public static async Task <Ackable <List <Ackable <TMessage> > > > GetManyAsync <TMessage>(this IBusClient busClient, int batchSize, Action <IGetConfigurationBuilder> config = null, CancellationToken token = default(CancellationToken))
{
var channel = await busClient.CreateChannelAsync(token : token);
var result = new List <Ackable <TMessage> >();
while (result.Count < batchSize)
{
var ackableMessage = await busClient.GetAsync <TMessage>(config, c => c.Properties.TryAdd(PipeKey.Channel, channel), token);
if (ackableMessage.Content == null)
{
break;
}
result.Add(ackableMessage);
}
return(new Ackable <List <Ackable <TMessage> > >(
result,
result.FirstOrDefault()?.Channel,
list => list.Where(a => !a.Acknowledged).SelectMany(a => a.DeliveryTags).ToArray()
));
}