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();
}
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);
}
