public EventHandlerWrapper(IHaveConsequencesWhen <TEvent> consequenter)
{
if (consequenter == null)
{
throw new ArgumentNullException(nameof(consequenter));
}
InnerHandler = consequenter;
IsConsequenter = true;
handle = (@event, handler) => consequenter.HaveConsequences(@event);
}
internal static IDisposable SubscribeConsequences <TEvent>(
IHaveConsequencesWhen <TEvent> handler,
IObservable <TEvent> observable,
IEventBus bus)
where TEvent : IEvent => observable
.Subscribe(
onNext : e =>
{
try
{
handler.HaveConsequences(e);
}
catch (Exception exception)
{
var error = new EventHandlingError(exception, handler, e);
bus.PublishErrorAsync(error).Wait();
}
},
onError: exception => bus.PublishErrorAsync(new EventHandlingError(exception, handler))
.Wait());