ArgumentChecker.notNull(referenceDataProvider, "referenceDataProvider");
ArgumentChecker.notNull(availabilityNotificationSender, "availabilityNotificationSender");
_availabilityNotificationSender = availabilityNotificationSender;
_bloombergConnector = bloombergConnector;
_referenceDataProvider = referenceDataProvider;
_sessionProvider = new SessionProvider(_bloombergConnector, BloombergConstants.MKT_DATA_SVC_NAME);
}