public virtual void ChangeEdgeType(int direction, StatEdge edge, int newtype)
{
int oldtype = edge.GetType();
if (oldtype == newtype)
{
return;
}
if (oldtype == StatEdge.Type_Exception || newtype == StatEdge.Type_Exception)
{
throw new Exception("Invalid edge type!");
}
RemoveEdgeDirectInternal(direction, edge, oldtype);
AddEdgeDirectInternal(direction, edge, newtype);
if (direction == Direction_Forward)
{
edge.GetDestination().ChangeEdgeType(Direction_Backward, edge, newtype);
}
edge.SetType(newtype);
}
