public void Should_show_that_the_message_was_received_by_the_consumer()
{
var multiConsumer = new MultiConsumer();
ReceivedMessageList<PingMessage> received = multiConsumer.Consume<PingMessage>();
multiConsumer.Subscribe(LocalBus);
LocalBus.Publish(new PingMessage());
received.Any().ShouldBeTrue();
}
public void Should_show_that_the_message_was_received_by_the_consumer()
{
var multiConsumer = new MultiConsumer();
ReceivedMessageList <PingMessage> received = multiConsumer.Consume <PingMessage>();
multiConsumer.Subscribe(LocalBus);
LocalBus.Publish(new PingMessage());
received.Any().ShouldBeTrue();
}
public static async Task Consume(
IAsyncEnumerable <T> source,
IEnumerable <ConsumerDelegate <T> > consumers,
CancellationToken token)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (consumers == null)
{
throw new ArgumentNullException(nameof(consumers));
}
token.ThrowIfCancellationRequested();
var collection = consumers as IReadOnlyCollection <ConsumerDelegate <T> > ?? consumers.ToList();
switch (collection.Count)
{
case 0: return;
case 1:
await collection.Single()(source, token).ConfigureAwait(false);
break;
default:
var multi = new MultiConsumer <T>(collection.Count, token);
var connectable = source.Connectable(out var connect);
foreach (var consumer in collection)
{
// ReSharper disable once PossibleMultipleEnumeration
multi.Subscribe(connectable, consumer);
}
connect();
await multi._atmbWhenAll.Task.ConfigureAwait(false);
break;
}
}
/// <summary> /// Multiple consumers sharing a subscription. /// </summary> public static Task MultiConsume <T>(this IAsyncEnumerable <T> source, CancellationToken token, params ConsumerDelegate <T>[] consumers) => MultiConsumer <T> .Consume(source, consumers, token);
