AdapterFactory.php

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<?php
namespace Magento\Search\Model;

use Magento\Framework\Search\EngineResolverInterface;

class AdapterFactory
{
    protected $scopeConfig;

    protected $objectManager;

    protected $path;

    protected $scope;

    private $adapterPool;

    private $engineResolver;

    public function __construct(
        \Magento\Framework\ObjectManagerInterface $objectManager,
        array $adapters,
        EngineResolverInterface $engineResolver
    ) {
        $this->objectManager = $objectManager;
        $this->adapterPool = $adapters;
        $this->engineResolver = $engineResolver;
    }

    public function create(array $data = [])
    {
        $currentAdapter = $this->engineResolver->getCurrentSearchEngine();
        if (!isset($this->adapterPool[$currentAdapter])) {
            throw new \LogicException(
                'There is no such adapter: ' . $currentAdapter
            );
        }
        $adapterClass = $this->adapterPool[$currentAdapter];
        $adapter = $this->objectManager->create($adapterClass, $data);
        if (!($adapter instanceof \Magento\Framework\Search\AdapterInterface)) {
            throw new \InvalidArgumentException(
                'Adapter must implement \Magento\Framework\Search\AdapterInterface'
            );
        }
        return $adapter;
    }
}