Analyzer.DConnectorMotifDetector.AddSpanVertexToPotentialDConnectorMotifs C# (CSharp) Method

        protected void AddSpanVertexToPotentialDConnectorMotifs
            (IVertex oPotentialSpanVertex, ICollection<IVertex> oDPotentialAnchorVertices, Dictionary<string, DConnectorMotif> oPotentialDConnectorMotifs)
        {
            Debug.Assert(oPotentialSpanVertex != null);
            Debug.Assert(oDPotentialAnchorVertices != null);
            Debug.Assert(oDPotentialAnchorVertices.Count >= 2);
            Debug.Assert(oPotentialDConnectorMotifs != null);

            // Is there already a DConnectorMotif object for this set of
            // potential anchor vertices?

            IOrderedEnumerable<IVertex> oOrderedDPotentialAnchorVertices = oDPotentialAnchorVertices.OrderBy(v => v.ID);
            string stringKey = string.Join(",", oOrderedDPotentialAnchorVertices.Select(v => v.ID.ToString()).ToArray());

            DConnectorMotif oPotentialDConnectorMotif;

            if (!oPotentialDConnectorMotifs.TryGetValue(
                stringKey, out oPotentialDConnectorMotif))
            {
                // No.  Create one.

                oPotentialDConnectorMotif = new DConnectorMotif(new List<IVertex>(oDPotentialAnchorVertices));

                oPotentialDConnectorMotifs.Add(stringKey,
                    oPotentialDConnectorMotif);
            }

            oPotentialDConnectorMotif.SpanVertices.Add(oPotentialSpanVertex);
        }