BarbecueApi/Central.Control.WebApi/EFDbContext/IDbContext.cs

using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Data.Entity.Infrastructure;
using System.Data.Entity.Validation;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Web;

namespace Central.Control.WebApi.EFDbContext
{
    public interface IDbContext
    {
        DbEntityEntry Entry(Object entity);
        IEnumerable<DbEntityValidationResult> GetValidationErrors();
        Int32 SaveChanges();
        Task<Int32> SaveChangesAsync();
        Task<Int32> SaveChangesAsync(CancellationToken cancellationToken);
        DbSet Set(Type entityType);
        DbSet<TEntity> Set<TEntity>() where TEntity : class;
    }
}