ConditionFactory.php

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<?php
namespace Magento\Rule\Model;

use Magento\Framework\ObjectManagerInterface;
use Magento\Rule\Model\Condition\ConditionInterface;

class ConditionFactory
{
    private $objectManager;

    private $conditionModels = [];

    public function __construct(ObjectManagerInterface $objectManager)
    {
        $this->objectManager = $objectManager;
    }

    public function create($type)
    {
        if (!array_key_exists($type, $this->conditionModels)) {
            if (!class_exists($type)) {
                throw new \InvalidArgumentException('Class does not exist');
            }
            if (!in_array(ConditionInterface::class, class_implements($type))) {
                throw new \InvalidArgumentException('Class does not implement condition interface');
            }
            $this->conditionModels[$type] = $this->objectManager->create($type);
        }

        return clone $this->conditionModels[$type];
    }
}