/**
*
* 获取单例
*
* @return Yun_Conf
*/
public static function getInstance()
{
if (null === self::$instance) {
self::$instance = new Yun_Conf();
}
return self::$instance;
}
private function __construct()
{
$conf = Yun_Conf::getInstance();
$log_file_path = $conf->get(self::CONF_KEY);
if (NULL === $log_file_path) {
$log_file_path = "php://stderr";
}
$this->handler[self::DEFAULT_HANDLER_ID] = new Yun_Log_File(self::DEFAULT_HANDLER_ID, $log_file_path);
}
/**
* 初始化main_conf
* 如果没有设置，则读取默认设置
*/
protected function initConf()
{
if (null === $this->main_conf) {
$conf = Yun_Conf::getInstance()->get(self::CONF_KEY);
if (!$conf instanceof Yun_Db_Conf_Interface) {
$error_msg = 'Yun_Conf::get("yun_db_conf")\'s value must be implement Yun_Db_Conf_Interface.';
trigger_error($error_msg, E_USER_ERROR);
}
$this->main_conf = $conf;
}
}
