private static function _loadFromApp($pClassName)
    {
        $classNameArr = explode('_', StringData::fromCamelCase($pClassName));
        $pool         = array_pop($classNameArr);

        return APP_PATH
               . Agl::APP_PHP_DIR
               . $pool
               . DS
               . implode(DS, $classNameArr)
               . Agl::PHP_EXT;
    }