/// <summary>
/// Reads an EDMX file from a stream.
/// </summary>
/// <param name="edmxStream">Stream to read the EDMX data from.</param>
public EDMXFile(System.IO.Stream edmxStream)
{
//load edmx stream
_edmxDocument = new XmlDocument();
_edmxDocument.Load(edmxStream);
//get namespace manager
_nsm = EDMXUtils.GetNamespaceManager(_edmxDocument, out _edmxVersion);
//ensure the file is in the expected format...
switch (_edmxVersion)
{
case EDMXVersionEnum.EDMX2012:
case EDMXVersionEnum.EDMX2010:
//expected format
break;
case EDMXVersionEnum.EDMX2008:
throw new NotSupportedException("The EDMX file is in VS2008 / EFv1 format. This tool only support VS2010/EFv4 EDMX files");
//break;
default:
throw new NotSupportedException("Unknown EDMX file format.");
}
}
/// <summary>
/// Creates a new EDMX file with the given model name, provider and provider manifest token.
/// </summary>
/// <param name="modelName">Name of the new model, e.g. "AdventureWorks".</param>
/// <param name="dbProvider">Database provider name, e.g. "System.Data.SqlClient"</param>
/// <param name="providerManifestToken">Provider manifest token, e.g. "2008"</param>
/// <param name="version">EDMX file version</param>
public EDMXFile(string modelName, string dbProvider, string providerManifestToken, EDMXVersionEnum version)
{
//new blank EDMX File
_edmxDocument = new XmlDocument();
string schemaURI = string.Empty;
string versionNumber = string.Empty;
switch (version)
{
case EDMXVersionEnum.EDMX2008:
schemaURI = "http://schemas.microsoft.com/ado/2007/06/edmx";
versionNumber = "1.0";
break;
case EDMXVersionEnum.EDMX2010:
schemaURI = "http://schemas.microsoft.com/ado/2008/10/edmx";
versionNumber = "2.0";
break;
case EDMXVersionEnum.EDMX2012:
schemaURI = "http://schemas.microsoft.com/ado/2009/11/edmx";
versionNumber = "3.0";
break;
}
//create document element
XmlElement docElement = _edmxDocument.CreateElement("Edmx", schemaURI);
docElement.SetAttribute("Version", versionNumber);
_edmxDocument.AppendChild(docElement);
//get hold of the namespace manager
_nsm = EDMXUtils.GetNamespaceManager(_edmxDocument, out _edmxVersion);
CreateEmptyEDMX();
//set required storage model properties
this.StorageModel.Namespace = modelName + ".Store";
this.StorageModel.Provider = dbProvider;
this.StorageModel.ProviderManifestToken = providerManifestToken;
this.StorageModel.ContainerName = modelName + "StoreContainer";
//set required conceptial model properties
this.ConceptualModel.Namespace = modelName;
this.ConceptualModel.ContainerName = modelName + "Entities";
//set required mapping properties
this.CSMapping.StorageEntityContainer = this.StorageModel.ContainerName;
this.CSMapping.ConceptualEntityContainer = this.ConceptualModel.ContainerName;
//set required designer properties
this.Designer.DiagramName = modelName;
}