/// <summary>
/// A new IFC model generated by transformation delegate.
/// </summary>
/// <param name="source">The source model</param>
/// <param name="transform">A transform expecting an <see cref="IModel"/> and a <see cref="IfcModel"/> to associate the result to.</param>
/// <param name="canoncialName">The canonical fragment</param>
/// <returns>A new <see cref="IfcModel"/> with transform delegate</returns>
internal static IfcModel ByTransform(IfcModel source, Func <IModel, IfcModel, IModel> transform, string canoncialName)
{
IfcModel ifcModel;
if (string.IsNullOrWhiteSpace(canoncialName))
{
canoncialName = DateTime.Now.Ticks.ToString();
}
var qualifier = ProgressingModelTask <IfcModel> .BuildCanonicalQualifier(source.Qualifier, canoncialName);
if (!ModelCache.Instance.TryGetOrCreateModel(qualifier, q => new IfcModel(new IfcStore(source.Store.Logger), qualifier), out ifcModel))
{
ifcModel.Store.Producer = () =>
{
if (source.IsCanceled)
{
ifcModel.CancelAll();
ifcModel.Logger.LogWarning("Transform of '{0}' to '{1}' has been canceled.", source.CanonicalName(), ifcModel.CanonicalName());
return(null);
}
else
{
return(transform?.Invoke(source.XbimModel, ifcModel));
}
};
}
return(ifcModel);
}
/// <summary>
/// Get or creates a new model store from file and logger instance.
/// </summary>
/// <param name="fileName">File name to load</param>
/// <param name="logger">The logger instance</param>
/// <param name="tessellationPrefs">Tessellation preferences</param>
/// <returns>This instance</returns>
public static IfcModel ByIfcModelFile(string fileName, Logger logger, IfcTessellationPrefs tessellationPrefs)
{
if (string.IsNullOrEmpty(fileName))
{
throw new ArgumentNullException(nameof(fileName));
}
InitLogging(logger);
var qualifier = ProgressingModelTask <IfcModel> .BuildQualifierByFilePathName(fileName);
IfcModel ifcModel;
if (!ModelCache.Instance.TryGetOrCreateModel(qualifier, q => new IfcModel(new IfcStore(logger), qualifier), out ifcModel))
{
ifcModel.Store.Producer = () => LoadFromFile(ifcModel, tessellationPrefs, fileName);
tessellationPrefs?.ApplyToModel(ifcModel);
}
return(ifcModel);
}