示例#1
0
        /// <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);
        }
示例#2
0
        /// <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);
        }