// Can't really infer the topic from the subscription, since subscriptions of the same
// name can exist across different topics (i.e. "all" currently)
public EventProcessor CreateEventProcessor(string subscription, IEventHandler handler, ITextSerializer serializer)
{
if (!this.initialized)
throw new InvalidOperationException("Service bus configuration has not been initialized.");
var topicSettings = this.settings.Topics.Find(x => x.IsEventBus);
if (topicSettings == null)
throw new ArgumentOutOfRangeException("No topic has been marked with the IsEventBus attribute. Cannot create event processor.");
var subscriptionSettings = topicSettings.Subscriptions.Find(x => x.Name == subscription);
if (subscriptionSettings == null)
throw new ArgumentOutOfRangeException(string.Format(
CultureInfo.CurrentCulture,
"Subscription '{0}' for topic '{1}' has not been registered in the service bus configuration.",
subscription, topicSettings.Path));
var receiver = subscriptionSettings.RequiresSession ?
(IMessageReceiver)new SessionSubscriptionReceiver(this.settings, topicSettings.Path, subscription) :
(IMessageReceiver)new SubscriptionReceiver(this.settings, topicSettings.Path, subscription);
var processor = new EventProcessor(receiver, serializer);
processor.Register(handler);
return processor;
}
public EventProcessor CreateEventProcessor(string subscription, IEventHandler handler, ITextSerializer serializer, bool instrumentationEnabled = false)
{
if (!this.initialized)
throw new InvalidOperationException("Service bus configuration has not been initialized.");
TopicSettings topicSettings = null;
SubscriptionSettings subscriptionSettings = null;
foreach (var settings in this.settings.Topics.Where(t => t.IsEventBus))
{
subscriptionSettings = settings.Subscriptions.Find(s => s.Name == subscription);
if (subscriptionSettings != null)
{
topicSettings = settings;
break;
}
}
if (subscriptionSettings == null)
{
throw new ArgumentOutOfRangeException(
string.Format(
CultureInfo.CurrentCulture,
"Subscription '{0}' has not been registered for an event bus topic in the service bus configuration.",
subscription));
}
IMessageReceiver receiver;
if (subscriptionSettings.RequiresSession)
{
var instrumentation = new SessionSubscriptionReceiverInstrumentation(subscription, instrumentationEnabled);
try
{
receiver = (IMessageReceiver)new SessionSubscriptionReceiver(this.settings, topicSettings.Path, subscription, true, instrumentation);
}
catch
{
instrumentation.Dispose();
throw;
}
}
else
{
var instrumentation = new SubscriptionReceiverInstrumentation(subscription, instrumentationEnabled);
try
{
receiver = (IMessageReceiver)new SubscriptionReceiver(this.settings, topicSettings.Path, subscription, true, instrumentation);
}
catch
{
instrumentation.Dispose();
throw;
}
}
EventProcessor processor;
try
{
processor = new EventProcessor(receiver, serializer);
}
catch
{
using (receiver as IDisposable) { }
throw;
}
try
{
processor.Register(handler);
return processor;
}
catch
{
processor.Dispose();
throw;
}
}