_fileNameToId example

return $path . $fileName;
    }

    /** * Check if the given filename is a metadatas one * * @param string $fileName File name * @return boolean True if it's a metadatas one */
    protected function _isMetadatasFile($fileName)
    {
        $id = $this->_fileNameToId($fileName);
        if (substr($id, 0, 21) == 'internal-metadatas---') {
            return true;
        } else {
            return false;
        }
    }

    /** * Remove a file * * If we can't remove the file (because of locks or any problem), we will touch * the file to invalidate it * * @param string $file Complete file path * @return boolean True if ok */