public Task <ISubscriber> CreateSubscriber(string topicName, string subscriptionName, Func <ISubscriber, IEnumerable <Message>, Task> messagesHandler,
SubscriberOptions options = null)
{
if (messagesHandler == null)
{
throw new ArgumentNullException(nameof(messagesHandler));
}
return(CreateSubscriberInternal(topicName, subscriptionName, options, duplexStream => new Subscriber(duplexStream, messagesHandler)));
}
private async Task <ISubscriber> CreateSubscriberInternal(string topicName, string subscriptionName, SubscriberOptions options,
Func <AsyncDuplexStreamingCall <FastQueueService.CompleteRequest, FastQueueService.MessageBatch>, Subscriber> subscriberFactory)
{
var opt = options ?? new SubscriberOptions();
var duplexStream = grpcClient.Subscribe();
await duplexStream.RequestStream.WriteAsync(new FastQueueService.CompleteRequest
{
Options = new FastQueueService.SubscriberOptions
{
TopicName = topicName,
SubscriptionName = subscriptionName,
MaxMessagesInBatch = opt.MaxMessagesInBatch,
PushIntervalMilliseconds = opt.PushIntervalMilliseconds
}
});
var subscriber = subscriberFactory(duplexStream);
subscriber.StartReceivingLoop();
return(subscriber);
}
public SubscriberOptions(SubscriberOptions options)
{
PushIntervalMilliseconds = options.PushIntervalMilliseconds;
MaxMessagesInBatch = options.MaxMessagesInBatch;
}
