Generic Procedurer Service

blah.cs

public interface IDataProcedureService
    {
        Procedure LoadProcedure(string procedure);

        IEnumerable<T> Execute<T>(Procedure procedure);
    }

    public class Procedure
    {
        public Procedure(IDataProcedureService dataProcedureService)
        {
            this.dataProcedureService = dataProcedureService;
        }

        private Dictionary<string, object> parameters;
        private readonly IDataProcedureService dataProcedureService;

        public Procedure WithParameter(string parameter, object value)
        {
            parameters.Add(parameter, value);

            return this;
        }

        public IEnumerable<T> Execute<T>()
        {
            return dataProcedureService.Execute<T>(this);
        }
    }

    public class EntityFrameworkProcedureService : IDataProcedureService
    {
        private readonly DbContext dbContext;

        public EntityFrameworkProcedureService(DbContext dbContext)
        {
            this.dbContext = dbContext;
        }

        public IEnumerable<T> Execute<T>(Procedure procedure)
        {
            var cmd = dbContext.Database.GetDbConnection().CreateCommand();

            //cmd. monta o command aqui bem bonitinho

            using (var reader = cmd.ExecuteReader())
            {
                return reader.Cast<T>();
            }
        }

        public Procedure LoadProcedure(string procedure)
        {
            return new Procedure(this);
        }
    }