ElementHistory.php 1.1 KB
Newer Older
Ketan's avatar
Ketan committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

namespace Magento\Framework\Setup\Declaration\Schema;

use Magento\Framework\Setup\Declaration\Schema\Dto\ElementInterface;

/**
 * Element history container.
 *
 * This class holds history about element modifications.
 */
class ElementHistory
{
    /**
     * @var ElementInterface
     */
    private $new;

    /**
     * @var ElementInterface
     */
    private $old;

    /**
     * Constructor.
     *
     * @param ElementInterface $new
     * @param ElementInterface $old
     */
    public function __construct(ElementInterface $new, ElementInterface $old = null)
    {
        $this->new = $new;
        $this->old = $old;
    }

    /**
     * Retrieve element, that exists before we run installation.
     *
     * @return ElementInterface|null
     */
    public function getOld()
    {
        return $this->old;
    }

    /**
     * Retrieve element, that comes from configuration.
     *
     * @return ElementInterface
     */
    public function getNew()
    {
        return $this->new;
    }
}