/// <summary>
/// Publish <see cref="IFrame"/> of time-aligned collection of <see cref="IMeasurement"/> values that arrived within the
/// concentrator's defined <see cref="ConcentratorBase.LagTime"/>.
/// </summary>
/// <param name="frame"><see cref="IFrame"/> of measurements with the same timestamp that arrived within <see cref="ConcentratorBase.LagTime"/> that are ready for processing.</param>
/// <param name="index">Index of <see cref="IFrame"/> within a second ranging from zero to <c><see cref="ConcentratorBase.FramesPerSecond"/> - 1</c>.</param>
/// <remarks>
/// If user implemented publication function consistently exceeds available publishing time (i.e., <c>1 / <see cref="ConcentratorBase.FramesPerSecond"/></c> seconds),
/// concentration will fall behind. A small amount of this time is required by the <see cref="ConcentratorBase"/> for processing overhead, so actual total time
/// available for user function process will always be slightly less than <c>1 / <see cref="ConcentratorBase.FramesPerSecond"/></c> seconds.
/// </remarks>
protected override void PublishFrame(TimeSeriesFramework.IFrame frame, int index)
{
IMeasurement measurement = null;
foreach (MeasurementKey key in frame.Measurements.Keys)
{
measurement = frame.Measurements[key];
if (measurement.AdjustedValue < m_lowRange || measurement.AdjustedValue > m_highRange)
{
AddOutOfRangeMeasurement(key, measurement);
}
}
}
/// <summary>
/// Publish <see cref="IFrame"/> of time-aligned collection of <see cref="IMeasurement"/> values that arrived within the
/// concentrator's defined <see cref="ConcentratorBase.LagTime"/>.
/// </summary>
/// <param name="frame"><see cref="IFrame"/> of measurements with the same timestamp that arrived within <see cref="ConcentratorBase.LagTime"/> that are ready for processing.</param>
/// <param name="index">Index of <see cref="IFrame"/> within a second ranging from zero to <c><see cref="ConcentratorBase.FramesPerSecond"/> - 1</c>.</param>
protected override void PublishFrame(TimeSeriesFramework.IFrame frame, int index)
{
ConcurrentDictionary<MeasurementKey, IMeasurement> measurements;
IMeasurement measurement;
string name;
measurements = frame.Measurements;
m_expressionContext.Variables.Clear();
// Set the values of variables in the expression
foreach (MeasurementKey key in m_keyMapping.Keys)
{
name = m_keyMapping[key];
if (measurements.TryGetValue(key, out measurement))
m_expressionContext.Variables[name] = measurement.AdjustedValue;
else
m_expressionContext.Variables[name] = double.NaN;
}
// Compile the expression if it has not been compiled already
if ((object)m_expression == null)
m_expression = m_expressionContext.CompileDynamic(m_aliasedExpressionText);
// Evaluate the expression and generate the measurement
GenerateCalculatedMeasurement(m_expression.Evaluate() as IConvertible);
}
