BFSchema.DefiniteAssignment.GetTopoNode C# (CSharp) Method

        private BfsTopologicalNode GetTopoNode(IBfsNamedField namedField)
        {
            if (topoDictionary.ContainsKey(namedField))
                return topoDictionary[namedField];

            BfsTopologicalNode newNode = new BfsTopologicalNode(namedField);
            topoDictionary.Add(namedField, newNode);
            return newNode;
        }