private void DataSubscriber_MetaDataReceived(object sender, EventArgs <DataSet> args)
{
UnsynchronizedSubscriptionInfo subscriptionInfo = new UnsynchronizedSubscriptionInfo(false);
SignalLookup lookup = m_concentrator.Mapper.Lookup;
m_concentrator.Mapper.CrunchMetadata(args.Argument);
subscriptionInfo.FilterExpression = string.Join(";", SystemSettings.FilterExpressions
.SelectMany(expression => lookup.GetMeasurementKeys(expression))
.Select(key => key.SignalID)
.Distinct());
m_dataSubscriber.Subscribe(subscriptionInfo);
}
