/// <inheritdoc />
public Guid Subscribe <TMessage>(Func <TMessage, CancellationToken, Task> handler, Action <SubscriptionFactoryOptions <TMessage> > configure)
{
var options = new SubscriptionFactoryOptions <TMessage>();
configure?.Invoke(options);
return(Subscribe(handler, options));
}
public static Guid Subscribe <TMessage>([NotNull] this IEventSubscriber bus, Action <TMessage> handler, SubscriptionFactoryOptions <TMessage> options)
{
if (bus == null)
{
throw new ArgumentNullException(nameof(bus));
}
return(bus.Subscribe((message, cancellationToken) =>
{
handler?.Invoke(message);
return Task.CompletedTask;
},
options));
}
/// <inheritdoc />
public Guid Subscribe <TMessage>(Func <TMessage, CancellationToken, Task> handler, SubscriptionFactoryOptions <TMessage> options)
{
var id = options?.Id ?? Guid.NewGuid();
if (_options.EnableInternalLogging)
{
_logger?.LogTrace(message: "Subscribed to {MessageName}, ID: {SubscriptionId}, Options: {@Options}", typeof(TMessage).Name, id, options);
}
var runBlindly = options?.RunBlindly ?? _options.DefaultRunInBackground;
var includeDerivedTypes = options?.IncludeDerivedTypes ?? _options.DefaultInheritSubscription;
_subscriptionRequests.Enqueue(new Subscription(id, typeof(TMessage), runBlindly, includeDerivedTypes, HandlerWithCheck));
async Task HandlerWithCheck(object message, CancellationToken cancellationToken)
{
if (message is TMessage msg)
{
var task = handler?.Invoke(msg, cancellationToken);
if (task != null)
{
await task.ConfigureAwait(false);
}
}
}
return(id);
}
