private void FixupDemographic(Demographic previousValue)
{
// This is the principal end in an association that performs cascade deletes.
// Update the event listener to refer to the new dependent.
if (previousValue != null)
{
ChangeTracker.PropertyChanged -= previousValue.HandleCascadeDelete;
}
if (Demographic != null)
{
ChangeTracker.PropertyChanged += Demographic.HandleCascadeDelete;
}
if (IsDeserializing)
{
return;
}
if (previousValue != null && ReferenceEquals(previousValue.Customer, this))
{
previousValue.Customer = null;
}
if (Demographic != null)
{
Demographic.Customer = this;
}
if (ChangeTracker.IsChangeTrackingEnabled)
{
if (ChangeTracker.OriginalValues.ContainsKey("Demographic") &&
ReferenceEquals(ChangeTracker.OriginalValues["Demographic"], Demographic))
{
//ChangeTracker.OriginalValues.Remove("Demographic");
}
else
{
//RecordOriginalValue("Demographic", previousValue);
// This is the principal end of an identifying association, so the dependent must be deleted when the relationship is removed.
// If the current state of the dependent is Added, the relationship can be changed without causing the dependent to be deleted.
if (previousValue != null && previousValue.ChangeTracker.State != ObjectState.Added)
{
previousValue.MarkAsDeleted();
}
}
if (Demographic != null && !Demographic.ChangeTracker.IsChangeTrackingEnabled)
{
Demographic.StartTracking();
}
}
}
partial void DemographicChanged(Demographic previousValue);
partial void DemographicChanging(Demographic newValue);