueueNameGenerator->generate($eventName, $listenerIdentifier); |
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$message = $this->queueClient->receiveMessage($eventQueueName); |
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if ($message === null) { |
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return null; |
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} |
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return $this->eventMapper->fromMessage($message); |
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} |
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} |
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jellyfishphp /
jellyfish
