private void SetBy(Service.ServiceTypes st, ServiceConstraint sc)
{
var existing = GetBy(st);
if (existing == null)
{
this.ServiceConstraints.Add(sc);
}
else if (sc == null)
{
this.ServiceConstraints.Remove(existing);
}
else
{
existing = sc;
}
}
private ServiceConstraint GetBy(Service.ServiceTypes st)
{
return(this.ServiceConstraints.SingleOrDefault(f => f.ServiceTypeId == (int)st));
}