using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ZKLT.Hadoop.Model
{
    /// <summary>
    /// 命令函数
    /// </summary>
    public class HDP_CommandAction
    {
        /// <summary>
        /// 当前日期
        /// </summary>
        public const string DATENOW = "DATE_NOW()";

        /// <summary>
        /// 唯一码
        /// </summary>
        public const string UUID = "UUID()";

        /// <summary>
        /// 转换命令
        /// </summary>
        /// <param name="action">函数</param>
        /// <param name="param">参数</param>
        /// <returns>命令</returns>
        public static object Convert(string action, JContainer param)
        {
            if (action == DATENOW)
            {
                return DateTime.Now;
            }
            else if (action == UUID)
            {
                return Guid.NewGuid().ToString();
            }
            else {
                return action;
            }
        }
    }
}