We_Message/MqttMsgServer/Dao/IRepository.cs

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

namespace MqttMsgServer.Dao
{
    public interface IRepository<TPrimaryKey, T>
    {
        IEnumerable<T> GetAll();

        T GetById(TPrimaryKey id);

        T Add(T t);

        T Update(T t);
        T Delete(T t);
    }
}