public static IFCAnyHandle GetOrCreateMaterialConstituentSet(IFCFile file, IFCAnyHandle instanceHandle, HashSet <IFCAnyHandle> constituentSet)
{
IFCAnyHandle constituentSetHnd = ExporterCacheManager.MaterialConstituentSetCache.Find(constituentSet);
if (IFCAnyHandleUtil.IsNullOrHasNoValue(constituentSetHnd))
{
constituentSetHnd = IFCInstanceExporter.CreateMaterialConstituentSet(file, constituentSet, name: "MaterialConstituentSet");
ExporterCacheManager.MaterialConstituentSetCache.Register(constituentSet, constituentSetHnd);
ElementId elementId = ElementId.InvalidElementId;
if (IFCAnyHandleUtil.IsSubTypeOf(instanceHandle, IFCEntityType.IfcProduct))
{
elementId = ExporterCacheManager.HandleToElementCache.Find(instanceHandle);
}
else if (IFCAnyHandleUtil.IsSubTypeOf(instanceHandle, IFCEntityType.IfcTypeProduct))
{
ElementTypeKey eTypeKey = ExporterCacheManager.ElementTypeToHandleCache.Find(instanceHandle);
if (eTypeKey != null)
{
elementId = eTypeKey.Item1.Id;
}
}
if (elementId != ElementId.InvalidElementId)
{
ExporterCacheManager.MaterialSetCache.RegisterConstituentSetHnd(elementId, constituentSetHnd);
}
}
return(constituentSetHnd);
}
/// <summary>
/// Finds the handle from the dictionary.
/// </summary>
/// <param name="elementId">
/// The element elementId.
/// </param>
/// <returns>
/// The handle.
/// </returns>
public IFCAnyHandle Find(ElementType elementType, IFCExportInfoPair exportType)
{
IFCAnyHandle handle;
var key = new ElementTypeKey(elementType, exportType.ExportType, exportType.ValidatedPredefinedType);
if (m_ElementTypeToHandleDictionary.TryGetValue(key, out handle))
{
return(handle);
}
return(null);
}
/// <summary>
/// Adds the handle to the dictionary.
/// </summary>
/// <param name="elementId">
/// The element elementId.
/// </param>
/// <param name="handle">
/// The handle.
/// </param>
public void Register(ElementType elementType, IFCExportInfoPair exportType, IFCAnyHandle handle)
{
var key = new ElementTypeKey(elementType, exportType.ExportType, exportType.ValidatedPredefinedType);
if (m_ElementTypeToHandleDictionary.ContainsKey(key))
{
return;
}
m_ElementTypeToHandleDictionary[key] = handle;
m_RegisteredElementType.Add(key.Item1);
}