// private void OnPostLoadModelAndDiagram(DslModeling::SerializationResult serializationResult, DslModeling::Partition modelPartition, string modelFileName, DslModeling::Partition diagramPartition, string diagramFileName, ModelRoot modelRoot, EFModelDiagram diagram)
// private DslDiagrams::Diagram LoadDiagram(DslModeling::SerializationResult serializationResult, DslModeling::ModelElement modelRoot, DslModeling::Partition diagramPartition, global::System.IO.Stream diagramStream, DslModeling::ISchemaResolver schemaResolver, DslValidation::ValidationController validationController, DslModeling::ISerializerLocator serializerLocator)
private DslDiagrams::Diagram LoadDiagram(DslModeling::SerializationResult serializationResult, DslModeling::Partition modelPartition, string modelFileName, string diagramFileName, DslModeling::ModelElement modelRoot, DslModeling::Partition diagramPartition, global::System.IO.Stream diagramStream, DslModeling::ISchemaResolver schemaResolver, DslValidation::ValidationController validationController, DslModeling::ISerializerLocator serializerLocator)
{
#region Check Parameters
if (serializationResult == null)
{
throw new global::System.ArgumentNullException("serializationResult");
}
if (modelRoot == null)
{
throw new global::System.ArgumentNullException("modelRoot");
}
if (diagramPartition == null)
{
throw new global::System.ArgumentNullException("diagramPartition");
}
#endregion
DslDiagrams::Diagram diagram = null;
var diagramName = string.Empty;
// Ensure there is an outer transaction spanning both model and diagram load, so moniker resolution works properly.
if (!diagramPartition.Store.TransactionActive)
{
throw new global::System.InvalidOperationException(EFModelDomainModel.SingletonResourceManager.GetString("MissingTransaction"));
}
if (diagramStream == null || diagramStream == global::System.IO.Stream.Null || !diagramStream.CanRead || diagramStream.Length < 6)
{
// missing diagram file indicates we should create a new diagram.
diagram = this.CreateDiagramHelper(diagramPartition, modelRoot);
}
else
{
var directory = this.GetDirectory(diagramPartition.Store);
var localName = string.Empty;
var localSettings = EFModelSerializationHelper.Instance.CreateXmlReaderSettings(null, false);
try
{
using (var reader = global::System.Xml.XmlReader.Create(diagramStream, localSettings))
{
reader.MoveToContent();
localName = reader.LocalName;
global::System.Diagnostics.Debug.Assert(!string.IsNullOrEmpty(reader.GetAttribute("name")), "One of diagram streams is not well-formed");
diagramName = reader.GetAttribute("name");
}
diagramStream.Seek(0, global::System.IO.SeekOrigin.Begin);
}
catch (global::System.Xml.XmlException xEx)
{
DslModeling::SerializationUtilities.AddMessage(
new DslModeling::SerializationContext(directory),
DslModeling::SerializationMessageKind.Error,
xEx
);
}
var diagramSerializer = directory.GetSerializer(EFModelDiagram.DomainClassId) ?? this.GetSerializer(diagramPartition.Store, localName);
global::System.Diagnostics.Debug.Assert(diagramSerializer != null, "Cannot find serializer for " + diagramName);
if (diagramSerializer != null)
{
DslModeling::SerializationContext serializationContext = new DslModeling::SerializationContext(directory, diagramName, serializationResult);
this.InitializeSerializationContext(diagramPartition, serializationContext, true);
DslModeling::TransactionContext transactionContext = new DslModeling::TransactionContext();
transactionContext.Add(DslModeling::SerializationContext.TransactionContextKey, serializationContext);
using (DslModeling::Transaction postT = diagramPartition.Store.TransactionManager.BeginTransaction("PostLoad Model and Diagram", true, transactionContext))
{
using (DslModeling::Transaction t = diagramPartition.Store.TransactionManager.BeginTransaction("LoadDiagram", 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 (diagramStream.Length > 5)
{
global::System.Xml.XmlReaderSettings settings = EFModelSerializationHelper.Instance.CreateXmlReaderSettings(serializationContext, false);
try
{
using (global::System.Xml.XmlReader reader = global::System.Xml.XmlReader.Create(diagramStream, settings))
{
reader.MoveToContent();
diagram = diagramSerializer.TryCreateInstance(serializationContext, reader, diagramPartition) as DslDiagrams::Diagram;
if (diagram != null)
{
this.ReadRootElement(serializationContext, diagramSerializer, diagram, reader, schemaResolver);
}
}
}
catch (global::System.Xml.XmlException xEx)
{
DslModeling::SerializationUtilities.AddMessage(
serializationContext,
DslModeling::SerializationMessageKind.Error,
xEx
);
}
if (serializationResult.Failed)
{
// Serialization error encountered, rollback the transaction.
diagram = null;
t.Rollback();
}
}
if (diagram == null && !serializationResult.Failed)
{
// Create diagram if it doesn't exist
diagram = this.CreateDiagramHelper(diagramPartition, modelRoot);
}
if (t.IsActive)
{
t.Commit();
}
} // End inner Tx
// Fire PostLoad customization code whether Load succeeded or not
// Provide a method in a partial class with the following signature:
///// <summary>
///// Customize Model and Diagram Loading.
///// </summary>
///// <param name="serializationResult">Stores serialization result from the load operation.</param>
///// <param name="modelPartition">Partition in which the new DslLibrary instance will be created.</param>
///// <param name="modelFileName">Name of the file from which the DslLibrary instance will be deserialized.</param>
///// <param name="diagramPartition">Partition in which the new DslDesignerDiagram instance will be created.</param>
///// <param name="diagramFileName">Name of the file from which the DslDesignerDiagram instance will be deserialized.</param>
///// <param name="modelRoot">The root of the file that was loaded.</param>
///// <param name="diagram">The diagram matching the modelRoot.</param>
// private void OnPostLoadModelAndDiagram(DslModeling::SerializationResult serializationResult, DslModeling::Partition modelPartition, string modelFileName, DslModeling::Partition diagramPartition, string diagramFileName, ModelRoot modelRoot, EFModelDiagram diagram)
this.OnPostLoadModelAndDiagram(serializationResult, modelPartition, modelFileName, diagramPartition, diagramFileName, (ModelRoot)modelRoot, (EFModelDiagram)diagram);
if (serializationResult.Failed)
{ // Serialization error encountered, rollback the middle transaction.
modelRoot = null;
postT.Rollback();
}
if (postT.IsActive)
{
postT.Commit();
}
} // End MiddleTx
// Do load-time validation if a ValidationController is provided.
if (!serializationResult.Failed && validationController != null)
{
using (new SerializationValidationObserver(serializationResult, validationController))
{
validationController.Validate(diagramPartition, DslValidation::ValidationCategories.Load);
}
}
}
}
if (diagram != null)
{
if (!serializationResult.Failed)
{ // Succeeded.
diagram.ModelElement = diagram.ModelElement ?? modelRoot;
diagram.PostDeserialization(true);
this.CheckForOrphanedShapes(diagram, serializationResult);
}
else
{ // Failed.
diagram.PostDeserialization(false);
}
}
return(diagram);
}
public MetaModel LoadModel(DslModeling::SerializationResult serializationResult, DslModeling::Partition partition, string fileName, DslModeling::ISchemaResolver schemaResolver, DslValidation::ValidationController validationController, DslModeling::ISerializerLocator serializerLocator, bool bStartT, bool bIsTopMost)
{
#region Model
#region Check Parameters
if (serializationResult == null)
throw new global::System.ArgumentNullException("serializationResult");
if (partition == null)
throw new global::System.ArgumentNullException("partition");
if (string.IsNullOrEmpty(fileName))
throw new global::System.ArgumentNullException("fileName");
#endregion
// Ensure there is a transaction for this model to Load in.
if (!partition.Store.TransactionActive)
{
throw new global::System.InvalidOperationException(LanguageDSLDomainModel.SingletonResourceManager.GetString("MissingTransaction"));
}
MetaModel modelRoot = null;
DslModeling::DomainXmlSerializerDirectory directory = this.GetDirectory(partition.Store);
DslModeling::DomainClassXmlSerializer modelRootSerializer = directory.GetSerializer(MetaModel.DomainClassId);
global::System.Diagnostics.Debug.Assert(modelRootSerializer != null, "Cannot find serializer for MetaModel!");
if (modelRootSerializer != null)
{
using (global::System.IO.FileStream fileStream = global::System.IO.File.OpenRead(fileName))
{
DslModeling::SerializationContext serializationContext = new DslModeling::SerializationContext(directory, fileStream.Name, serializationResult);
this.InitializeSerializationContext(partition, serializationContext, true);
DslModeling::TransactionContext transactionContext = new DslModeling::TransactionContext();
transactionContext.Add(DslModeling::SerializationContext.TransactionContextKey, serializationContext);
DslModeling::Transaction t = null;
if (bStartT)
{
t = partition.Store.TransactionManager.BeginTransaction("Load Model from " + fileName, 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 root element to be created and returned.
if (fileStream.Length > 5)
{
try
{
global::System.Xml.XmlReaderSettings settings = LanguageDSLSerializationHelper.Instance.CreateXmlReaderSettings(serializationContext, false);
using (global::System.Xml.XmlReader reader = global::System.Xml.XmlReader.Create(fileStream, settings))
{
// Attempt to read the encoding.
reader.Read(); // Move to the first node - will be the XmlDeclaration if there is one.
global::System.Text.Encoding encoding;
if (this.TryGetEncoding(reader, out encoding))
{
serializationResult.Encoding = encoding;
}
// Load any additional domain models that are required
DslModeling::SerializationUtilities.ResolveDomainModels(reader, serializerLocator, partition.Store);
reader.MoveToContent();
modelRoot = modelRootSerializer.TryCreateInstance(serializationContext, reader, partition) as MetaModel;
if (modelRoot != null && !serializationResult.Failed)
{
modelRoot.BaseDirectory = MetaModelLibraryBase.GetBaseDirectory(fileName);
modelRoot.FilePath = fileName;
this.ReadRootElement(serializationContext, modelRoot, reader, schemaResolver);
}
}
}
catch (global::System.Xml.XmlException xEx)
{
DslModeling::SerializationUtilities.AddMessage(
serializationContext,
DslModeling::SerializationMessageKind.Error,
xEx
);
}
}
if (modelRoot == null && !serializationResult.Failed)
{
// create model root if it doesn't exist.
modelRoot = this.CreateModelHelper(partition);
modelRoot.BaseDirectory = MetaModelLibraryBase.GetBaseDirectory(fileName);
modelRoot.FilePath = fileName;
}
if (bStartT)
if (t.IsActive)
t.Commit();
// Do load-time validation if a ValidationController is provided.
if (!serializationResult.Failed && validationController != null)
{
using (new SerializationValidationObserver(serializationResult, validationController))
{
validationController.Validate(partition, DslValidation::ValidationCategories.Load);
}
}
}
}
#endregion
MetaModel model = modelRoot;
if (bIsTopMost)
model.IsTopMost = true;
#region Diagrams
System.IO.FileInfo info = new System.IO.FileInfo(fileName);
string fileNameDiagram = info.DirectoryName + "\\" + info.Name.Remove(info.Name.Length - info.Extension.Length, info.Extension.Length) + DiagramExtension;
View view = null;
if (System.IO.File.Exists(fileNameDiagram))
{
//DslModeling::DomainXmlSerializerDirectory directory = this.GetDirectory(partition.Store);
DslModeling::DomainClassXmlSerializer viewSerializer = directory.GetSerializer(View.DomainClassId);
global::System.Diagnostics.Debug.Assert(viewSerializer != null, "Cannot find serializer for View!");
if (viewSerializer != null)
{
using (global::System.IO.FileStream fileStream = global::System.IO.File.OpenRead(fileNameDiagram))
{
DslModeling::SerializationContext serializationContext = new DslModeling::SerializationContext(directory, fileStream.Name, serializationResult);
this.InitializeSerializationContext(partition, serializationContext, true);
DslModeling::TransactionContext transactionContext = new DslModeling::TransactionContext();
transactionContext.Add(DslModeling::SerializationContext.TransactionContextKey, serializationContext);
DslModeling::Transaction t = null;
if (bStartT)
t = partition.Store.TransactionManager.BeginTransaction("Load Model from " + fileNameDiagram, 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 root element to be created and returned.
if (fileStream.Length > 5)
{
try
{
global::System.Xml.XmlReaderSettings settings = LanguageDSLSerializationHelper.Instance.CreateXmlReaderSettings(serializationContext, false);
using (global::System.Xml.XmlReader reader = global::System.Xml.XmlReader.Create(fileStream, settings))
{
// Attempt to read the encoding.
reader.Read(); // Move to the first node - will be the XmlDeclaration if there is one.
global::System.Text.Encoding encoding;
if (this.TryGetEncoding(reader, out encoding))
{
serializationResult.Encoding = encoding;
}
reader.MoveToContent();
view = viewSerializer.TryCreateInstance(serializationContext, reader, partition) as View;
if (view != null && !serializationResult.Failed)
{
// Use a validating reader if possible
viewSerializer.Read(serializationContext, view, reader);
model.View = view;
}
}
}
catch (global::System.Xml.XmlException xEx)
{
DslModeling::SerializationUtilities.AddMessage(
serializationContext,
DslModeling::SerializationMessageKind.Error,
xEx
);
}
}
if (bStartT)
if (t.IsActive)
t.Commit();
}
}
}
#endregion
//if( bIsTopMost )
SerializationPostProcessor.PostProcessModelLoad(model);
return model;
}
