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<?php |
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namespace Bdf\QueueMessengerBundle\Transport; |
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use Bdf\Queue\Consumer\Receiver\StopWhenEmptyReceiver; |
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use Bdf\Queue\Consumer\Receiver\TimeLimiterReceiver; |
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use Bdf\Queue\Destination\DestinationInterface; |
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use Bdf\Queue\Message\EnvelopeInterface as QueuedEnvelope; |
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use Bdf\Queue\Message\Message as QueueMessage; |
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use Bdf\Queue\Testing\StackMessagesReceiver; |
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use Bdf\QueueMessengerBundle\Transport\Stamp\BdfQueueReceivedStamp; |
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use Bdf\QueueMessengerBundle\Transport\Stamp\DestinationStamp; |
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use Bdf\QueueMessengerBundle\Transport\Stamp\StampsSerializerInterface; |
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use Symfony\Component\Messenger\Envelope; |
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use Symfony\Component\Messenger\Stamp\DelayStamp; |
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use Symfony\Component\Messenger\Stamp\HandledStamp; |
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use Symfony\Component\Messenger\Transport\TransportInterface; |
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/** |
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* |
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*/ |
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class QueueTransport implements TransportInterface |
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{ |
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/** |
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* The destinations instance |
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* |
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* @var DestinationInterface |
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*/ |
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private $destination; |
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/** |
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* @var StampsSerializerInterface |
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*/ |
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private $stampsSerializer; |
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/** |
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* @var int |
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*/ |
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private $consumerTimeout; |
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/** |
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* Constructor |
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* |
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* @param DestinationInterface $manager |
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* @param StampsSerializerInterface $stampsSerializer |
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* @param int $consumerTimeout |
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*/ |
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public function __construct(DestinationInterface $destination, StampsSerializerInterface $stampsSerializer, int $consumerTimeout = 1) |
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{ |
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$this->destination = $destination; |
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$this->stampsSerializer = $stampsSerializer; |
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$this->consumerTimeout = $consumerTimeout; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get(): iterable |
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{ |
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$stack = new StackMessagesReceiver(); |
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$extension = new StopWhenEmptyReceiver($stack); |
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$extension = new TimeLimiterReceiver($extension, $this->consumerTimeout); |
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$consumer = $this->destination->consumer($extension); |
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$consumer->consume($this->consumerTimeout); |
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foreach ($stack->messages() as $envelope) { |
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yield $this |
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->toEnvelope($envelope->message()->data(), $envelope) |
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->with(new BdfQueueReceivedStamp($envelope)) |
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; |
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} |
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} |
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/** |
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* Get the envelope from the message payload |
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* |
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* @param mixed $message |
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* @param QueuedEnvelope $queuedEnvelope |
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* |
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* @return Envelope |
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*/ |
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private function toEnvelope($message, QueuedEnvelope $queuedEnvelope): Envelope |
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{ |
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if ($message instanceof Envelope) { |
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return $message; |
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} |
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return new Envelope($message, $this->unserializeStamps($queuedEnvelope)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function ack(Envelope $envelope): void |
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{ |
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/** @var BdfQueueReceivedStamp $stamp */ |
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$stamp = $envelope->last(BdfQueueReceivedStamp::class); |
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$stamp->getEnvelope()->acknowledge(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function reject(Envelope $envelope): void |
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{ |
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/** @var BdfQueueReceivedStamp $stamp */ |
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$stamp = $envelope->last(BdfQueueReceivedStamp::class); |
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$stamp->getEnvelope()->reject(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function send(Envelope $envelope): Envelope |
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{ |
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$message = $envelope->getMessage(); |
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/** @var DestinationStamp|null $destinationStamp */ |
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$destinationStamp = $envelope->last(DestinationStamp::class) ?: new DestinationStamp(); |
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/** @var DelayStamp|null $delayStamp */ |
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$delayStamp = $envelope->last(DelayStamp::class); |
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$queueMessage = new QueueMessage(); |
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$queueMessage->setData($message); |
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$queueMessage->setName($destinationStamp->getMessageName() ?: get_class($message)); |
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$queueMessage->setMaxTries($destinationStamp->getMaxTries()); |
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$queueMessage->disableStore($destinationStamp->noStore()); |
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$queueMessage->setNeedsReply($destinationStamp->getNeedsReply()); |
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$queueMessage->setDelay($delayStamp !== null ? $delayStamp->getDelay() : 0); |
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$queueMessage->setHeaders($destinationStamp->getHeaders()); |
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$queueMessage->addHeader('stamps', $this->serializeStamps($envelope)); |
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if ($queueMessage->needsReply()) { |
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$result = $this->destination->send($queueMessage)->await($destinationStamp->getRpcTimeout()); |
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return $envelope->with(new HandledStamp($result, static::class)); |
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} |
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$this->destination->send($queueMessage); |
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return $envelope; |
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} |
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/** |
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* Extract stamps from the envelope |
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* The returned value is a serialization of a single dimension array |
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*/ |
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private function serializeStamps(Envelope $envelope): string |
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{ |
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$stamps = $envelope->all(); |
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if (!empty($stamps)) { |
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// Convert two dimension array (Envelope::all() return list of stamps, grouping by the stamp class) |
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// Use array_values to remove the keys (class name) for get a sequential array |
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$stamps = array_merge(...array_values($stamps)); |
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} |
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return $this->stampsSerializer->serialize($stamps); |
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} |
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/** |
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* Extract stamps from the queued envelope |
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*/ |
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private function unserializeStamps(QueuedEnvelope $queuedEnvelope): array |
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{ |
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if ($stamps = $queuedEnvelope->message()->header('stamps')) { |
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return $this->stampsSerializer->deserialize($stamps); |
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} |
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return []; |
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} |
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} |
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b2pweb /
bdf-queue-messenger-bundle
