public bool CommitIfNecessary(bool localTx)
{
if (DeliveryTags.Count == 0)
{
return(false);
}
var isLocallyTransacted = localTx || (Transactional && TransactionSynchronizationManager.GetResource(ConnectionFactory) == null);
try
{
var ackRequired = !AcknowledgeMode.IsAutoAck() && !AcknowledgeMode.IsManual();
if (ackRequired && (!Transactional || isLocallyTransacted))
{
var deliveryTag = new List <ulong>(DeliveryTags)[DeliveryTags.Count - 1];
Channel.BasicAck(deliveryTag, true);
}
if (isLocallyTransacted)
{
// For manual acks we still need to commit
RabbitUtils.CommitIfNecessary(Channel);
}
}
finally
{
DeliveryTags.Clear();
}
return(true);
}
protected virtual void ValidateConfiguration()
{
if (!(ExposeListenerChannel || !AcknowledgeMode.IsManual()))
{
throw new ArgumentException(
"You cannot acknowledge messages manually if the channel is not exposed to the listener "
+ "(please check your configuration and set exposeListenerChannel=true or " +
"acknowledgeMode!=MANUAL)");
}
if (IsChannelTransacted && AcknowledgeMode.IsAutoAck())
{
throw new ArgumentException(
"The acknowledgeMode is NONE (autoack in Rabbit terms) which is not consistent with having a "
+ "transactional channel. Either use a different AcknowledgeMode or make sure " +
"channelTransacted=false");
}
}
public void RollbackOnExceptionIfNecessary(Exception ex)
{
bool ackRequired = !AcknowledgeMode.IsAutoAck() && (!AcknowledgeMode.IsManual() || ContainerUtils.IsRejectManual(ex));
try
{
if (Transactional)
{
Logger?.LogDebug(ex, "Initiating transaction rollback on application exception");
RabbitUtils.RollbackIfNecessary(Channel);
}
if (ackRequired)
{
if (DeliveryTags.Count > 0)
{
ulong deliveryTag = DeliveryTags.Max();
Channel.BasicNack(deliveryTag, true, ContainerUtils.ShouldRequeue(DefaultRequeueRejected, ex, Logger));
}
if (Transactional)
{
// Need to commit the reject (=nack)
RabbitUtils.CommitIfNecessary(Channel);
}
}
}
catch (Exception e)
{
Logger?.LogError(ex, "Application exception overridden by rollback exception");
throw RabbitExceptionTranslator.ConvertRabbitAccessException(e); // NOSONAR stack trace loss
}
finally
{
DeliveryTags.Clear();
}
}