private void FixupTravelAgencyRole(AssociationUserTravelAgencyRole 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.ObjectStateChanging -= previousValue.HandleCascadeDelete;
}
if (TravelAgencyRole != null)
{
ChangeTracker.ObjectStateChanging += TravelAgencyRole.HandleCascadeDelete;
}
if (IsDeserializing)
{
return;
}
if (previousValue != null && ReferenceEquals(previousValue.User, this))
{
previousValue.User = null;
}
if (TravelAgencyRole != null)
{
TravelAgencyRole.User = this;
}
if (ChangeTracker.ChangeTrackingEnabled)
{
if (ChangeTracker.OriginalValues.ContainsKey("TravelAgencyRole")
&& (ChangeTracker.OriginalValues["TravelAgencyRole"] == TravelAgencyRole))
{
ChangeTracker.OriginalValues.Remove("TravelAgencyRole");
}
else
{
ChangeTracker.RecordOriginalValue("TravelAgencyRole", 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 (TravelAgencyRole != null && !TravelAgencyRole.ChangeTracker.ChangeTrackingEnabled)
{
TravelAgencyRole.StartTracking();
}
}
}
