public IObservable <IDeliveryArgs> CreateProcessedEventNotificationsObservable(
DEventNotificationHandler processOneAsync)
{
return(Observable
.Defer(() => RegisterEventNotificationsHandler(processOneAsync))
.Do(args => Pulse()));
}
public IDisposable ProcessEventNotifications(DEventNotificationHandler processOneAsync)
{
if (processOneAsync == null)
{
throw new ArgumentNullException(nameof(processOneAsync));
}
return(CreateProcessedEventNotificationsObservable(processOneAsync)
.Subscribe());
}
public MessageHandlerFactory(AppletDeliveryProcessor processor, MethodInfo[] methods, DEventNotificationHandler fallback)
{
if (processor == null)
{
throw new ArgumentNullException(nameof(processor));
}
if (methods == null)
{
throw new ArgumentNullException(nameof(methods));
}
_processor = processor ?? throw new ArgumentNullException(nameof(processor));
_methods = methods ?? throw new ArgumentNullException(nameof(methods));
_fallback = fallback ?? throw new ArgumentNullException(nameof(fallback));
}
protected override IObservable <IDeliveryArgs> RegisterEventNotificationsHandler(DEventNotificationHandler processOneAsync)
{
if (processOneAsync == null)
{
throw new ArgumentNullException(nameof(processOneAsync));
}
var cancellation = new CancellationTokenSource();
return(_topic
.Do(args => { }, cancellation.Cancel)
.Select(args => new InMemoryDeliveryArgs(args, this))
.Where(CanReceiveEventNotification)
.SelectMany(async args =>
{
await processOneAsync(args, cancellation.Token);
return args;
}));
}
protected AppletDeliveryProcessor(IAppletChannel channel)
{
Channel = channel ?? throw new ArgumentNullException(nameof(channel));
_generalizedMessageHandler = CreateGeneralizedMessageHandler(channel);
}
protected abstract IObservable <IDeliveryArgs> RegisterEventNotificationsHandler(
DEventNotificationHandler processOneAsync);