Пример #1
0
        private void ParseSeries(GSF.PQDIF.Logical.ChannelInstance channelInstance, PQds.Model.Channel channel, PQds.Model.Event evt)
        {
            PQds.Model.DataSeries dataSeries = new DataSeries();
            dataSeries.EventID   = evt.ID;
            dataSeries.ChannelID = channel.ID;


            Guid quantityType = channelInstance.Definition.QuantityTypeID;

            SeriesInstance timeSeries   = null;
            SeriesInstance valuesSeries = null;

            if (isPOW(quantityType))
            {
                timeSeries   = channelInstance.SeriesInstances.Single(series => series.Definition.ValueTypeID == SeriesValueType.Time);
                valuesSeries = channelInstance.SeriesInstances.Single(series => series.Definition.ValueTypeID == SeriesValueType.Val);
            }
            else
            {
                return;
            }


            List <double>   values     = valuesSeries.OriginalValues.Select(val => Convert.ToDouble(val)).ToList();
            List <DateTime> timeStamps = new List <DateTime>();

            if (timeSeries.Definition.QuantityUnits == QuantityUnits.Seconds)
            {
                // If time series is in seconds from start time of the observation record,
                // TimeValues must be calculated by adding values to start time
                timeStamps = timeSeries.OriginalValues
                             .Select(Convert.ToDouble)
                             .Select(seconds => (long)(seconds * TimeSpan.TicksPerSecond))
                             .Select(TimeSpan.FromTicks)
                             .Select(timeSpan => channelInstance.ObservationRecord.StartTime + timeSpan)
                             .ToList();
            }
            else if (timeSeries.Definition.QuantityUnits == QuantityUnits.Timestamp)
            {
                // If time series is a collection of absolute time, seconds from start time
                // must be calculated by subtracting the start time of the observation record
                timeStamps = timeSeries.OriginalValues.Cast <DateTime>().ToList();
            }

            dataSeries.Series = timeStamps.Select((item, index) => new PQds.Model.DataPoint()
            {
                Time  = item,
                Value = values[index]
            }).ToList();

            using (AdoDataConnection connection = new AdoDataConnection("systemSettings"))
            {
                GSF.Data.Model.TableOperations <PQds.Model.DataSeries> dataSeriesTable = new GSF.Data.Model.TableOperations <PQds.Model.DataSeries>(connection);
                dataSeriesTable.AddNewRecord(dataSeries);
            }
        }
Пример #2
0
        private Boolean RemoveEmptyChannel(PQds.Model.Channel channel)
        {
            using (AdoDataConnection connection = new AdoDataConnection("systemSettings"))
            {
                GSF.Data.Model.TableOperations <PQds.Model.DataSeries> dataSeriesTable = new GSF.Data.Model.TableOperations <PQds.Model.DataSeries>(connection);
                GSF.Data.Model.TableOperations <PQds.Model.Channel>    channelTable    = new GSF.Data.Model.TableOperations <PQds.Model.Channel>(connection);

                int nEvents = dataSeriesTable.QueryRecordCountWhere("ChannelID = {0} ", channel.ID);

                if (nEvents == 0)
                {
                    //remove corresponsing MeasurmentID
                    channelTable.DeleteRecord(channel);
                    return(false);
                }
                else
                {
                    return(true);
                }
            }
        }