Ejemplo n.º 1
0
        public void GoodInterface_ThrowsException()
        {
            var engine = new Engine {Cylinders = 6, Horsepower = 200};
            var tires = new TirePackage {Size = 16, Weight = 40};
            var car = new PurchasedCar {CustomerName = "Me", Engine = engine, Tires = tires};

            var context = GetEntityContext();
            context.AddToPurchasedCars(car);

            // BAD: Throws "Resource not found for the segment 'PurchasedCar'" error
            context.SaveChanges();
        }
Ejemplo n.º 2
0
        public void NonIntuitive_ButSucceeds()
        {
            var engine = new Engine { Cylinders = 6, Horsepower = 200 };
            var tires = new TirePackage { Size = 16, Weight = 40 };
            var car = new PurchasedCar { CustomerName = "Me" };

            var context = GetEntityContext();

            // BAD: SetLink is not type safe and has poor readability
            // Note: Order is important AddToEngines and AddToPurcasedCars must come first.
            // Note: SetLink must come after calling AddTo*() on the context
            context.AddToEngines(engine);
            context.AddToTirePackages(tires);
            context.AddToPurchasedCars(car);
            context.SetLink(car, "Engine", engine);
            context.SetLink(car, "Tires", tires);

            context.SaveChanges(SaveChangesOptions.Batch);
        }