ATML1671Allocator.forms.AvailableTestStationsWindow.ProcessSignal C# (CSharp) Method

        public void ProcessSignal(SignalRequirementsSignalRequirement signalRequirement)
        {
            var dao = new InstrumentDAO();
            var attributes = ( from attribute
                                 in signalRequirement.TsfClassAttribute
                                let name = attribute.Name
                              where attribute.Value != null
                              where attribute.Value.Item is DatumType
                                let value = Datum.GetNominalDatumValue( (DatumType) attribute.Value.Item )
                               let qualifier = ((DatumType)attribute.Value.Item).unitQualifier
                              where value != null
                             select new Tuple<string, object, string>( name.Value, value, qualifier ) ).ToList();

            lvTestStations.BeginUpdate();
            try
            {
                foreach (ListViewItem lvi in lvTestStations.Items)
                    lvi.BackColor = Color.White;

                ICollection<object> ids = dao.FindCapableEquipment(attributes);
                foreach (ListViewItem lvi in lvTestStations.Items)
                {
                    var instrument = lvi.Tag as TestStationDescription11;
                    if (instrument != null)
                    {
                        foreach (var id in ids)
                        {
                            if (id.Equals(instrument.uuid))
                                lvi.BackColor = Color.PaleGreen;
                        }
                    }
                }
            }
            catch (Exception e2)
            {
                LogManager.Debug("Error In TSF Class: {0}", signalRequirement.TsfClass.tsfClassName);
                foreach (Tuple<string, object, string> tuple in attributes)
                {
                    LogManager.Debug("     {0} = {1} {2}", tuple.Item1, tuple.Item2, tuple.Item3);
                }

            }
            lvTestStations.EndUpdate();
        }

 void requiredSignals_SignalRequirementSelected(SignalRequirementsSignalRequirement signalRequirement, EventArgs args)
 {
     availableInstruments.ProcessSignal(signalRequirement);
     availableTestStations.ProcessSignal(signalRequirement);
 }