ExchangeFactory.php

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<?php
namespace Magento\Framework\MessageQueue\Bulk;

class ExchangeFactory implements ExchangeFactoryInterface
{
    private $exchangeFactories;

    private $connectionTypeResolver;

    protected $objectManager = null;

    public function __construct(
        \Magento\Framework\MessageQueue\ConnectionTypeResolver $connectionTypeResolver,
        \Magento\Framework\ObjectManagerInterface $objectManager,
        array $exchangeFactories = []
    ) {
        $this->objectManager = $objectManager;
        $this->exchangeFactories = $exchangeFactories;
        $this->connectionTypeResolver = $connectionTypeResolver;
    }

    public function create($connectionName, array $data = [])
    {
        $connectionType = $this->connectionTypeResolver->getConnectionType($connectionName);

        if (!isset($this->exchangeFactories[$connectionType])) {
            throw new \LogicException("Not found exchange for connection name '{$connectionName}' in config");
        }

        $factory = $this->exchangeFactories[$connectionType];
        $exchange = $factory->create($connectionName, $data);

        if (!$exchange instanceof ExchangeInterface) {
            $exchangeInterface = \Magento\Framework\MessageQueue\Bulk\ExchangeInterface::class;
            throw new \LogicException(
                "Exchange for connection name '{$connectionName}' " .
                "does not implement interface '{$exchangeInterface}'"
            );
        }
        return $exchange;
    }
}