DataDictionary.GuidCache.GuidVisitor.visit C# (CSharp) Method

            public override void visit(BaseModelElement obj, bool visitSubNodes)
            {
                ModelElement element = (ModelElement) obj;

                string guid = element.Guid;
                if (guid != null)
                {
                    ModelElement cachedElement;
                    if (_dictionary.TryGetValue(guid, out cachedElement))
                    {
                        if (cachedElement != null && element != cachedElement)
                        {
                            throw new Exception("Model element collision found");
                        }
                    }
                    else
                    {
                        _dictionary[element.Guid] = element;
                    }
                }

                base.visit(obj, visitSubNodes);
            }