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<?php |
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namespace Ccovey\RabbitMQ; |
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use Ccovey\RabbitMQ\Config\QueueConfig; |
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use Ccovey\RabbitMQ\Connection\Connection; |
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class QueueDeclarer |
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{ |
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/** |
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* @var array |
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*/ |
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private $declaredQueues = []; |
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/** |
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* @var Connection |
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*/ |
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private $connection; |
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/** |
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* @var QueueConfig |
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*/ |
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private $config; |
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/** |
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* @var ChannelInterface |
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*/ |
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private $channel; |
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public function __construct(Connection $connection, QueueConfig $config, string $channelId = '') |
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{ |
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$this->connection = $connection; |
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$this->config = $config; |
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$this->channel = $this->connection->getChannel($channelId); |
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} |
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/* |
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* This method will be run each time we attempt to queue a message. |
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* We will cache locally which queues we have already declared. |
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* Declaring a queue on each iteration of a worker consuming from |
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* a queue is really slow. |
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*/ |
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public function declareQueue($queueName) |
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{ |
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if (!in_array($queueName, $this->declaredQueues)) { |
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$queue = new Queue( |
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$queueName, |
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$this->config->getExchange(), |
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$this->config->getAmqpTable(), |
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false, |
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$this->config->isDurable(), |
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$this->config->isExclusive(), |
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$this->config->isAutoDelete(), |
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$this->config->isNoWait(), |
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$this->config->getTicket() |
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); |
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$this->channel->declareQueue($queue); |
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if ($this->config->getExchange() !== '') { |
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$this->channel->bindQueue($queue); |
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} |
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$this->declaredQueues[] = $queueName; |
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} |
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} |
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} |
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