<?php

/*
 * This file is part of the Doctrine Behavioral Extensions package.
 * (c) Gediminas Morkevicius <gediminas.morkevicius@gmail.com> http://www.gediminasm.org
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Gedmo\Timestampable\Traits;

/**
 * Timestampable Trait, usable with PHP >= 5.4
 *
 * @author Gediminas Morkevicius <gediminas.morkevicius@gmail.com>
 */
trait Timestampable
{
    /**
     * @var \DateTime|null
     */
    protected $createdAt;

    /**
     * @var \DateTime|null
     */
    protected $updatedAt;

    /**
     * Sets createdAt.
     *
     * @return $this
     */
    public function setCreatedAt(\DateTime $createdAt)
    {
        $this->createdAt = $createdAt;

        return $this;
    }

    /**
     * Returns createdAt.
     *
     * @return \DateTime|null
     */
    public function getCreatedAt()
    {
        return $this->createdAt;
    }

    /**
     * Sets updatedAt.
     *
     * @return $this
     */
    public function setUpdatedAt(\DateTime $updatedAt)
    {
        $this->updatedAt = $updatedAt;

        return $this;
    }

    /**
     * Returns updatedAt.
     *
     * @return \DateTime|null
     */
    public function getUpdatedAt()
    {
        return $this->updatedAt;
    }
}