reTry function

reTry

/**
 * 重试
 * @param string $class  [必选] 
 * @param string $method [必选]
 * @param array  $param  [可选]
 * @param int    $retries[可选]
 * @return array
 */
public static function reTry($class, $method, $param = array(), $retries = 2)
{
	do
	{
		try
		{
			$result = call_user_func_array(array($class, $method), $param);
		}
		catch(Exception $e)
		{
			Tool_FSLog::businessError(sprintf("RETRY|".__FUNCTION__."|".self::$_retryAttempts."|error_code:[%s], error:[%s]", $e->getCode(), $e->getMessage()));
			if (self::$_retryAttempts == $retries)
			{
				return array();
			}
			$result = false;
		}
		if ($result !== false)
		{
			self::$_retryAttempts = 0;
			return $result;
		}
		self::$_retryAttempts += 1;
	}while(self::$_retryAttempts <= $retries);
}

==========================================================================

    /**
     * 重试方法（注：该方法仅对返回结果为空的接口或方法有效）
     * @param string $class
     * @param string $func
     * @param array $params
     * @param int $retry
     * @return array()
     */
    public static function reTry($class = '', $func = '', $params = array(), $retry = 2)
    {
        $retry = intval($retry) > 0 ? intval($retry) : 2;
        while($retry-- >0)
        {
            try
            {
                $res = call_user_func_array(array($class, $func), $params);
                if (!empty($res))
                {
                    break;
                }
            }
            catch(Exception $e)
            {
                $res = array();
                continue;
            }
        }
        
        Tool_Log::error(sprintf("RETRY,class:[%s],func:[%s],params:[%s],result:[%s]", $class, $func, json_encode($params), json_encode($res)));
        return $res;
    }