<?php

/**
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2020 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
 *
 * @author "Julien Sébire, <julien@taotesting.com>"
 */

namespace oat\generis\Helper;

use Exception;
use Ramsey\Uuid\Uuid;

trait UuidPrimaryKeyTrait
{
    /**
     * Generates a unique, not auto-increment based, primary key.
     *
     * @return string
     * @throws Exception
     */
    public function getUniquePrimaryKey()
    {
        return (string)Uuid::uuid4();
    }
}