C# 当我';m处于接收和删除模式?
我有以下Azure服务总线代码:C# 当我';m处于接收和删除模式?,c#,azure,azureservicebus,azure-servicebus-queues,C#,Azure,Azureservicebus,Azure Servicebus Queues,我有以下Azure服务总线代码: private async Task startInternalAsync(CancellationToken cancellationToken) { await using var client = new ServiceBusClient(_connectionString); try { var processor = client.CreateProcessor(_queueName, new ServiceBusPro
private async Task startInternalAsync(CancellationToken cancellationToken) {
await using var client = new ServiceBusClient(_connectionString);
try {
var processor = client.CreateProcessor(_queueName, new ServiceBusProcessorOptions {
ReceiveMode = ServiceBusReceiveMode.ReceiveAndDelete,
PrefetchCount = 100
});
processor.ProcessMessageAsync += messageHandler;
processor.ProcessErrorAsync += errorHandler;
await processor.StartProcessingAsync(cancellationToken);
await cancellationToken.WhenCanceled();
_logger.LogDebug("Cancellation requested. Stopping the receiver...");
await processor.StopProcessingAsync();
_logger.LogDebug("Stopped receiving messages.");
}
catch (TaskCanceledException) {
_logger.LogDebug("Cancellation requested. Exiting.");
}
catch (Exception ex) {
_logger.LogError("Message processing exception. Exiting.", ex.Message);
}
}
private async Task messageHandler(ProcessMessageEventArgs args) {
string body = args.Message.Body.ToString();
_logger.LogDebug($"Received msg: {body}");
// complete the message. message is deleted from the queue.
await args.CompleteMessageAsync(args.Message);
}
private async Task errorHandler(ProcessErrorEventArgs args) {
await Task.Yield();
_logger.LogError(args.Exception.ToString());
}
但是,我真的需要在我的
messageHandler
中调用wait args.CompleteMessageAsync(args.Message)
?我处于ReceiveAndDelete
模式,因此在检索时应立即从ASB队列中删除消息,但是否仍需要CompleteMessageAsync()
才能将其从本地队列中删除?或者我可以删除该呼叫吗?您不需要呼叫CompleteMessageAsync
,因为消息一经发送就会自动删除
事实上,我记得调用此方法实际上会在以
ReceiveAndDelete
模式获取消息时引发错误。您不需要调用completemessagesync
,因为消息一经传递就会自动删除
事实上,我记得调用此方法实际上会在以ReceiveAndDelete
模式获取消息时引发错误