Opc.Ua.Com.Server.ComAeNamespaceMapper.IndexWellKnownTypes C# (CSharp) Method

        private void IndexWellKnownTypes()
        {
            SystemContext context = new SystemContext();
            context.EncodeableFactory = m_session.MessageContext.Factory;
            context.NamespaceUris = m_session.NamespaceUris;
            context.ServerUris = m_session.ServerUris;

            NodeStateCollection predefinedNodes = new NodeStateCollection();
            predefinedNodes.LoadFromBinaryResource(context, "Opc.Ua.Stack.Generated.Opc.Ua.PredefinedNodes.uanodes", typeof(NodeState).Assembly, true);
            
            NodeIdDictionary<BaseTypeState> types = new NodeIdDictionary<BaseTypeState>();

            // collect the instance declarations for all types.
            for (int ii = 0; ii < predefinedNodes.Count; ii++)
            {
                BaseTypeState type = predefinedNodes[ii] as BaseTypeState;

                if (type != null)
                {
                    types.Add(type.NodeId, type);
                }
            }

            // index only those types which are subtypes of BaseEventType.
            foreach (BaseTypeState type in types.Values)
            {
                BaseTypeState subType = type;
                BaseTypeState superType = null;

                int eventType = 0;

                while (subType != null)
                {
                    if (subType.NodeId == Opc.Ua.ObjectTypeIds.ConditionType || subType.SuperTypeId == Opc.Ua.ObjectTypeIds.ConditionType)
                    {
                        eventType = OpcRcw.Ae.Constants.CONDITION_EVENT;
                    }

                    else if (subType.NodeId == Opc.Ua.ObjectTypeIds.AuditEventType || subType.SuperTypeId == Opc.Ua.ObjectTypeIds.AuditEventType)
                    {
                        eventType = OpcRcw.Ae.Constants.TRACKING_EVENT;
                    }

                    else if (subType.NodeId == Opc.Ua.ObjectTypeIds.BaseEventType || subType.SuperTypeId == Opc.Ua.ObjectTypeIds.BaseEventType)
                    {
                        eventType = OpcRcw.Ae.Constants.SIMPLE_EVENT;
                    }

                    // found an event, collect the attribute and index it.
                    if (eventType != 0)
                    {
                        List<AeEventAttribute> declarations = new List<AeEventAttribute>();
                        Dictionary<string, AeEventAttribute> map = new Dictionary<string, AeEventAttribute>();

                        ComAeUtils.CollectInstanceDeclarations(
                            m_session,
                            this,
                            type,
                            null,
                            declarations,
                            map);

                        AeEventCategory declaration = new AeEventCategory();
                        declaration.TypeId = type.NodeId;
                        declaration.SuperTypeId = type.SuperTypeId;
                        declaration.EventType = eventType;
                        declaration.Description = (LocalizedText.IsNullOrEmpty(type.DisplayName))?type.BrowseName.Name:type.DisplayName.Text;
                        declaration.Attributes = declarations;
                        m_eventTypes[declaration.TypeId] = declaration;
                        break;
                    }

                    // follow the tree to the parent.
                    if (!types.TryGetValue(subType.SuperTypeId, out superType))
                    {
                        break;
                    }

                    subType = superType;
                }
            }

            // hide the built in attributes.
            AeEventCategory category = GetCategory(Opc.Ua.ObjectTypeIds.BaseEventType);

            if (category != null)
            {
                for (int ii = 0; ii < category.Attributes.Count; ii++)
                {
                    switch (category.Attributes[ii].BrowsePathDisplayText)
                    {
                        case Opc.Ua.BrowseNames.Message:
                        case Opc.Ua.BrowseNames.Severity:
                        case Opc.Ua.BrowseNames.SourceName:
                        case Opc.Ua.BrowseNames.Time:
                        case Opc.Ua.BrowseNames.ReceiveTime:
                        case Opc.Ua.BrowseNames.LocalTime:
                        {
                            category.Attributes[ii].Hidden = true;
                            break;
                        }
                    }
                }
            }
        }