Merged PR 1863: Switched Schema mapping to be dynamically generated e…

….g. for AirTerminals in IFC2x3 Switched Schema mapping to be dynamically generated e.g. for AirTerminals in IFC2x3 Previously was an incomplete fixed mapping table See bS IDS Issue [116](buildingSMART/IDS#116)
xBimTeam · Oct 31, 2023 · 861f584 · 861f584
1 parent d826bc8
commit 861f584
Showing 1 changed file with 43 additions and 41 deletions.
diff --git a/Xbim.IDS.Validator.Core/Helpers/SchemaTypeMap.cs b/Xbim.IDS.Validator.Core/Helpers/SchemaTypeMap.cs
@@ -1,6 +1,8 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using Xbim.Common;
+using Xbim.Common.Metadata;
 using Xbim.InformationSpecifications.Helpers;
 
 namespace Xbim.IDS.Validator.Core.Helpers
@@ -41,51 +43,51 @@ internal class SchemaTypeMap
             return null;
         }
 
+
+        private static Lazy<IDictionary<string, SchemaInference>> lazySchemaMap = new Lazy<IDictionary<string, SchemaInference>>(() => BuildSchemaInferenceMappings());
+
+        static IDictionary<string, SchemaInference> _ifc2x3Inferences => lazySchemaMap.Value;
+
         // Inferences: New types in later schemas that can be inferred in older schemas using Type information
+        static IDictionary<string, SchemaInference> BuildSchemaInferenceMappings()
+        {
+            var baseSchema = ExpressMetaData.GetMetadata(typeof(Ifc2x3.EntityFactoryIfc2x3).Module);
+            var targetSchema = ExpressMetaData.GetMetadata(typeof(Ifc4.EntityFactoryIfc4).Module);
+
+            var implicitlyMapped = GetMappings(baseSchema, targetSchema);
+
+            var dict = new Dictionary<string, SchemaInference>();
+
+            foreach( var mapping in implicitlyMapped )
+            {
+                var inference = new SchemaInference(SchemaInfo.SchemaIfc2x3[mapping.NewType.SuperType.ExpressName], SchemaInfo.SchemaIfc2x3[mapping.DefinedBy.ExpressName]);
+                dict.Add(mapping.NewType.ExpressNameUpper, inference);
+            }
+            return dict;
 
-        static IDictionary<string, SchemaInference> _ifc2x3Inferences = new Dictionary<string, SchemaInference>()
+        }
+
+
+
+        private static IEnumerable<(ExpressType NewType, ExpressType DefinedBy)> GetMappings(ExpressMetaData baseSchema, ExpressMetaData targetSchema)
         {
-            //Terminals
-            ["IFCAIRTERMINAL"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowTerminal"], SchemaInfo.SchemaIfc2x3["IfcAirTerminalType"]),
-            // AV - IFC4
-            // Comms Appliance - IFC4
-            ["IFCELECTRICAPPLIANCE"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowTerminal"], SchemaInfo.SchemaIfc2x3["IfcElectricApplianceType"]),
-            ["IFCFIRESUPPRESSIONTERMINAL"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowTerminal"], SchemaInfo.SchemaIfc2x3["IfcFireSuppressionTerminalType"]),
-            ["IFCLAMP"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowTerminal"], SchemaInfo.SchemaIfc2x3["IfcLampType"]),
-            ["IFCLIGHTFIXTURE"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowTerminal"], SchemaInfo.SchemaIfc2x3["IfcLightFixtureType"]),
-            // Medical
-            ["IFCOUTLET"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowTerminal"], SchemaInfo.SchemaIfc2x3["IfcOutletType"]),
-            ["IFCSANITARYTERMINAL"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowTerminal"], SchemaInfo.SchemaIfc2x3["IfcSanitaryTerminalType"]),
-            ["IFCSPACEHEATER"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowTerminal"], SchemaInfo.SchemaIfc2x3["IfcSpaceHeaterType"]),
-            ["IFCWASTETERMINAL"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowTerminal"], SchemaInfo.SchemaIfc2x3["IfcWasteTerminalType"]),
-
-            // Segments
-            ["IFCPIPESEGMENT"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowSegment"], SchemaInfo.SchemaIfc2x3["IfcPipeSegmentType"]),
-            ["IFCDUCTSEGMENT"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowSegment"], SchemaInfo.SchemaIfc2x3["IfcDuctSegmentType"]),
-            ["IFCCABLECARRIERSEGMENT"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowSegment"], SchemaInfo.SchemaIfc2x3["IfcCableCarrierSegmentType"]),
-            ["IFCCABLESEGMENT"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowSegment"], SchemaInfo.SchemaIfc2x3["IfcCableSegmentType"]),
-
-            // Energy Conversion
-            ["IFCBOILER"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcEnergyConversionDevice"], SchemaInfo.SchemaIfc2x3["IfcBoilerType"]),
-            ["IFCCHILLER"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcEnergyConversionDevice"], SchemaInfo.SchemaIfc2x3["IfcChillerType"]),
-            ["IFCCOOLEDBEAM"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcEnergyConversionDevice"], SchemaInfo.SchemaIfc2x3["IfcCooledBeamType"]),
-            ["IFCTRANSFORMER"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcEnergyConversionDevice"], SchemaInfo.SchemaIfc2x3["IfcTransformerType"]),
-            ["IFCUNITARYEQUIPMENT"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcEnergyConversionDevice"], SchemaInfo.SchemaIfc2x3["IfcUnitaryEquipmentType"]),
-            // Storage
-            ["IFCTANK"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowStorageDevice"], SchemaInfo.SchemaIfc2x3["IfcTankType"]),
-
-            // Flow Controllers
-            ["IFCAIRTERMINALBOX"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowController"], SchemaInfo.SchemaIfc2x3["IfcAirTerminalBoxType"]),
-            ["IFCDAMPER"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowController"], SchemaInfo.SchemaIfc2x3["IfcDamperType"]),
-            // Missing ElectricDistributionBoard is 4x only
-            ["IFCELECTRICTIMECONTROL"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowController"], SchemaInfo.SchemaIfc2x3["IfcElectricTimeControlType"]),
-            ["IFCFLOWMETER"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowController"], SchemaInfo.SchemaIfc2x3["IfcFlowMeterType"]),
-            ["IFCPROTECTIVEDEVICE"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowController"], SchemaInfo.SchemaIfc2x3["IfcProtectiveDeviceType"]),
-            ["IFCSWITCHINGDEVICE"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowController"], SchemaInfo.SchemaIfc2x3["IfcSwitchingDeviceType"]),
-            ["IFCVALVE"] = new SchemaInference(SchemaInfo.SchemaIfc2x3["IfcFlowController"], SchemaInfo.SchemaIfc2x3["IfcValveType"]),
-            //
+            var products = targetSchema.ExpressType("IFCPRODUCT");
 
-        };
+            foreach (var type in products.AllSubTypes)
+            {
+                if (baseSchema.ExpressType(type.ExpressNameUpper) == null)
+                {
+                    // New in the targer schema. Check if a Type exists by convention we can use
+                    var baseSchemaType = baseSchema.ExpressType(type.ExpressNameUpper + "TYPE");
+                    if (baseSchemaType != null)
+                    {
+                        // New but with Type we can use to discriminate in base schema
+                        yield return (type, baseSchemaType);
+                    }
+
+                }
+            }
+        }
 
 
         // Substitutions: where a type is deprecated / removed and there's a forwarding type we can use