private static void UpdateWithMerging(Car disconnectedCar)
{
// #example: merging
using (IObjectContainer container = OpenDatabase())
{
// first get the object from the database
Car carInDb = GetCarById(container, disconnectedCar.ObjectId);
// copy the value-objects (int, long, double, string etc)
carInDb.Name = disconnectedCar.Name;
// traverse into the references
Pilot pilotInDB = carInDb.Pilot;
Pilot disconnectedPilot = disconnectedCar.Pilot;
// check if the object is still the same
if (pilotInDB.ObjectId.Equals(disconnectedPilot.ObjectId))
{
// if it is, copy the value-objects
pilotInDB.Name = disconnectedPilot.Name;
pilotInDB.Points = disconnectedPilot.Points;
}
else
{
// otherwise replace the object
carInDb.Pilot = disconnectedPilot;
}
// finally store the changes
container.Store(pilotInDB);
container.Store(carInDb);
// #end example
}
}
private static void UpdateCar(Car car)
{
car.Name = "Fast Car";
car.Pilot.Points = 300;
}
