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<?php declare(strict_types = 1); |
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namespace Portiny\RabbitMQ\Consumer; |
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use Bunny\Async\Client as AsyncClient; |
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use Bunny\Channel; |
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use Bunny\Client; |
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use Bunny\Message; |
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use Bunny\Protocol\MethodBasicConsumeOkFrame; |
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use InvalidArgumentException; |
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use React\Promise\PromiseInterface; |
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use Throwable; |
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abstract class AbstractConsumer |
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{ |
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public const MESSAGE_ACK = 1; |
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public const MESSAGE_NACK = 2; |
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public const MESSAGE_REJECT = 3; |
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public const MESSAGE_REJECT_REQUEUE = 4; |
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/** |
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* @var int |
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*/ |
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private $consumedMessages = 0; |
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/** |
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* @return MethodBasicConsumeOkFrame|PromiseInterface |
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*/ |
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final public function consume(Channel $channel, ?int $numberOfMessages = null) |
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{ |
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$channel->qos($this->getPrefetchSize(), $this->getPrefetchCount()); |
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return $channel->consume( |
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function (Message $message, Channel $channel, $client) use ($numberOfMessages): void { |
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try { |
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$result = $this->process($message); |
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} catch (Throwable $throwable) { |
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$channel->reject($message); |
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throw $throwable; |
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} |
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switch ($result) { |
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case self::MESSAGE_ACK: |
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$channel->ack($message); |
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break; |
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case self::MESSAGE_NACK: |
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$channel->nack($message); |
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break; |
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case self::MESSAGE_REJECT: |
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$channel->reject($message, false); |
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break; |
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case self::MESSAGE_REJECT_REQUEUE: |
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$channel->reject($message); |
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break; |
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default: |
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$channel->reject($message); |
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throw new InvalidArgumentException('Unknown return value of consumer'); |
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} |
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if ($numberOfMessages !== null && ++$this->consumedMessages >= $numberOfMessages) { |
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if ($client instanceof Client || $client instanceof AsyncClient) { |
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$client->stop(); |
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} |
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} |
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}, |
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$this->getQueueName(), |
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$this->getConsumerTag(), |
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$this->isNoLocal(), |
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$this->isNoAck(), |
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$this->isExclusive(), |
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$this->isNoWait(), |
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$this->getArguments() |
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); |
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} |
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abstract protected function process(Message $message): int; |
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abstract protected function getQueueName(): string; |
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protected function getConsumerTag(): string |
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{ |
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return ''; |
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} |
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protected function isNoLocal(): bool |
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{ |
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return false; |
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} |
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protected function isNoAck(): bool |
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{ |
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return false; |
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} |
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protected function isExclusive(): bool |
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{ |
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return false; |
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} |
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protected function isNoWait(): bool |
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{ |
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return false; |
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} |
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protected function getArguments(): array |
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{ |
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return []; |
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} |
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protected function getPrefetchSize(): int |
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{ |
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return 0; |
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} |
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protected function getPrefetchCount(): int |
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{ |
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return 1; |
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} |
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134
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} |
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portiny /
rabbitmq
