public Task <ITriggerBinding> TryCreateAsync(TriggerBindingProviderContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
ParameterInfo parameter = context.Parameter;
var attribute = TypeUtility.GetResolvedAttribute <ServiceBusTriggerAttribute>(parameter);
if (attribute == null)
{
return(Task.FromResult <ITriggerBinding>(null));
}
string queueName = null;
string topicName = null;
string subscriptionName = null;
string entityPath = null;
EntityType entityType;
if (attribute.QueueName != null)
{
queueName = Resolve(attribute.QueueName);
entityPath = queueName;
entityType = EntityType.Queue;
}
else
{
topicName = Resolve(attribute.TopicName);
subscriptionName = Resolve(attribute.SubscriptionName);
entityPath = EntityNameFormatter.FormatSubscriptionPath(topicName, subscriptionName);
entityType = EntityType.Topic;
}
attribute.Connection = Resolve(attribute.Connection);
ServiceBusAccount account = new ServiceBusAccount(_options, _configuration, attribute);
Func <ListenerFactoryContext, bool, Task <IListener> > createListener =
(factoryContext, singleDispatch) =>
{
IListener listener = new ServiceBusListener(factoryContext.Descriptor.Id, entityType, entityPath, attribute.IsSessionsEnabled, factoryContext.Executor, _options, account, _messagingProvider, _loggerFactory, singleDispatch);
return(Task.FromResult(listener));
};
#pragma warning disable 618
ITriggerBinding binding = BindingFactory.GetTriggerBinding(new ServiceBusTriggerBindingStrategy(), parameter, _converterManager, createListener);
#pragma warning restore 618
return(Task.FromResult <ITriggerBinding>(binding));
}
public Task <ITriggerBinding> TryCreateAsync(TriggerBindingProviderContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
ParameterInfo parameter = context.Parameter;
var attribute = TypeUtility.GetResolvedAttribute <ServiceBusTriggerAttribute>(parameter);
if (attribute == null)
{
return(Task.FromResult <ITriggerBinding>(null));
}
attribute.Connection = _nameResolver.ResolveWholeString(attribute.Connection);
string entityPath;
ServiceBusEntityType serviceBusEntityType;
if (attribute.QueueName != null)
{
var queueName = _nameResolver.ResolveWholeString(attribute.QueueName);
entityPath = queueName;
serviceBusEntityType = ServiceBusEntityType.Queue;
}
else
{
var topicName = _nameResolver.ResolveWholeString(attribute.TopicName);
var subscriptionName = _nameResolver.ResolveWholeString(attribute.SubscriptionName);
entityPath = EntityNameFormatter.FormatSubscriptionPath(topicName, subscriptionName);
serviceBusEntityType = ServiceBusEntityType.Topic;
}
Func <ListenerFactoryContext, bool, Task <IListener> > createListener =
(factoryContext, singleDispatch) =>
{
var autoCompleteMessagesOptionEvaluatedValue = GetAutoCompleteMessagesOptionToUse(attribute, factoryContext.Descriptor.ShortName);
IListener listener = new ServiceBusListener(factoryContext.Descriptor.Id, serviceBusEntityType, entityPath, attribute.IsSessionsEnabled, autoCompleteMessagesOptionEvaluatedValue, factoryContext.Executor, _options, attribute.Connection, _messagingProvider, _loggerFactory, singleDispatch, _clientFactory, _concurrencyManager);
return(Task.FromResult(listener));
};
#pragma warning disable 618
ITriggerBinding binding = BindingFactory.GetTriggerBinding(new ServiceBusTriggerBindingStrategy(), parameter, _converterManager, createListener);
#pragma warning restore 618
return(Task.FromResult <ITriggerBinding>(binding));
}
public async Task DeadLetterMessages()
{
await using (var scope = await ServiceBusScope.CreateWithQueue(enablePartitioning: false, enableSession: false))
{
await using var client = new ServiceBusClient(TestEnvironment.ServiceBusConnectionString);
var messageCount = 10;
ServiceBusSender sender = client.GetSender(scope.QueueName);
using ServiceBusMessageBatch batch = await sender.CreateBatchAsync();
IEnumerable <ServiceBusMessage> messages = AddMessages(batch, messageCount).AsEnumerable <ServiceBusMessage>();
await sender.SendBatchAsync(batch);
var receiver = client.GetReceiver(scope.QueueName);
var receivedMessageCount = 0;
var messageEnum = messages.GetEnumerator();
foreach (var item in await receiver.ReceiveBatchAsync(messageCount))
{
receivedMessageCount++;
messageEnum.MoveNext();
Assert.AreEqual(messageEnum.Current.MessageId, item.MessageId);
await receiver.DeadLetterAsync(item);
}
Assert.AreEqual(messageCount, receivedMessageCount);
var peekedMessage = receiver.PeekAsync();
Assert.IsNull(peekedMessage.Result);
messageEnum.Reset();
receivedMessageCount = 0;
string deadLetterQueuePath = EntityNameFormatter.FormatDeadLetterPath(scope.QueueName);
var deadLetterReceiver = client.GetReceiver(deadLetterQueuePath);
foreach (var item in await deadLetterReceiver.ReceiveBatchAsync(messageCount))
{
receivedMessageCount++;
messageEnum.MoveNext();
Assert.AreEqual(messageEnum.Current.MessageId, item.MessageId);
await deadLetterReceiver.CompleteAsync(item);
}
Assert.AreEqual(messageCount, receivedMessageCount);
var deadLetterMessage = deadLetterReceiver.PeekAsync();
Assert.IsNull(deadLetterMessage.Result);
}
}
