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<?php |
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namespace Alchemy\Queue\Amqp; |
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use Alchemy\Queue\MessageQueue; |
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use Alchemy\Queue\MessageQueueFactory; |
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class AmqpMessageQueueFactory implements MessageQueueFactory |
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{ |
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/** |
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* @param array $configuration |
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* @return AmqpMessageQueueFactory |
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*/ |
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public static function create(array $configuration = []) |
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{ |
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return new self(AmqpConfiguration::parse($configuration)); |
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} |
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/** |
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* @var AmqpConfiguration |
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*/ |
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private $configuration; |
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/** |
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* @var \AMQPExchange |
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*/ |
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private $exchange; |
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/** |
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* @var \AMQPConnection |
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*/ |
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private $connection; |
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/** |
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* @var \AMQPChannel |
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*/ |
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private $channel; |
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public function __construct(AmqpConfiguration $configuration = null) |
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{ |
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$this->configuration = $configuration ?: new AmqpConfiguration(); |
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} |
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/** |
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* @param $name |
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* @return MessageQueue |
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*/ |
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public function getNamedQueue($name) |
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{ |
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$exchange = $this->declareExchange(); |
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return $this->buildQueue($exchange, $name, $this->configuration->getDeadLetterExchange()); |
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} |
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/** |
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* @param \AMQPExchange $exchange |
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* @param $queueName |
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* @param string $errorExchangeName |
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* @return \AMQPQueue |
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*/ |
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private function buildQueue(\AMQPExchange $exchange, $queueName, $errorExchangeName = '') |
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{ |
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$queue = new \AMQPQueue($exchange->getChannel()); |
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$queue->setName($queueName); |
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$queue->setFlags(AMQP_DURABLE); |
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if (trim($errorExchangeName) != '') { |
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$queue->setArgument('x-dead-letter-exchange', $errorExchangeName); |
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} |
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$queue->declareQueue(); |
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$queue->bind($exchange->getName(), $queueName); |
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return new AmqpMessageQueue($exchange, $queue); |
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} |
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protected function declareExchange() |
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{ |
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if ($this->exchange == null) { |
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$this->exchange = new \AMQPExchange($this->getChannel()); |
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$this->exchange->setFlags(AMQP_DURABLE); |
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if ($this->configuration->getExchange() != null) { |
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$this->exchange->setType(AMQP_EX_TYPE_DIRECT); |
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$this->exchange->setName($this->configuration->getExchange()); |
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$this->exchange->declareExchange(); |
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} |
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} |
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return $this->exchange; |
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} |
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/** |
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* @return \AMQPConnection |
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*/ |
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public function getConnection() |
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{ |
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if ($this->connection == null) { |
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$this->connection = new \AMQPConnection($this->configuration->toConnectionArray()); |
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$this->connection->connect(); |
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} |
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return $this->connection; |
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} |
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/** |
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* @return \AMQPChannel |
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*/ |
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public function getChannel() |
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{ |
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if ($this->channel == null) { |
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$this->channel = new \AMQPChannel($this->getConnection()); |
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} |
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return $this->channel; |
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} |
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} |
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alchemy-fr /
queue-component
