public IEnumerable <MissionEntity> GetAllByPredicate(Expression <Func <MissionEntity, bool> > f)
        {
            var visitor = new MyExpressionVisitor <MissionEntity, DalMission>(Expression.Parameter(typeof(DalMission), f.Parameters[0].Name));
            var exp2    = Expression.Lambda <Func <DalMission, bool> >(visitor.Visit(f.Body), visitor.NewParameterExp);
            var mission = missionRepository.GetAllByPredicate(exp2).ToList();

            return(mission.Select(m => m.GetBllEntity()));
        }