public void Subscribe(SubscriptionEndpoint subscription)
{
if (_disposed)
{
throw new ObjectDisposedException("ServiceBusRuntime");
}
if (subscription == null)
{
throw new ArgumentNullException("subscription");
}
if (subscription.Dispatcher.Runtime != null)
{
throw new InvalidOperationException("Subscription is attached to a bus already");
}
bool added = false;
try
{
using (TransactionScope ts = new TransactionScope())
{
_subscriptions.Write(subscriptions =>
{
subscriptions.Add(subscription);
subscription.Dispatcher.Runtime = this;
added = true;
});
if (_started)
{
subscription.Dispatcher.StartInternal();
}
foreach (RuntimeService service in ServiceLocator.GetAllInstances <RuntimeService>())
{
service.OnSubscriptionAdded(subscription);
}
EventHandler <EndpointEventArgs> subscribedEvent = SubscriptionAdded;
if (subscribedEvent != null)
{
subscribedEvent(this, new EndpointEventArgs(subscription));
}
ts.Complete();
}
}
catch
{
if (added)
{
// Remove subscription on failure
_subscriptions.Write(subscriptions =>
{
subscriptions.Remove(subscription);
});
}
throw;
}
}
