private static void ReplaceModelRoot(
CommandProcessorContext cpc, EFRuntimeModelRoot existingModelRoot, XmlReader newSchemaReader,
CreateModelRootCallback createModelRootCallback)
{
var newModelRootNode = XElement.Load(newSchemaReader);
// find the XObject representing the existing EFRuntimeModelRoot EFObject
var existingModelRootNode = existingModelRoot.XObject as XElement;
Debug.Assert(existingModelRootNode != null, "existingRootXElement is null in ReplaceModelRoot()");
// find the parent of the existing XObject tied to the EFRuntimeModelRoot
var existingModelRootParentNode = existingModelRootNode.Parent;
// delete the old EFRuntimeModelRoot EFObject but do not delete its anti-dependencies
if (null != existingModelRoot)
{
var deleteConceptualModelCommand = new DeleteEFElementCommand(existingModelRoot, true, false);
DeleteEFElementCommand.DeleteInTransaction(cpc, deleteConceptualModelCommand);
}
existingModelRootParentNode.Add(newModelRootNode);
// Callback to create the EFRuntimeModelRoot EFObject
createModelRootCallback(newModelRootNode);
}
private static void ReplaceModelRoot(
CommandProcessorContext cpc, EFRuntimeModelRoot existingModelRoot, XmlReader newSchemaReader,
CreateModelRootCallback createModelRootCallback)
{
var newModelRootNode = XElement.Load(newSchemaReader);
// find the XObject representing the existing EFRuntimeModelRoot EFObject
var existingModelRootNode = existingModelRoot.XObject as XElement;
Debug.Assert(existingModelRootNode != null, "existingRootXElement is null in ReplaceModelRoot()");
// find the parent of the existing XObject tied to the EFRuntimeModelRoot
var existingModelRootParentNode = existingModelRootNode.Parent;
// delete the old EFRuntimeModelRoot EFObject but do not delete its anti-dependencies
if (null != existingModelRoot)
{
var deleteConceptualModelCommand = new DeleteEFElementCommand(existingModelRoot, true, false);
DeleteEFElementCommand.DeleteInTransaction(cpc, deleteConceptualModelCommand);
}
existingModelRootParentNode.Add(newModelRootNode);
// Callback to create the EFRuntimeModelRoot EFObject
createModelRootCallback(newModelRootNode);
}
