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<?php |
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namespace Ccovey\RabbitMQ\Consumer; |
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use Ccovey\RabbitMQ\ChannelInterface; |
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use Ccovey\RabbitMQ\Connection\ConnectionInterface; |
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use Ccovey\RabbitMQ\Queue; |
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use Ccovey\RabbitMQ\QueueDeclarer; |
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use Ccovey\RabbitMQ\QueuedMessage; |
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use Ccovey\RabbitMQ\QueuedMessageInterface; |
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use PhpAmqpLib\Message\AMQPMessage; |
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class Consumer implements ConsumerInterface |
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{ |
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/** |
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* @var ConnectionInterface |
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*/ |
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private $connection; |
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/** |
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* @var QueueDeclarer |
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*/ |
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private $queueDeclarer; |
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/** |
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* @var ChannelInterface |
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*/ |
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private $channel; |
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/** |
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* @var callable |
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*/ |
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private $callback; |
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/** |
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* @var callable |
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*/ |
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private $restartCheckCallable; |
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public function __construct(ConnectionInterface $connection, QueueDeclarer $queueDeclarer, string $channelId = '') |
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{ |
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$this->connection = $connection; |
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$this->queueDeclarer = $queueDeclarer; |
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$this->channel = $this->connection->getChannel($channelId); |
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} |
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public function setCallback(callable $callback = null) |
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{ |
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$this->callback = $callback; |
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} |
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public function setRestartCheckCallable(callable $callable) |
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{ |
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$this->restartCheckCallable = $callable; |
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} |
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public function consume(Consumable $consumable) |
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{ |
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$this->queueDeclarer->declareQueue($consumable->getQueueName()); |
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$consumable->setCallback([$this, 'process']); |
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$this->channel->consume($consumable); |
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while (count($this->channel->getCallbacks())) { |
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$this->channel->wait(); |
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} |
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} |
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public function complete(QueuedMessageInterface $message) |
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{ |
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if ($message->isFailed()) { |
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$this->channel->nack($message->getDeliveryTag()); |
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} else { |
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$this->channel->acknowledge($message->getDeliveryTag()); |
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} |
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} |
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/** |
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* @return QueuedMessage|null |
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*/ |
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public function getMessage(Consumable $consumable) |
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{ |
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$this->queueDeclarer->declareQueue($consumable->getQueueName()); |
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$message = $this->channel->getMessage($consumable); |
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if ($message) { |
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return new QueuedMessage($message); |
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} |
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} |
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public function getChannel() : ChannelInterface |
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{ |
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return $this->channel; |
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} |
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public function process(AMQPMessage $message) |
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{ |
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$queuedMessage = new QueuedMessage($message); |
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call_user_func($this->callback, $queuedMessage, $this->channel); |
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$this->checkRestart($queuedMessage); |
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} |
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public function getSize($queue) : int |
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{ |
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$queueParams = new Queue( |
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$queue, |
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'', |
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null, |
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true |
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); |
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return $this->channel->getQueueSize($queueParams); |
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} |
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private function checkRestart(QueuedMessageInterface $queuedMessage) |
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{ |
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if ($this->restartCheckCallable) { |
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($this->restartCheckCallable)($queuedMessage); |
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} |
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} |
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} |
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ccovey /
rabbitmq
