void _dataDelivery_OperationalStatusChangedEvent(IOperational operational, OperationalStateEnum previousOperationState)
{
if (operational.OperationalState != OperationalStateEnum.Operational)
{
return;
}
RuntimeDataSessionInformation info = _dataDelivery.GetSymbolRuntimeSessionInformation(_session.Symbol);
if (info != null)
{
if (info.TickDataAvailabe)
{
_dataDelivery.RequestDataHistoryUpdate(_session, new DataHistoryRequest(TimeSpan.Zero, null), false);
}
}
else
{
SystemMonitor.OperationError("Failed to estblish runtime data session information.");
}
}
void _dataDelivery_OperationalStatusChangedEvent(IOperational operational, OperationalStateEnum previousOperationState)
{
if (operational.OperationalState != OperationalStateEnum.Operational)
{
return;
}
if (_sessionInfo.IsEmtpy)
{
SystemMonitor.OperationError("Data bar provider has no valid session assiged.");
return;
}
// Re-map the session orderInfo.
RuntimeDataSessionInformation information = _dataDelivery.GetSymbolRuntimeSessionInformation(_sessionInfo.Symbol);
if (information == null)
{
SystemMonitor.OperationError("Failed to map session information for data provider.");
_sessionInfo = DataSessionInfo.Empty;
return;
}
else
{
_sessionInfo = information.Info;
}
if (_dataDelivery.SubscribeToData(_sessionInfo, true, new DataSubscriptionInfo(false, false, new TimeSpan[] { Period.Value })) == false)
{
SystemMonitor.OperationError("Failed to subscribe to bar data updates.");
return;
}
RuntimeDataSessionInformation session = _dataDelivery.GetSymbolRuntimeSessionInformation(_sessionInfo.Symbol);
if (session != null && session.AvailableDataBarPeriods.Contains(_period.Value))
{
_dataDelivery.RequestDataHistoryUpdate(_sessionInfo, new DataHistoryRequest(_period.Value, _defaultHistoryBarsCount), false);
}
}