public void OnAvailableImage( long correlationId, int streamId, int sessionId, long subscriptionRegistrationId, int subscriberPositionId, string logFileName, string sourceIdentity) { Subscription subscription = (Subscription)_resourceByRegIdMap[subscriptionRegistrationId]; if (null != subscription && !subscription.ContainsImage(correlationId)) { Image image = new Image(subscription, sessionId, new UnsafeBufferPosition(_counterValuesBuffer, subscriberPositionId), LogBuffers(correlationId, logFileName), _ctx.ErrorHandler(), sourceIdentity, correlationId); AvailableImageHandler handler = subscription.AvailableImageHandler(); if (null != handler) { try { handler(image); } catch (Exception ex) { HandleError(ex); } } subscription.AddImage(image); } }