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<?php |
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namespace Werkspot\MessageQueue\DeliveryQueue\Amqp; |
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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 PhpAmqpLib\Wire\AMQPTable; |
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use Werkspot\MessageQueue\DeliveryQueue\ProducerInterface; |
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use Werkspot\MessageQueue\Message\MessageInterface; |
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class AmqpProducer implements ProducerInterface |
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{ |
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/** |
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* @var AMQPChannel |
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*/ |
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private $channel; |
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/** |
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* @var AMQPLazyConnection |
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*/ |
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private $connection; |
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/** |
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* @var MessageIdGeneratorInterface |
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*/ |
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private $idGenerator; |
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public function __construct(AMQPLazyConnection $connection, MessageIdGeneratorInterface $idGenerator) |
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{ |
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$this->connection = $connection; |
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$this->idGenerator = $idGenerator; |
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} |
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public function send(MessageInterface $message, string $queueName): void |
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{ |
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$this->setupChannel($queueName); |
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$amqpMessage = new AMQPMessage(serialize($message)); |
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$amqpMessage->set('message_id', $this->idGenerator->generateId()); |
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$amqpMessage->set('priority', $message->getPriority()); |
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$amqpMessage->set('timestamp', microtime(true) * 1000); |
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$this->channel->basic_publish($amqpMessage, '', $queueName); |
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} |
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private function setupChannel(string $queueName): void |
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{ |
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if ($this->channel === null) { |
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// Don't do this in the constructor, as it will connect() to the rabbit server, making it non-lazy, so |
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// only channel() when we really need it |
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$this->channel = $this->connection->channel(); |
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} |
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$this->channel->queue_declare( |
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$queueName, |
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false, |
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true, |
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false, |
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false, |
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false, |
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new AMQPTable(array( |
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"x-max-priority" => 10 |
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)) |
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); |
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} |
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} |
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Werkspot /
message-queue
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