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<?php declare(strict_types=1); |
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/** |
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* This file is part of the daikon-cqrs/rabbitmq3-adapter project. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Daikon\RabbitMq3\Job; |
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use Assert\Assertion; |
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use Daikon\AsyncJob\Job\JobDefinitionInterface; |
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use Daikon\AsyncJob\Job\JobDefinitionMap; |
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use Daikon\AsyncJob\Worker\WorkerInterface; |
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use Daikon\Interop\RuntimeException; |
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use Daikon\MessageBus\Envelope; |
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use Daikon\MessageBus\MessageBusInterface; |
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use Daikon\Metadata\MetadataInterface; |
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use Daikon\RabbitMq3\Connector\RabbitMq3Connector; |
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use PhpAmqpLib\Channel\AMQPChannel; |
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use PhpAmqpLib\Message\AMQPMessage; |
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use Psr\Log\LoggerInterface; |
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final class RabbitMq3Worker implements WorkerInterface |
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{ |
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private RabbitMq3Connector $connector; |
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private MessageBusInterface $messageBus; |
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private JobDefinitionMap $jobDefinitionMap; |
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private LoggerInterface $logger; |
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private array $settings; |
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public function __construct( |
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RabbitMq3Connector $connector, |
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MessageBusInterface $messageBus, |
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JobDefinitionMap $jobDefinitionMap, |
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LoggerInterface $logger, |
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array $settings = [] |
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) { |
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$this->connector = $connector; |
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$this->messageBus = $messageBus; |
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$this->jobDefinitionMap = $jobDefinitionMap; |
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$this->logger = $logger; |
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$this->settings = $settings; |
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} |
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public function run(array $parameters = []): void |
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{ |
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$queue = $parameters['queue']; |
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Assertion::notBlank($queue); |
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$messageHandler = function (AMQPMessage $amqpMessage): void { |
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$this->execute($amqpMessage); |
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}; |
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/** @var AMQPChannel $channel */ |
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$channel = $this->connector->getConnection()->channel(); |
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$channel->basic_qos(0, 1, false); |
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$channel->basic_consume($queue, '', true, false, false, false, $messageHandler); |
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while (count($channel->callbacks)) { |
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$channel->wait(); |
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} |
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} |
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private function execute(AMQPMessage $amqpMessage): void |
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{ |
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$deliveryInfo = $amqpMessage->delivery_info; |
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$channel = $deliveryInfo['channel']; |
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$deliveryTag = $deliveryInfo['delivery_tag']; |
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$envelope = Envelope::fromNative(json_decode($amqpMessage->body, true)); |
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$metadata = $envelope->getMetadata(); |
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$jobName = (string)$metadata->get('job'); |
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Assertion::notBlank($jobName, 'Worker job name must not be blank.'); |
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/** @var JobDefinitionInterface $job */ |
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$job = $this->jobDefinitionMap->get($jobName); |
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Assertion::isInstanceOf($job, JobDefinitionInterface::class, "Job definition '$jobName' not found"); |
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try { |
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$this->messageBus->receive($envelope); |
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} catch (RuntimeException $error) { |
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$message = $envelope->getMessage(); |
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if ($job->getStrategy()->canRetry($envelope)) { |
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$retries = $metadata->get('_retries', 0); |
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/** @var MetadataInterface $metadata */ |
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$metadata = $metadata |
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->with('_retries', ++$retries) |
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->with('_expiration', $job->getStrategy()->getRetryInterval($envelope)); |
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$this->messageBus->publish($message, (string)$metadata->get('_channel'), $metadata); |
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} else { |
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//@todo add message/metadata to error context |
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$this->logger->error("Failed handling job '$jobName'", ['exception' => $error]); |
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} |
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} |
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$channel->basic_ack($deliveryTag); |
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} |
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} |
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daikon-cqrs /
rabbitmq3-adapter
