private void LoadDiagram( DslModeling.SerializationResult serializationResult, DslModeling.Partition diagramPartition, PatternModelSchema modelRoot, DslModeling.DomainXmlSerializerDirectory directory, DslModeling.DomainClassXmlSerializer diagramSerializer, string diagramFileName, DslModeling.ISchemaResolver schemaResolver, ValidationController validationController) { if (diagramSerializer != null) { PatternModelSchemaDiagram diagram = null; using (FileStream fileStream = File.OpenRead(diagramFileName)) { var serializationContext = new DslModeling.SerializationContext(directory, fileStream.Name, serializationResult); this.InitializeSerializationContext(diagramPartition, serializationContext, true); var transactionContext = new DslModeling.TransactionContext(); transactionContext.Add(DslModeling.SerializationContext.TransactionContextKey, serializationContext); using (var transaction = diagramPartition.Store.TransactionManager.BeginTransaction(Resources.PatternModelSerializationHelper_TransactionDescriptionLoadingDiagram, true, transactionContext)) { // Ensure there is some content in the file. Blank (or almost blank, to account for encoding header bytes, etc.) // files will cause a new diagram to be created and returned if (fileStream.Length > 5) { var settings = PatternModelSerializationHelper.Instance.CreateXmlReaderSettings(serializationContext, false); try { using (var reader = XmlReader.Create(fileStream, settings)) { reader.MoveToContent(); diagram = diagramSerializer.TryCreateInstance(serializationContext, reader, diagramPartition) as PatternModelSchemaDiagram; if (diagram != null) { this.ReadRootElement(serializationContext, diagram, reader, schemaResolver); } } } catch (XmlException ex) { DslModeling.SerializationUtilities.AddMessage(serializationContext, DslModeling.SerializationMessageKind.Error, ex); } if (serializationResult.Failed) { // Serialization error encountered, rollback the transaction. diagram = null; transaction.Rollback(); } } if (diagram == null && !serializationResult.Failed) { // Create diagram if it doesn't exist if (diagramFileName.EndsWith(DesignerConstants.DiagramFileExtension, StringComparison.OrdinalIgnoreCase)) { diagram = new PatternModelSchemaDiagram( diagramPartition.Store, new DslModeling.PropertyAssignment(DslDiagrams.Diagram.NameDomainPropertyId, Guid.NewGuid())); } else { diagram = this.CreateDiagramHelper(diagramPartition, modelRoot); } } if (transaction.IsActive) { transaction.Commit(); } } // End inner Tx // Do load-time validation if a ValidationController is provided. if (!serializationResult.Failed && validationController != null) { using (new SerializationValidationObserver(serializationResult, validationController)) { validationController.Validate(diagramPartition, ValidationCategories.Load); } } } if (diagram != null) { if (!serializationResult.Failed) { // Succeeded. diagram.ModelElement = modelRoot; diagram.PostDeserialization(true); this.CheckForOrphanedShapes(diagram, serializationResult); } else { // Failed. diagram.PostDeserialization(false); } } } }
public PatternModelSchema LoadModel(DslModeling.Store store, Stream stream, DslModeling.ISchemaResolver schemaResolver, DslModeling.ISerializerLocator serializerLocator) { Guard.NotNull(() => store, store); Guard.NotNull(() => stream, stream); if (!store.DefaultPartition.Store.TransactionActive) { throw new InvalidOperationException(PatternModelDomainModel.SingletonResourceManager.GetString("MissingTransaction")); } var directory = this.GetDirectory(store.DefaultPartition.Store); var modelRootSerializer = directory.GetSerializer(PatternModelSchema.DomainClassId); var serializationResult = new DslModeling.SerializationResult(); Debug.Assert(modelRootSerializer != null, @"Cannot find serializer for PatternModel!"); if (modelRootSerializer != null) { PatternModelSchema modelRoot = null; var serializationContext = new DslModeling.SerializationContext(directory, string.Empty, serializationResult); this.InitializeSerializationContext(store.DefaultPartition, serializationContext, true); var transactionContext = new DslModeling.TransactionContext(); transactionContext.Add(DslModeling.SerializationContext.TransactionContextKey, serializationContext); using (var tx = store.DefaultPartition.Store.TransactionManager.BeginTransaction(Resources.PatternModelSerializationHelper_TransactionDescriptionLoadingModel, true, transactionContext)) { try { var settings = PatternModelSerializationHelper.Instance.CreateXmlReaderSettings(serializationContext, false); using (var reader = XmlReader.Create(stream, settings)) { reader.Read(); Encoding encoding; if (this.TryGetEncoding(reader, out encoding)) { serializationResult.Encoding = encoding; } DslModeling.SerializationUtilities.ResolveDomainModels(reader, serializerLocator, store.DefaultPartition.Store); reader.MoveToContent(); modelRoot = modelRootSerializer.TryCreateInstance(serializationContext, reader, store.DefaultPartition) as PatternModelSchema; if (modelRoot != null && !serializationResult.Failed) { this.ReadRootElement(serializationContext, modelRoot, reader, schemaResolver); } } } catch (XmlException ex) { DslModeling.SerializationUtilities.AddMessage(serializationContext, DslModeling.SerializationMessageKind.Error, ex); } if (modelRoot == null && !serializationResult.Failed) { modelRoot = this.CreateModelHelper(store.DefaultPartition); } if (tx.IsActive) { tx.Commit(); } } // Set tracking properties ResetTrackingProperties(store); return modelRoot; } return null; }
public PatternModelSchema LoadModel(DslModeling.Store store, Stream stream, DslModeling.ISchemaResolver schemaResolver, DslModeling.ISerializerLocator serializerLocator) { Guard.NotNull(() => store, store); Guard.NotNull(() => stream, stream); if (!store.DefaultPartition.Store.TransactionActive) { throw new InvalidOperationException(PatternModelDomainModel.SingletonResourceManager.GetString("MissingTransaction")); } var directory = this.GetDirectory(store.DefaultPartition.Store); var modelRootSerializer = directory.GetSerializer(PatternModelSchema.DomainClassId); var serializationResult = new DslModeling.SerializationResult(); Debug.Assert(modelRootSerializer != null, @"Cannot find serializer for PatternModel!"); if (modelRootSerializer != null) { PatternModelSchema modelRoot = null; var serializationContext = new DslModeling.SerializationContext(directory, string.Empty, serializationResult); this.InitializeSerializationContext(store.DefaultPartition, serializationContext, true); var transactionContext = new DslModeling.TransactionContext(); transactionContext.Add(DslModeling.SerializationContext.TransactionContextKey, serializationContext); using (var tx = store.DefaultPartition.Store.TransactionManager.BeginTransaction(Resources.PatternModelSerializationHelper_TransactionDescriptionLoadingModel, true, transactionContext)) { try { var settings = PatternModelSerializationHelper.Instance.CreateXmlReaderSettings(serializationContext, false); using (var reader = XmlReader.Create(stream, settings)) { reader.Read(); Encoding encoding; if (this.TryGetEncoding(reader, out encoding)) { serializationResult.Encoding = encoding; } DslModeling.SerializationUtilities.ResolveDomainModels(reader, serializerLocator, store.DefaultPartition.Store); reader.MoveToContent(); modelRoot = modelRootSerializer.TryCreateInstance(serializationContext, reader, store.DefaultPartition) as PatternModelSchema; if (modelRoot != null && !serializationResult.Failed) { this.ReadRootElement(serializationContext, modelRoot, reader, schemaResolver); } } } catch (XmlException ex) { DslModeling.SerializationUtilities.AddMessage(serializationContext, DslModeling.SerializationMessageKind.Error, ex); } if (modelRoot == null && !serializationResult.Failed) { modelRoot = this.CreateModelHelper(store.DefaultPartition); } if (tx.IsActive) { tx.Commit(); } } // Set tracking properties ResetTrackingProperties(store); return(modelRoot); } return(null); }