FAL - Extbase - Repository

<?php
namespace In2code\In2msiproducts\Domain\Repository;

    /***************************************************************
     *  Copyright notice
     *
     *  (c) 2013 Tina Gasteiger <tina.gasteiger@in2code.de>, in2code
     *
     *  All rights reserved
     *
     *  This script is part of the TYPO3 project. The TYPO3 project 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; either version 3 of the License, or
     *  (at your option) any later version.
     *
     *  The GNU General Public License can be found at
     *  http://www.gnu.org/copyleft/gpl.html.
     *
     *  This script 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.
     *
     *  This copyright notice MUST APPEAR in all copies of the script!
     ***************************************************************/

/**
 *
 *
 * @package in2msiproducts
 * @license http://www.gnu.org/licenses/gpl.html GNU General Public License, version 3 or later
 *
 */
class FileReferenceRepository extends AbstractRepository {
    /**
     * @param \In2code\In2msiproducts\Domain\Model\Product $product
     * @return array|\TYPO3\CMS\Extbase\Persistence\QueryResultInterface
     */
    public function findByProduct(\In2code\In2msiproducts\Domain\Model\Product $product){
        $query = $this->createQuery();

        $and = array(
            // in this case it's pages, but enter your domain-model-tablename here
            $query->equals('tablenames', 'pages'),
            $query->equals('fieldname', 'productimage'),
            $query->equals('uid_foreign', $product->getUid())
        );

        $query->matching($query->logicalAnd($and));

        return $query->execute();
    }
}
?>