internal void MakeActive()
{
// Making a Tx Inactive means it will start listening to events on XLINQ tree
status = XmlTransactionStatus.Active;
foreach (var logger in resources.Values)
{
logger.Start();
}
}
/// <summary>
/// This API supports the Entity Framework infrastructure and is not intended to be used directly from your code.
/// </summary>
public override void Commit()
{
if (status == XmlTransactionStatus.Committed
|| status == XmlTransactionStatus.Aborted)
{
throw new XmlTransactionException(Resources.VanillaProvider_TxAlreadyCompleted);
}
try
{
if (parent != null)
{
// This is a Child Tx
parent.AppendCommands(this);
}
status = XmlTransactionStatus.Committed;
}
catch
{
Rollback();
throw;
}
manager.Commit(this);
}
public override void Rollback()
{
if (status == XmlTransactionStatus.Committed
|| status == XmlTransactionStatus.Aborted)
{
throw new XmlTransactionException(Resources.VanillaProvider_TxAlreadyCompleted);
}
try
{
// If Store is null, then it means this is a Tx created by XmlEditor
// In that case XmlEditor will probably drop the current tree anyways
if (provider != null)
{
// Client wants to rollback, so undo changes on XLINQ tree
UndoTransaction();
}
}
catch
{
// TODO: Changes cannot be rolled back now, drop the current tree and re-parse whole document
}
finally
{
status = XmlTransactionStatus.Aborted;
manager.Rollback(this);
}
}
internal SimpleTransaction(
VanillaXmlModelProvider provider, string name, SimpleTransaction parent, SimpleTransactionManager mgr, object userState)
{
this.provider = provider;
this.name = name;
this.parent = parent;
manager = mgr;
DesignerTransaction = true;
resources = new Dictionary<XDocument, SimpleTransactionLogger>();
status = XmlTransactionStatus.Active;
_userState = userState;
}
