/// <summary>
/// Notify that everything has been saved and create a save point in the action stack.
/// </summary>
internal void NotifySave()
{
service.NotifySave();
transactions.ForEach(x => x.NotifySave());
transactions.ForEach(x => x.IsSavePoint = false);
var savePoint = transactions.LastOrDefault(x => x.IsSaved);
if (savePoint != null)
{
savePoint.IsSavePoint = true;
}
}