public Subscription(IWampTopic topic, WampObserver observer, IDisposable disposable)
{
mTopic = topic;
mObserver = observer;
mDisposable = disposable;
TrackConnection();
}
private void RaiseSubscriptionAdded(WampObserver observer)
{
EventHandler <WampSubscriptionAddEventArgs> added =
SubscriptionAdded;
if (added != null)
{
added(this, new WampSubscriptionAddEventArgs(observer.SessionId,
observer));
}
}
public IDisposable Subscribe(IObserver <object> observer)
{
WampObserver casted = observer as WampObserver;
IDisposable result;
if (casted == null)
{
IObservable <object> events = mSubject.Select(x => x.Event);
result =
events.Subscribe(observer);
result = GetSubscriptionDisposable(result);
}
else
{
RaiseSubscriptionAdding(casted);
string sessionId = casted.SessionId;
IObservable <object> relevantMessages =
mSubject.Where(x => ShouldPublishMessage(x, sessionId))
.Select(x => x.Event);
IDisposable observerDisposable =
relevantMessages.Subscribe(observer);
result =
new CompositeDisposable
(Disposable.Create(() => OnWampObserverLeaving(sessionId)),
observerDisposable,
Disposable.Create(() => OnWampObserverLeft(sessionId)));
result =
GetSubscriptionDisposable(result);
mSessionIdToSubscription[sessionId] =
new Subscription(this, casted, result);
RaiseSubscriptionAdded(casted);
}
return(result);
}
protected bool Equals(WampObserver other)
{
return(string.Equals(mTopicUri, other.mTopicUri) &&
Equals(Client, other.Client));
}