/// <summary>
/// Creates a new local system cache from one that was received remotely.
/// </summary>
/// <param name="dataSource"><see cref="DataSet"/> based data source used to interpret local measurement keys.</param>
/// <param name="remoteCache">Deserialized remote signal index cache.</param>
public SignalIndexCache(DataSet dataSource, SignalIndexCache remoteCache)
{
m_subscriberID = remoteCache.SubscriberID;
// If active measurements are defined, interpret signal cache in context of current measurement key definitions
if (dataSource != null && dataSource.Tables != null && dataSource.Tables.Contains("ActiveMeasurements"))
{
DataTable activeMeasurements = dataSource.Tables["ActiveMeasurements"];
m_reference = new ConcurrentDictionary <ushort, Tuple <Guid, string, uint> >();
foreach (KeyValuePair <ushort, Tuple <Guid, string, uint> > signalIndex in remoteCache.Reference)
{
Guid signalID = signalIndex.Value.Item1;
DataRow[] filteredRows = activeMeasurements.Select("SignalID = '" + signalID.ToString() + "'");
if (filteredRows.Length > 0)
{
DataRow row = filteredRows[0];
MeasurementKey key = MeasurementKey.Parse(row["ID"].ToNonNullString(MeasurementKey.Undefined.ToString()), signalID);
m_reference.TryAdd(signalIndex.Key, new Tuple <Guid, string, uint>(signalID, key.Source, key.ID));
}
}
m_unauthorizedSignalIDs = remoteCache.UnauthorizedSignalIDs;
}
else
{
// Just use remote signal index cache as-is if no local configuration exists
m_reference = remoteCache.Reference;
m_unauthorizedSignalIDs = remoteCache.UnauthorizedSignalIDs;
}
}
// Gets a measurement key based on a token which
// may be either a signal ID or measurement key.
private MeasurementKey GetKey(string token)
{
Guid signalID;
return(Guid.TryParse(token, out signalID)
? MeasurementKey.LookUpBySignalID(signalID)
: MeasurementKey.Parse(token));
}
// Gets a measurement key based on a token which
// may be either a signal ID or measurement key.
private MeasurementKey GetKey(string token)
{
Guid signalID;
MeasurementKey key;
if (Guid.TryParse(token, out signalID))
{
// Defined using the measurement's GUID
key = MeasurementKey.LookUpBySignalID(signalID);
}
else
{
// Defined using the measurement's key
key = MeasurementKey.Parse(token);
}
return(key);
}
/// <summary>
/// Initializes <see cref="FileExporter"/>.
/// </summary>
public override void Initialize()
{
base.Initialize();
Dictionary <string, string> settings = Settings;
const string errorMessage = "{0} is missing from Settings - Example: exportInterval=5; useReferenceAngle=True; referenceAngleMeasurement=DEVARCHIVE:6; companyTagPrefix=TVA; useNumericQuality=True; inputMeasurementKeys={{FILTER ActiveMeasurements WHERE Device='SHELBY' AND SignalType='FREQ'}}";
string setting;
double seconds;
// Load required parameters
if (!settings.TryGetValue("exportInterval", out setting) || !double.TryParse(setting, out seconds))
{
throw new ArgumentException(string.Format(errorMessage, "exportInterval"));
}
m_exportInterval = (int)(seconds * 1000.0D);
m_lastPublicationTime = 0;
if (m_exportInterval <= 0)
{
throw new ArgumentException("exportInterval should not be 0 - Example: exportInterval=5.5");
}
if (InputMeasurementKeys == null || InputMeasurementKeys.Length == 0)
{
throw new InvalidOperationException("There are no input measurements defined. You must define \"inputMeasurementKeys\" to define which measurements to export.");
}
if (!settings.TryGetValue("useReferenceAngle", out setting))
{
throw new ArgumentException(string.Format(errorMessage, "useReferenceAngle"));
}
m_useReferenceAngle = setting.ParseBoolean();
if (m_useReferenceAngle)
{
// Reference angle measurement has to be defined if using reference angle
if (!settings.TryGetValue("referenceAngleMeasurement", out setting))
{
throw new ArgumentException(string.Format(errorMessage, "referenceAngleMeasurement"));
}
m_referenceAngleKey = MeasurementKey.Parse(setting);
// Make sure reference angle is part of input measurement keys collection
if (!InputMeasurementKeys.Contains(m_referenceAngleKey))
{
InputMeasurementKeys = InputMeasurementKeys.Concat(new[] { m_referenceAngleKey }).ToArray();
}
// Make sure sure reference angle key is actually an angle measurement
SignalType signalType = InputMeasurementKeyTypes[InputMeasurementKeys.IndexOf(key => key == m_referenceAngleKey)];
if (signalType != SignalType.IPHA && signalType != SignalType.VPHA)
{
throw new InvalidOperationException(string.Format("Specified reference angle measurement key is a {0} signal, not a phase angle.", signalType.GetFormattedName()));
}
}
// Load optional parameters
if (settings.TryGetValue("companyTagPrefix", out setting))
{
m_companyTagPrefix = setting.ToUpper().Trim();
}
else
{
m_companyTagPrefix = null;
}
if (settings.TryGetValue("useNumericQuality", out setting))
{
m_useNumericQuality = setting.ParseBoolean();
}
else
{
m_useNumericQuality = false;
}
// Suffix company tag prefix with an underscore if defined
if (!string.IsNullOrWhiteSpace(m_companyTagPrefix))
{
m_companyTagPrefix = m_companyTagPrefix.EnsureEnd('_');
}
// Define a default export location - user can override and add multiple locations in config later...
m_dataExporter = new MultipleDestinationExporter(ConfigurationSection, m_exportInterval);
m_dataExporter.StatusMessage += m_dataExporter_StatusMessage;
m_dataExporter.ProcessException += m_dataExporter_ProcessException;
m_dataExporter.Initialize(new[] { new ExportDestination(FilePath.GetAbsolutePath(ConfigurationSection + ".txt"), false) });
// Create new measurement tag name dictionary
m_measurementTags = new ConcurrentDictionary <MeasurementKey, string>();
string pointID = "undefined";
// Lookup point tag name for input measurement in the ActiveMeasurements table
foreach (MeasurementKey key in InputMeasurementKeys)
{
try
{
// Get measurement key as a string
pointID = key.ToString();
// Lookup measurement key in active measurements table
DataRow row = DataSource.Tables["ActiveMeasurements"].Select(string.Format("ID='{0}'", pointID))[0];
// Remove invalid symbols that may be in tag name
string pointTag = row["PointTag"].ToNonNullString(pointID).Replace('-', '_').Replace(':', '_').ToUpper();
// Prefix point tag with company prefix if defined
if (!string.IsNullOrWhiteSpace(m_companyTagPrefix) && !pointTag.StartsWith(m_companyTagPrefix))
{
pointTag = m_companyTagPrefix + pointTag;
}
m_measurementTags.TryAdd(key, pointTag);
}
catch (ThreadAbortException)
{
throw;
}
catch (Exception ex)
{
OnProcessException(new InvalidOperationException(string.Format("Failed to lookup point tag for measurement [{0}] due to exception: {1}", pointID, ex.Message)));
}
}
// We enable tracking of latest measurements so we can use these values if points are missing - since we are using
// latest measurement tracking, we sort all incoming points even though most of them will be thrown out...
TrackLatestMeasurements = true;
}
/// <summary>
/// Initializes <see cref="FileExporter"/>.
/// </summary>
public override void Initialize()
{
base.Initialize();
Dictionary <string, string> settings = Settings;
const string errorMessage = "{0} is missing from Settings - Example: exportInterval=5; modelIdentifier=Goslin; referenceAngleMeasurement=DEVARCHIVE:6; inputMeasurementKeys={{FILTER ActiveMeasurements WHERE Device='SHELBY' AND SignalType='FREQ'}}";
string setting;
double seconds;
// Load required parameters
if (!settings.TryGetValue("exportInterval", out setting) || !double.TryParse(setting, out seconds))
{
throw new ArgumentException(string.Format(errorMessage, "exportInterval"));
}
if (!settings.TryGetValue("fileExportPath", out m_fileExportPath))
{
m_fileExportPath = FilePath.GetAbsolutePath("");
}
m_exportInterval = (int)(seconds * 1000.0D);
if (m_exportInterval <= 0)
{
throw new ArgumentException("exportInterval should not be 0 - Example: exportInterval=5.5");
}
if ((object)InputMeasurementKeys == null || InputMeasurementKeys.Length == 0)
{
throw new InvalidOperationException("There are no input measurements defined. You must define \"inputMeasurementKeys\" to define which measurements to export.");
}
// Reference angle measurement has to be defined if using reference angle
if (!settings.TryGetValue("referenceAngleMeasurement", out setting))
{
throw new ArgumentException(string.Format(errorMessage, "referenceAngleMeasurement"));
}
m_referenceAngleKey = MeasurementKey.Parse(setting);
// Make sure reference angle is first angle of input measurement keys collection
InputMeasurementKeys = (new[] { m_referenceAngleKey }).Concat(InputMeasurementKeys).ToArray();
// Make sure sure reference angle key is actually an angle measurement
SignalType signalType = InputMeasurementKeyTypes[InputMeasurementKeys.IndexOf(key => key == m_referenceAngleKey)];
if (signalType != SignalType.IPHA && signalType != SignalType.VPHA)
{
throw new InvalidOperationException(string.Format("Specified reference angle measurement key is a {0} signal, not a phase angle.", signalType.GetFormattedName()));
}
Comments = settings.TryGetValue("comments", out setting) ? setting : "Comment section---";
if (!settings.TryGetValue("modelIdentifier", out setting))
{
throw new ArgumentException(string.Format(errorMessage, "modelIdentifier"));
}
ModelIdentifier = setting;
// We enable tracking of latest measurements so we can use these values if points are missing - since we are using
// latest measurement tracking, we sort all incoming points even though most of them will be thrown out...
TrackLatestMeasurements = true;
//// Create a new dictionary of base voltages
//m_baseVoltages = new Dictionary<MeasurementKey, double>();
StringBuilder header = new StringBuilder();
//MeasurementKey voltageMagnitudeKey;
//double baseKV;
// Write header row
header.Append("TimeStamp");
DataTable measurements = DataSource.Tables["ActiveMeasurements"];
int tieLines = 0;
bool referenceAdded = false;
for (int i = 0; i < InputMeasurementKeys.Length; i++)
{
// Lookup measurement key in active measurements table
DataRow row = measurements.Select(string.Format("ID='{0}'", InputMeasurementKeys[i]))[0];
string deviceName = row["Device"].ToNonNullString("UNDEFINED").ToUpper().Trim();
if (!referenceAdded && InputMeasurementKeys[i] == m_referenceAngleKey)
{
header.AppendFormat(",Ref. Angle of {0}", deviceName);
referenceAdded = true;
}
else
{
switch (InputMeasurementKeyTypes[i])
{
case SignalType.VPHM:
header.AppendFormat(",{0} |V|", deviceName);
tieLines++;
//voltageMagnitudeKey = InputMeasurementKeys[i];
//if (settings.TryGetValue(voltageMagnitudeKey + "BaseKV", out setting) && double.TryParse(setting, out baseKV))
//{
// m_baseVoltages.Add(voltageMagnitudeKey, baseKV * SI.Kilo);
//}
//else
//{
// int baseKVCode;
// // Second check if base KV can be inferred from device name suffixed KV index
// if (int.TryParse(deviceName[deviceName.Length - 1].ToString(), out baseKVCode) && baseKVCode > 1 && baseKVCode < BaseKVs.Length)
// {
// m_baseVoltages.Add(voltageMagnitudeKey, BaseKVs[baseKVCode]);
// }
// else
// {
// OnStatusMessage("WARNING: Did not find a valid base KV setting for voltage magnitude {0}, assumed 500KV", voltageMagnitudeKey.ToString());
// m_baseVoltages.Add(voltageMagnitudeKey, 500.0D * SI.Kilo);
// }
//}
break;
case SignalType.VPHA:
header.AppendFormat(",{0} Voltage Angle", deviceName);
break;
case SignalType.IPHM:
header.AppendFormat(",{0} |I|", deviceName);
break;
case SignalType.IPHA:
header.AppendFormat(",{0} Current Angle", deviceName);
break;
default:
header.AppendFormat(",{0} ??", deviceName);
break;
}
}
}
string row5 = header.ToString();
header = new StringBuilder();
// Add row 1
header.AppendFormat("Comments: {0}\r\n", Comments);
// Add row 2
header.AppendFormat("Model Identifier: {0}\r\n", ModelIdentifier);
// Add row 3
header.Append("Datapoints,Tielines,TimeStep");
if (InputMeasurementKeys.Length - 3 > 0)
{
header.Append(new string(',', InputMeasurementKeys.Length - 3));
}
header.AppendLine();
// Add row 4
header.AppendFormat("{0},{1},{2}", RowCountMarker, tieLines, 1.0D / FramesPerSecond);
header.AppendLine();
// Add row 5
header.AppendLine(row5);
// Cache header for each file export
m_header = header.ToString();
}
// Attempt to read the next record
private bool ReadNextRecord(long currentTime)
{
try
{
List <IMeasurement> newMeasurements = new List <IMeasurement>();
long fileTime = 0;
int timestampColumn = 0;
string[] fields = m_inStream.ReadLine().ToNonNullString().Split(',');
if (m_inStream.EndOfStream || fields.Length < m_columns.Count)
{
return(false);
}
// Read time from Timestamp column in transverse mode
if (m_transverse)
{
if (m_simulateTimestamp)
{
fileTime = currentTime;
}
else
{
timestampColumn = m_columnMappings.First(kvp => string.Compare(kvp.Value.TagName, "Timestamp", StringComparison.OrdinalIgnoreCase) == 0).Key;
fileTime = long.Parse(fields[timestampColumn]);
}
}
for (int i = 0; i < m_measurementsPerInterval; i++)
{
IMeasurement measurement;
if (m_transverse)
{
// No measurement will be defined for timestamp column
if (i == timestampColumn)
{
continue;
}
if (m_columnMappings.TryGetValue(i, out measurement))
{
measurement = Measurement.Clone(measurement);
measurement.Value = double.Parse(fields[i]);
}
else
{
measurement = new Measurement();
measurement.Metadata = MeasurementKey.Undefined.Metadata;
measurement.Value = double.NaN;
}
if (m_simulateTimestamp)
{
measurement.Timestamp = currentTime;
}
else if (m_columns.ContainsKey("Timestamp"))
{
measurement.Timestamp = fileTime;
}
}
else
{
measurement = new Measurement();
if (m_columns.ContainsKey("Signal ID"))
{
Guid measurementID = new Guid(fields[m_columns["Signal ID"]]);
if (m_columns.ContainsKey("Measurement Key"))
{
measurement.Metadata = MeasurementKey.LookUpOrCreate(measurementID, fields[m_columns["Measurement Key"]]).Metadata;
}
else
{
measurement.Metadata = MeasurementKey.LookUpBySignalID(measurementID).Metadata;
}
}
else if (m_columns.ContainsKey("Measurement Key"))
{
measurement.Metadata = MeasurementKey.Parse(fields[m_columns["Measurement Key"]]).Metadata;
}
if (m_simulateTimestamp)
{
measurement.Timestamp = currentTime;
}
else if (m_columns.ContainsKey("Timestamp"))
{
measurement.Timestamp = long.Parse(fields[m_columns["Timestamp"]]);
}
if (m_columns.ContainsKey("Value"))
{
measurement.Value = double.Parse(fields[m_columns["Value"]]);
}
}
newMeasurements.Add(measurement);
}
OnNewMeasurements(newMeasurements);
}
catch (Exception ex)
{
OnProcessException(MessageLevel.Warning, ex);
}
return(true);
}