/**
 * Get a cache ID string from an ID/group pair
 *
 * @param   string  $id     The cache data ID
 * @param   string  $group  The cache data group
 *
 * @return  string
 *
 * @since   1.7.0
 */
protected function _getCacheId($id, $group)
{
    $name = md5($this->_application . '-' . $id . '-' . $this->_language);
    $this->rawname = $this->_hash . '-' . $name;
    return Cache::getPlatformPrefix() . $this->_hash . '-cache-' . $group . '-' . $name;
}