using LJLib.Net.SPI.Com;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace LJProxy.LJLib.Net.SPI.Server
{
    public abstract class ExcutorBase
    {
        public abstract LJResponse Excute(ILJRequest request,object state);
    }

    public abstract class ExcutorBase<T1,T2>:ExcutorBase where T1: LJRequest<T2> where T2:LJResponse,new()
    {
        protected abstract void ExcuteInternal(T1 request, object state, T2 rslt);
        public override LJResponse Excute(ILJRequest request, object state)
        {
            T2 rslt = new T2();
            try
            {
                T1 req = request as T1;
                if(req == null)
                {
                    rslt.ErrMsg = string.Format("request 不能转换成类型[{0}]",typeof(T1).Name);
                    return rslt;
                }
                ExcuteInternal(req, state, rslt);
            }catch(Exception e)
            {
                rslt.ErrMsg = e.Message.ToString();
            }
            return rslt;
        }
    }
}