public void SaveEvents(string aggregateId, IEnumerable <IEvent> newEvents, Type aggregateType)
{
if (GetAggregateEventCount(aggregateId) == 0)
{
SaveAggregate(aggregateId, aggregateType);
}
Retries.Retry(() => InternalSaveEvents(aggregateId, newEvents), new TimeSpan(0, 0, 2), 5);
}
// service bus best practices for performance:
// http://msdn.microsoft.com/en-us/library/windowsazure/hh528527.aspx
public void Send(ISendContext context)
{
_connectionHandler
.Use(connection =>
{
// don't have too many outstanding at same time
SpinWait.SpinUntil(() => _messagesInFlight < _settings.MaxOutstanding);
using (var body = new MemoryStream())
{
context.SerializeTo(body);
// the envelope is re-usable, so let's capture it in the below closure
// as a value
var envelope = new MessageEnvelope(body.ToArray());
var sending = Retries.Retry(FaultPolicies.FinalAzurePolicy,
new Func <AsyncCallback, object, IAsyncResult>((cb, state) =>
{
return(SendMessage(connection, () =>
{
var brokeredMessage = new BrokeredMessage(envelope);
if (!string.IsNullOrWhiteSpace(context.CorrelationId))
{
brokeredMessage.CorrelationId = context.CorrelationId;
}
if (!string.IsNullOrWhiteSpace(context.MessageId))
{
brokeredMessage.MessageId = context.MessageId;
}
return brokeredMessage;
}, 1, cb, state));
}),
(IAsyncResult ar) =>
{
var state = (StateHolder)ar.AsyncState;
Interlocked.Decrement(ref _messagesInFlight);
try
{
state.Sender.EndSend(ar);
Address.LogEndSend(state.Message.MessageId);
}
finally
{
// always dispose the message; it's only good once
state.Message.Dispose();
}
});
sending.Wait();
}
});
}
