MessageProcessorLoader.php

Go to the documentation of this file.

<?php
namespace Magento\Framework\MessageQueue;

class MessageProcessorLoader
{
    private $mergedMessageProcessor;

    private $defaultMessageProcessor;

    public function __construct(
        MessageProcessorInterface $mergedMessageProcessor,
        MessageProcessorInterface $defaultMessageProcessor
    ) {
        $this->mergedMessageProcessor = $mergedMessageProcessor;
        $this->defaultMessageProcessor = $defaultMessageProcessor;
    }

    public function load(array $messages)
    {
        $message = $this->getMergedMessage($messages);

        return ($message instanceof MergedMessageInterface)
            ? $this->mergedMessageProcessor : $this->defaultMessageProcessor;
    }

    private function getMergedMessage(array $messages)
    {
        $message = null;

        if ($messages) {
            $topicMessages = array_shift($messages);

            if ($topicMessages) {
                $message = array_shift($topicMessages);
            }
        }

        return $message;
    }
}