62 lines
2.1 KiB
PHP
62 lines
2.1 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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 Symfony\Component\Messenger\Transport\Receiver;
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use Symfony\Component\Messenger\Envelope;
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use Symfony\Component\Messenger\Exception\TransportException;
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/**
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* @author Samuel Roze <samuel.roze@gmail.com>
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* @author Ryan Weaver <ryan@symfonycasts.com>
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*/
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interface ReceiverInterface
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{
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/**
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* Receives some messages.
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*
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* While this method could return an unlimited number of messages,
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* the intention is that it returns only one, or a "small number"
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* of messages each time. This gives the user more flexibility:
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* they can finish processing the one (or "small number") of messages
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* from this receiver and move on to check other receivers for messages.
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* If this method returns too many messages, it could cause a
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* blocking effect where handling the messages received from one
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* call to get() takes a long time, blocking other receivers from
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* being called.
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*
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* If applicable, the Envelope should contain a TransportMessageIdStamp.
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*
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* If a received message cannot be decoded, the message should not
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* be retried again (e.g. if there's a queue, it should be removed)
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* and a MessageDecodingFailedException should be thrown.
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*
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* @return iterable<Envelope>
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*
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* @throws TransportException If there is an issue communicating with the transport
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*/
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public function get(): iterable;
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/**
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* Acknowledges that the passed message was handled.
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*
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* @throws TransportException If there is an issue communicating with the transport
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*/
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public function ack(Envelope $envelope): void;
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/**
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* Called when handling the message failed and it should not be retried.
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*
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* @throws TransportException If there is an issue communicating with the transport
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*/
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public function reject(Envelope $envelope): void;
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}
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