Validator.php

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<?php
namespace Magento\Framework;

class Validator extends \Magento\Framework\Validator\AbstractValidator
{
    protected $_validators = [];

    public function addValidator(
        \Magento\Framework\Validator\ValidatorInterface $validator,
        $breakChainOnFailure = false
    ) {
        if (!$validator->hasTranslator()) {
            $validator->setTranslator($this->getTranslator());
        }
        $this->_validators[] = [
            'instance' => $validator,
            'breakChainOnFailure' => (bool)$breakChainOnFailure,
        ];
        return $this;
    }

    public function isValid($value)
    {
        $result = true;
        $this->_clearMessages();

        foreach ($this->_validators as $element) {
            $validator = $element['instance'];
            if ($validator->isValid($value)) {
                continue;
            }
            $result = false;
            $this->_addMessages($validator->getMessages());
            if ($element['breakChainOnFailure']) {
                break;
            }
        }

        return $result;
    }

    public function setTranslator($translator = null)
    {
        foreach ($this->_validators as $validator) {
            $validator['instance']->setTranslator($translator);
        }
        return parent::setTranslator($translator);
    }
}