NullReader.php

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<?php

declare(strict_types=1);

namespace ILIAS\MetaData\Services\Reader;

use ILIAS\MetaData\Paths\PathInterface;
use ILIAS\MetaData\Elements\Data\DataInterface;
use ILIAS\MetaData\Elements\Data\NullData;

class NullReader implements ReaderInterface
{
    public function allData(PathInterface $path): \Generator
    {
        yield from [];
    }

    public function firstData(PathInterface $path): DataInterface
    {
        return new NullData();
    }
}