/// <remarks>Internal for testing.</remarks>
internal static void RetargetWithMetadataConverter(XDocument xdoc, Version targetSchemaVersion, MetadataConverterDriver converter)
{
Debug.Assert(xdoc != null, "xdoc != null");
Debug.Assert(EntityFrameworkVersion.IsValidVersion(targetSchemaVersion), "invalid target schema version");
var inputXml = new XmlDocument { PreserveWhitespace = true };
using (var reader = xdoc.CreateReader())
{
inputXml.Load(reader);
}
var outputXml = converter.Convert(inputXml, targetSchemaVersion);
if (outputXml != null)
{
// Dev10 Bug 550594: There is a bug in XmlEditor that prevents from deleting the root node
// unless the root node has previous sibling (like a comment or Xml declaration).
if (xdoc.Root.PreviousNode == null)
{
xdoc.Root.AddBeforeSelf(new XComment(""));
}
// update xml document with new root element
xdoc.Root.Remove();
using (var reader = new XmlNodeReader(outputXml))
{
var newDoc = XDocument.Load(reader);
xdoc.Add(newDoc.Root);
}
// Do not reload artifact here
// Until the transaction is commited, the XLinq representation of the parsed xml tree hasn't been generated yet.
}
}
