LOMDictionary.php

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<?php

declare(strict_types=1);

namespace ILIAS\MetaData\Repository\Dictionary;

use ILIAS\MetaData\Elements\Base\BaseElementInterface;
use ILIAS\MetaData\Structure\Dictionaries\Dictionary as BaseDictionary;

use function PHPUnit\Framework\throwException;

class LOMDictionary extends BaseDictionary implements DictionaryInterface
{
    public function tagForElement(
        BaseElementInterface $element
    ): ?TagInterface {
        foreach (parent::tagsForElement($element) as $tag) {
            if (!($tag instanceof TagInterface)) {
                throw new \ilMDRepositoryException('Invalid dictionary');
            }
            return $tag;
        }
        return null;
    }
}