private static void RemoveFromCollection()
{
PrepareDBWithPilotGroup();
using (IObjectContainer container = Db4oEmbedded.OpenFile(DatabaseFile))
{
// #example: Removing from a collection doesn't delete the collection-members
PilotGroup group = FindGroup(container);
Pilot pilot = group.Pilots[0];
group.Pilots.Remove(pilot);
container.Store(group.Pilots);
AssertEquals(3, AllPilots(container).Count);
AssertEquals(2, group.Pilots.Count);
// #end example
}
}
private static void RemoveAndDelete()
{
PrepareDBWithPilotGroup();
using (IObjectContainer container = Db4oEmbedded.OpenFile(DatabaseFile))
{
// #example: Remove and delete
PilotGroup group = FindGroup(container);
Pilot pilot = group.Pilots[0];
group.Pilots.Remove(pilot);
container.Store(group.Pilots);
container.Delete(pilot);
AssertEquals(2, AllPilots(container).Count);
AssertEquals(2, group.Pilots.Count);
// #end example
}
}
private static void ReferenceIsSetToNull()
{
PrepareDBWithCarAndPilot();
using (IObjectContainer container = Db4oEmbedded.OpenFile(DatabaseFile))
{
// #example: Delete the pilot
Pilot pilot = FindPilot(container);
container.Delete(pilot);
// #end example
}
using (IObjectContainer container = Db4oEmbedded.OpenFile(DatabaseFile))
{
// #example: Reference is null after deleting
// Now the car's reference to the car is set to null
Car car = FindCar(container);
AssertEquals(null, car.Pilot);
// #end example
}
}
public Car(Pilot pilot, string name)
{
this.name = name;
this.pilot = pilot;
}
public Car(Pilot pilot, string name)
{
this.name = name;
this.pilot = pilot;
}
