private ComputedResultSetFitLine CreateLinearDataSet(List <DeviceValue> dataPoints, int numberOfLastMeasurements)
{
var lastDataPoints = dataPoints.OrderBy(x => x.DateTimeOfMeasurment).Take(numberOfLastMeasurements).ToList();
var fitLineHandler = new FitLineHandler();
return(fitLineHandler.ComputeLinearData(lastDataPoints));
}
public bool TriggerTrue(List <DeviceValue> dataPoints, AscDescEnum ascDesc, double?threshold = null, TimeSpan?timeToReachThreshold = null)
{
if (dataPoints != null && dataPoints.Count > 1)
{
_logging.LogDebug($"Wait for lock in DataCurveComputation for device:{dataPoints.First().DeviceId}");
//Do computations to find if we have ascending or descending curve. Start by locking the methode to avoid multiple results
lock (_lock)
{
_logging.LogDebug($"computing the curve for device:{dataPoints.First().DeviceId}");
var fitLineHandler = new FitLineHandler();
var resultSetComputedLinearData = fitLineHandler.ComputeLinearData(dataPoints);
var culture = CultureInfo.CreateSpecificCulture("en-US");
_logging.LogDebug($"result of computing IsDescending: {resultSetComputedLinearData.IsDescending.ToString()} IsAscending:{resultSetComputedLinearData.IsAscending.ToString()} Slope:{resultSetComputedLinearData.Slope.ToString("#.###", culture)}");
var resultsetLastValues = ComputeLastValues(dataPoints, ascDesc);
if (threshold.HasValue && timeToReachThreshold.HasValue)
{
//Hente ut siste verdi
var resultSetComputedFutureLine = ComputeFutureValues(dataPoints, ascDesc, resultSetComputedLinearData, threshold.Value, timeToReachThreshold.Value);
_logging.LogDebug($"ascDec Descending{ascDesc == AscDescEnum.Descending} resultSetComputedFutureLine.TriggerTrue: {resultSetComputedFutureLine.TriggerTrue} resultSetComputedLinearData.IsDescending: {resultSetComputedLinearData.IsDescending } resultSetComputedLinearData.IsAscending: {resultSetComputedLinearData.IsAscending } resultsetLastValues.LastSlope: {resultsetLastValues.LastSlope} resultsetLastValues.LastValueHighest: {resultsetLastValues.LastValueHighest } resultsetLastValues.LastValueLowest: {resultsetLastValues.LastValueLowest} ");
if (ascDesc == AscDescEnum.Ascending && resultSetComputedFutureLine.TriggerTrue && resultSetComputedLinearData.IsAscending && resultsetLastValues.LastSlope > 0 && resultsetLastValues.LastValueHighest)
{
return(true);
}
if (ascDesc == AscDescEnum.Descending && resultSetComputedFutureLine.TriggerTrue && resultSetComputedLinearData.IsDescending && resultsetLastValues.LastSlope < 0 && resultsetLastValues.LastValueLowest)
{
return(true);
}
}
else
{
//Only test curves
_logging.LogDebug($"ascDec Descending{ascDesc == AscDescEnum.Descending} resultSetComputedLinearData.IsDescending: {resultSetComputedLinearData.IsDescending } resultSetComputedLinearData.IsAscending: {resultSetComputedLinearData.IsAscending } resultsetLastValues.LastSlope: {resultsetLastValues.LastSlope} resultsetLastValues.LastValueHighest: {resultsetLastValues.LastValueHighest } resultsetLastValues.LastValueLowest: {resultsetLastValues.LastValueLowest} ");
if (ascDesc == AscDescEnum.Ascending && resultSetComputedLinearData.IsAscending && resultsetLastValues.LastSlope > 0 && resultsetLastValues.LastValueHighest)
{
return(true);
}
if (ascDesc == AscDescEnum.Descending && resultSetComputedLinearData.IsDescending && resultsetLastValues.LastSlope < 0 && resultsetLastValues.LastValueLowest)
{
return(true);
}
}
}
}
return(false);
}