BrightIdeasSoftware.FilterMenuBuilder.ClusterOneModel C# (CSharp) Метод

        private void ClusterOneModel(IClusteringStrategy strategy, NullableDictionary<object, ICluster> map, object model)
        {
            object clusterKey = strategy.GetClusterKey(model);

            // If the returned value is an IEnumerable, that means the given model can belong to more than one cluster
            IEnumerable keyEnumerable = clusterKey as IEnumerable;
            if (clusterKey is string || keyEnumerable == null)
                keyEnumerable = new object[] {clusterKey};

            // Deal with nulls and DBNulls
            ArrayList nullCorrected = new ArrayList();
            foreach (object key in keyEnumerable) {
                if (key == null || key == System.DBNull.Value) {
                    if (this.TreatNullAsDataValue)
                        nullCorrected.Add(null);
                } else nullCorrected.Add(key);
            }

            // Group by key
            foreach (object key in nullCorrected) {
                if (map.ContainsKey(key))
                    map[key].Count += 1;
                else
                    map[key] = strategy.CreateCluster(key);
            }
        }