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<?php |
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/** |
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* Created by PhpStorm. |
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* User: quimmanrique |
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* Date: 15/02/17 |
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* Time: 12:00 |
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*/ |
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namespace Infrastructure\AmqpLib\v26\RabbitMQ\Queue; |
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use Domain\Queue\Exception\WriterException; |
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use Domain\Queue\Message; |
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use Domain\Queue\QueueWriter as DomainQueueWriter; |
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use Infrastructure\AmqpLib\v26\RabbitMQ\Queue\Config\ConnectionConfig; |
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use PhpAmqpLib\Channel\AMQPChannel; |
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use PhpAmqpLib\Connection\AMQPLazyConnection; |
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use PhpAmqpLib\Message\AMQPMessage; |
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use Psr\Log\LoggerInterface; |
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class DelayedQueueWriter implements DomainQueueWriter |
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{ |
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const DELAY_QUEUE_PREFIX = 'Delay'; |
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/** |
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* @var LoggerInterface |
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*/ |
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protected $logger; |
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/** |
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* @var AMQPLazyConnection |
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*/ |
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protected $connection; |
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/** |
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* @var AMQPChannel |
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*/ |
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protected $channel; |
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/** |
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* @var int |
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*/ |
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protected $delay; |
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/** |
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* @var string |
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*/ |
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protected $exchangeName; |
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/** |
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* @var string |
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*/ |
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protected $delayedExchangeName; |
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/** |
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* DelayedQueueWriter constructor. |
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* @param $exchangeName |
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* @param $delay |
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* @param AMQPChannel $channel |
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* @param LoggerInterface $logger |
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*/ |
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public function __construct( |
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$exchangeName, |
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$delay, |
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AMQPChannel $channel, |
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LoggerInterface $logger |
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) |
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{ |
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$this->delay = $delay; |
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$this->exchangeName = $exchangeName; |
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$this->delayedExchangeName = self::DELAY_QUEUE_PREFIX.$this->delay.$this->exchangeName; |
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$this->logger = $logger; |
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$this->channel = $channel; |
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} |
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/** |
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* @param Message[] $messages |
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* @return void |
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* @throws WriterException |
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*/ |
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public function write(array $messages) |
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{ |
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$this->initialize(); |
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try { |
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foreach($messages as $message) { |
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$encodedMessage = json_encode($message); |
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$this->logger->debug('Writing:' . $encodedMessage); |
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$msg = new AMQPMessage($encodedMessage, array('delivery_mode' => 2)); |
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$this->channel->batch_basic_publish($msg, $this->delayedExchangeName, $message->getName()); |
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} |
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$this->channel->publish_batch(); |
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} catch(\Exception $exception) { |
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$this->logger->error('Error writing messages: '.$exception->getMessage()); |
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throw new WriterException($exception->getMessage(), $exception->getCode()); |
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} |
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} |
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/** |
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* @throws WriterException |
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*/ |
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protected function initialize() |
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{ |
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try{ |
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$delayedQueue = self::DELAY_QUEUE_PREFIX.$this->delay.'Queue'; |
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$this->logger->info('Creating delayed exchange '.$this->delayedExchangeName); |
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// Delay Queue |
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$this->channel->exchange_declare($this->delayedExchangeName, 'fanout', false, true, true); |
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$this->logger->info('Creating delayed queue '.$delayedQueue); |
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$this->channel->queue_declare( |
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$delayedQueue, |
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false, |
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true, |
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false, |
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true, |
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false, |
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[ |
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'x-expires' => ['I', $this->delay*1000 + 5000], |
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'x-message-ttl' => array('I', $this->delay*1000), |
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'x-dead-letter-exchange' => array('S', $this->exchangeName) |
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] |
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); |
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$this->channel->queue_bind($delayedQueue, $this->delayedExchangeName); |
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} catch(\Exception $exception) { |
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$this->logger->error('Error writing delayed messages: '.$exception->getMessage()); |
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throw new WriterException($exception->getMessage(), $exception->getCode()); |
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} |
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} |
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} |
CMProductions /
queues
