public void AddRegistration(Registration registration)
{
lock(_lock)
{
XDocument doc = GetOrCreateDocument();
var registrationsNode = doc.Element("Registrations");
registrationsNode.Add(new XElement("Registration",
new XAttribute("NotificationChannel", registration.NotificationChannel),
new XAttribute("UniqueId", registration.UniqueId)));
SaveDocument(doc);
}
}
public void UpdateRegistration(Registration registration)
{
lock (_lock)
{
var doc = GetOrCreateDocument();
var registrationsNode = doc.Element("Registrations");
var node = (from reg in registrationsNode.Elements("Registration")
where reg.Attribute("UniqueId").Value == registration.UniqueId
select reg).FirstOrDefault();
if (node != null)
{
node.Attribute("NotificationChannel").Value = registration.NotificationChannel;
}
else
{
registrationsNode.Add(new XElement("Registration",
new XAttribute("NotificationChannel", registration.NotificationChannel),
new XAttribute("UniqueId", registration.UniqueId)));
}
SaveDocument(doc);
}
}