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<?php |
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namespace Burrow\Handler; |
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use Burrow\ConsumeOptions; |
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use Burrow\Driver; |
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use Burrow\Exception\ConsumerException; |
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use Burrow\Message; |
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use Burrow\QueueConsumer; |
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use Burrow\QueueHandler; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\NullLogger; |
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class SyncConsumerHandler implements QueueHandler, LoggerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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/** @var QueueConsumer */ |
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private $consumer; |
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/** @var Driver */ |
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private $driver; |
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/** |
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* ConsumerHandler constructor. |
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* |
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* @param QueueConsumer $consumer |
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* @param Driver $driver |
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*/ |
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public function __construct(QueueConsumer $consumer, Driver $driver) |
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{ |
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$this->consumer = $consumer; |
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$this->driver = $driver; |
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$this->logger = new NullLogger(); |
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} |
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/** |
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* Handle a message. |
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* |
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* @param Message $message |
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* |
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* @return bool |
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*/ |
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public function handle(Message $message) |
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{ |
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$returnValue = $this->consumer->consume($message->getBody(), $message->getHeaders()); |
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$this->handleSyncMessage($message, $returnValue); |
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return self::CONTINUE_CONSUMING; |
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} |
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/** |
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* Modify and return the options for consumption. |
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* |
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* @param ConsumeOptions $options |
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* |
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* @return ConsumeOptions |
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*/ |
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public function options(ConsumeOptions $options) |
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{ |
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return $options; |
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} |
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/** |
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* Handle the return value. |
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* |
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* @param Message $message |
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* @param string $returnValue |
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*/ |
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private function handleSyncMessage(Message $message, $returnValue) |
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{ |
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self::checkMessageIsSync($message); |
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$this->logger->debug( |
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'Send return value back!', |
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[ |
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'returnValue' => $returnValue, |
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'correlationId' => $message->getCorrelationId(), |
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'replyTo' => $message->getReplyTo() |
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] |
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); |
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$this->driver->publish( |
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'', |
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new Message( |
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$returnValue, |
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$message->getReplyTo(), |
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$message->getHeaders(), |
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$message->getCorrelationId() |
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) |
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); |
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} |
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/** |
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* @param Message $message |
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*/ |
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private static function checkMessageIsSync(Message $message) |
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{ |
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if ($message->getCorrelationId() == '' && $message->getReplyTo() == '') { |
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throw ConsumerException::invalidSyncMessage(); |
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} |
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} |
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} |
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Evaneos /
Burrow
