public GraphQlAfAttribute(AFAttribute aAfAttribute, Field afAttributesField = null, Field tsPlotValuesField = null) { AFValue aAfValue = aAfAttribute.GetValue(); name = aAfAttribute.Name; ThisAfAttribute = aAfAttribute; value = aAfValue.Value?.ToString(); uom = aAfAttribute.DisplayUOM?.Abbreviation; if (aAfAttribute.DataReference?.Name == "PI Point") { timeStamp = aAfValue.Timestamp.UtcTime.ToString("yyyy-MM-ddTHH:mm:ssZ"); } if (afAttributesField != null) { var afAttributesNameFilterStrings = GraphQlHelpers.GetArgumentStrings(afAttributesField, "nameFilter"); var afAttributesChildField = GraphQlHelpers.GetFieldFromSelectionSet(afAttributesField, "afAttributes"); var returnAttributesObject = new ConcurrentBag <GraphQlAfAttribute>(); var afAttributeList = aAfAttribute.Attributes.ToList <AFAttribute>(); Parallel.ForEach(afAttributeList, aAfChildAttribute => { if (afAttributesNameFilterStrings.Count == 0 || afAttributesNameFilterStrings.Contains(aAfChildAttribute.Name)) { returnAttributesObject.Add(new GraphQlAfAttribute(aAfAttribute, afAttributesChildField)); } }); afAttributes = returnAttributesObject.OrderBy(x => x.name).ToList(); } if (tsPlotValuesField != null) { if (aAfAttribute.DataReference?.Name == "PI Point") { var plotDensity = GraphQlHelpers.GetArgumentDouble(tsPlotValuesField, "plotDensity"); var startDateTime = GraphQlHelpers.GetArgumentDateTime(tsPlotValuesField, "startDateTime"); var endDateTime = GraphQlHelpers.GetArgumentDateTime(tsPlotValuesField, "endDateTime"); var timeRange = new AFTimeRange(startDateTime, endDateTime); AFValues asdf = ThisAfAttribute.GetValues(timeRange, (int)plotDensity, null); var returnObject = new ConcurrentBag <GraphQlTsValue>(); foreach (AFValue aAfTsValue in asdf) { returnObject.Add(new GraphQlTsValue() { timeStamp = aAfTsValue.Timestamp.UtcTime.ToString("yyyy-MM-ddTHH:mm:ssZ"), value = aAfTsValue.Value.ToString() }); } tsPlotValues = returnObject.OrderBy(x => x.timeStamp).ToList(); } } }