// @nuget: Z.EntityFramework.Classic

​

using System;

using System.Linq;

using System.Data.Entity;

using System.Runtime.Caching;

using Z.EntityFramework.Classic;

​

public class Program

{

    public static void Main()

    {

        GenerateData();

​

        // The query is cached for 2 hours of inactivity

        QueryCacheManager.CacheItemPolicyFactory = () => new CacheItemPolicy() { SlidingExpiration = TimeSpan.FromHours(2) };

​

        using (var context = new EntityContext())

        {           

            var countries = context.Countries.Cache().ToList();         

            FiddleHelper.WriteTable(countries);

        }

    }

    public static void GenerateData()

    {

        using (var context = new EntityContext())

        {

            context.Countries.Add(new Country() { Name ="Customer_A" });

            context.Countries.Add(new Country() { Name ="Customer_B" });            

            context.Countries.Add(new Country() { Name ="Customer_C" });

            context.SaveChanges();  

        }

    }

​

    public class EntityContext : DbContext

    {

        public EntityContext() : base(FiddleHelper.GetConnectionStringSqlServer())

        {

​

        }

        public DbSet<Country> Countries { get; set; }

    }

​

    public class Country

    {

        public int CountryID { get; set; }

        public string Name { get; set; }

    }

}