Example #1
0
        // Gets the series info data for the series with the given identifier.
        // Optimized to prevent loading series data for irrelevant channels.
        private Series GetSeriesInfo(Meter meter, int seriesID)
        {
            List <Channel> channels = meter.Channels;

            // Disable lazy loading
            var connectionFactory = meter.ConnectionFactory;

            meter.ConnectionFactory = null;

            // Search for a series that has already been loaded
            Series seriesInfo = channels
                                .Where(channel => (object)channel.Series != null)
                                .SelectMany(channel => channel.Series)
                                .FirstOrDefault(series => series.ID == seriesID);

            // Restore lazy loading
            meter.ConnectionFactory = connectionFactory;

            // If the series was found without
            // lazy loading, return that series
            if ((object)seriesInfo != null)
            {
                return(seriesInfo);
            }

            int channelID;

            using (AdoDataConnection connection = meter.ConnectionFactory())
            {
                // Get the channel ID of the series so we can skip lazy loading series collections for irrelevant channels
                channelID = connection.ExecuteScalar <int>("SELECT ChannelID FROM Series WHERE ID = {0}", seriesID);
            }

            // Now filter to the appropriate channel and search its series collection
            return(channels
                   .Where(channel => channel.ID == channelID)
                   .SelectMany(channel => channel.Series)
                   .FirstOrDefault(series => series.ID == seriesID));
        }
Example #2
0
        // Static Methods
        private static Series GetSeriesInfo(Meter meter, DataGroup dataGroup, string measurementTypeName, string phaseName)
        {
            int    lineID = dataGroup.Line.ID;
            string measurementCharacteristicName = "Instantaneous";
            string seriesTypeName = "Values";

            char   typeDesignation  = (measurementTypeName == "Current") ? 'I' : measurementTypeName[0];
            string phaseDesignation = (phaseName == "RES") ? "R" : phaseName.TrimEnd('N');
            string channelName      = string.Concat(typeDesignation, phaseDesignation);

            ChannelKey channelKey = new ChannelKey(lineID, 0, channelName, measurementTypeName, measurementCharacteristicName, phaseName);
            SeriesKey  seriesKey  = new SeriesKey(channelKey, seriesTypeName);

            Series dbSeries = meter.Channels
                              .SelectMany(channel => channel.Series)
                              .FirstOrDefault(series => seriesKey.Equals(new SeriesKey(series)));

            if ((object)dbSeries == null)
            {
                using (AdoDataConnection connection = meter.ConnectionFactory())
                {
                    Channel dbChannel = meter.Channels
                                        .FirstOrDefault(channel => channelKey.Equals(new ChannelKey(channel)));

                    if ((object)dbChannel == null)
                    {
                        TableOperations <Channel>                   channelTable                   = new TableOperations <Channel>(connection);
                        TableOperations <MeasurementType>           measurementTypeTable           = new TableOperations <MeasurementType>(connection);
                        TableOperations <MeasurementCharacteristic> measurementCharacteristicTable = new TableOperations <MeasurementCharacteristic>(connection);
                        TableOperations <Phase> phaseTable = new TableOperations <Phase>(connection);

                        MeasurementType           measurementType           = measurementTypeTable.GetOrAdd(measurementTypeName);
                        MeasurementCharacteristic measurementCharacteristic = measurementCharacteristicTable.GetOrAdd(measurementCharacteristicName);
                        Phase phase = phaseTable.GetOrAdd(phaseName);

                        dbChannel = new Channel()
                        {
                            MeterID                     = meter.ID,
                            LineID                      = lineID,
                            MeasurementTypeID           = measurementType.ID,
                            MeasurementCharacteristicID = measurementCharacteristic.ID,
                            PhaseID                     = phase.ID,
                            Name           = channelKey.Name,
                            SamplesPerHour = dataGroup.SamplesPerHour,
                            Description    = string.Concat(measurementCharacteristicName, " ", measurementTypeName, " ", phaseName),
                            Enabled        = true
                        };

                        channelTable.AddNewRecord(dbChannel);
                        dbChannel.ID   = connection.ExecuteScalar <int>("SELECT @@IDENTITY");
                        meter.Channels = null;
                    }

                    TableOperations <Series>     seriesTable     = new TableOperations <Series>(connection);
                    TableOperations <SeriesType> seriesTypeTable = new TableOperations <SeriesType>(connection);
                    SeriesType seriesType = seriesTypeTable.GetOrAdd(seriesTypeName);

                    dbSeries = new Series()
                    {
                        ChannelID     = dbChannel.ID,
                        SeriesTypeID  = seriesType.ID,
                        SourceIndexes = string.Empty
                    };

                    seriesTable.AddNewRecord(dbSeries);
                    dbSeries.ID      = connection.ExecuteScalar <int>("SELECT @@IDENTITY");
                    dbChannel.Series = null;

                    dbSeries = meter.Channels
                               .SelectMany(channel => channel.Series)
                               .First(series => seriesKey.Equals(new SeriesKey(series)));
                }
            }

            return(dbSeries);
        }
Example #3
0
        private Series GetSeriesInfo(Meter meter, ChannelKey channelKey, SeriesKey seriesKey)
        {
            Series dbSeries = meter.Channels
                              .SelectMany(channel => channel.Series)
                              .FirstOrDefault(series => seriesKey.Equals(new SeriesKey(series)));

            if ((object)dbSeries == null)
            {
                using (AdoDataConnection connection = meter.ConnectionFactory())
                {
                    Channel dbChannel = meter.Channels
                                        .FirstOrDefault(channel => channelKey.Equals(new ChannelKey(channel)));

                    if ((object)dbChannel == null)
                    {
                        TableOperations <Channel>                   channelTable                   = new TableOperations <Channel>(connection);
                        TableOperations <MeasurementType>           measurementTypeTable           = new TableOperations <MeasurementType>(connection);
                        TableOperations <MeasurementCharacteristic> measurementCharacteristicTable = new TableOperations <MeasurementCharacteristic>(connection);
                        TableOperations <Phase> phaseTable = new TableOperations <Phase>(connection);

                        MeasurementType           measurementType           = measurementTypeTable.GetOrAdd(channelKey.MeasurementType);
                        MeasurementCharacteristic measurementCharacteristic = measurementCharacteristicTable.GetOrAdd(channelKey.MeasurementCharacteristic);
                        Phase phase = phaseTable.GetOrAdd(channelKey.Phase);

                        dbChannel = new Channel()
                        {
                            MeterID                     = meter.ID,
                            LineID                      = channelKey.LineID,
                            MeasurementTypeID           = measurementType.ID,
                            MeasurementCharacteristicID = measurementCharacteristic.ID,
                            PhaseID                     = phase.ID,
                            Name           = channelKey.Name,
                            SamplesPerHour = 0,
                            Description    = string.Concat(channelKey.MeasurementCharacteristic, " ", channelKey.MeasurementType, " ", channelKey.Phase),
                            Enabled        = true
                        };

                        channelTable.AddNewRecord(dbChannel);
                        dbChannel.ID   = connection.ExecuteScalar <int>("SELECT @@IDENTITY");
                        meter.Channels = null;
                    }
                    TableOperations <Series>     seriesTable     = new TableOperations <Series>(connection);
                    TableOperations <SeriesType> seriesTypeTable = new TableOperations <SeriesType>(connection);
                    SeriesType seriesType = seriesTypeTable.GetOrAdd(seriesKey.SeriesType);

                    dbSeries = new Series()
                    {
                        ChannelID     = dbChannel.ID,
                        SeriesTypeID  = seriesType.ID,
                        SourceIndexes = string.Empty
                    };

                    seriesTable.AddNewRecord(dbSeries);
                    dbSeries.ID      = connection.ExecuteScalar <int>("SELECT @@IDENTITY");
                    dbChannel.Series = null;

                    dbSeries = meter.Channels
                               .SelectMany(channel => channel.Series)
                               .First(series => seriesKey.Equals(new SeriesKey(series)));
                }
            }

            return(dbSeries);
        }