public void SetSystemReference(AlternativeSystem system)
{
this.SystemReferenceIdentifier = system.Identifier;
}
private ISet<AlternativeSystem> GetAllSubsystems(ISet<AlternativeSystem> systems,
AlternativeSystem system)
{
systems.Add (system);
foreach (var s in system.Alternatives) {
GetAllSubsystems (systems, s);
}
return systems;
}