/// <summary>
/// This method copies the parameters of a time series from a TSParameters object
/// into this TSImport object.
/// </summary>
/// <param name="tsp">The TSParameters object that values will be copied from</param>
public void RecordFromTSParameters(TSParameters tsp)
{
TimeStepUnit = tsp.TimeStepUnit;
TimeStepQuantity = tsp.TimeStepQuantity;
BlobStartDate = tsp.BlobStartDate;
CompressionCode = tsp.CompressionCode;
}
void ChecksumTimer()
{
int i;
var ts = new TSParameters
{
BlobStartDate = DateTime.Parse("1/1/2000"),
CompressionCode = TSBlobCoder.currentCompressionCode,
TimeStepQuantity = 2,
TimeStepUnit = TSDateCalculator.TimeStepUnitCode.Day
};
var traces = new List<ITimeSeriesTrace>();
for (int traceIndex = 0; traceIndex < 80; traceIndex++)
{
var iterList = new List<double>();
for (int stepIndex = 0; stepIndex < nVals; stepIndex++)
{
iterList.Add(1.5 * stepIndex + 0.3373);
}
var trace = new TSTrace { TraceNumber = traceIndex + 1 };
trace.ValueBlob = TSBlobCoder.ConvertArrayToBlobRegular(iterList.ToArray(),
TSBlobCoder.currentCompressionCode, trace);
//trace.Checksum = new Guid().ToByteArray();
traces.Add(trace);
}
// Start the timer
DateTime timerStart = DateTime.Now;
// Create dummy time series that we can write to the database
for (i = 0; i < nIter; i++)
{
foreach(var trace in traces)
{
TSBlobCoder.ComputeTraceChecksum(trace.TraceNumber, trace.ValueBlob);
}
TSBlobCoder.ComputeChecksum(ts, traces);
}
// Stop the timer
DateTime timerEnd = DateTime.Now;
TimeSpan timerDiff = timerEnd - timerStart;
TimeLabelBlob.Content = String.Format("BLOBWRI --- Iterations: {0}; Duration: {1:hh\\:mm\\:ss\\.f}", i, timerDiff);
}
/// <summary>
/// Method computes a Checksum for the timeseries. The input to the hash includes the
/// timeseries' BLOB of values, plus a TSParameters object that contains a short string of
/// numbers that TimeSeriesLibrary is responsible for keeping in accord with the BLOB.
/// </summary>
/// <param name="tsp">TSParameters object that contains the parameters of the time series</param>
/// <param name="traceList">collection of trace objects for the time series</param>
/// <returns>the Checksum as a byte[16] array</returns>
public static byte[] ComputeChecksum(TSParameters tsp, List <ITimeSeriesTrace> traceList)
{
// simply unpack the TSParameters object and call the overload of this method
return(ComputeChecksum(tsp.TimeStepUnit, tsp.TimeStepQuantity, tsp.BlobStartDate, traceList));
}
/// <summary>
/// This method copies the parameters of a time series from a TSParameters object
/// into this TSImport object.
/// </summary>
/// <param name="tsp">The TSParameters object that values will be copied from</param>
public void RecordFromTSParameters(TSParameters tsp)
{
TimeStepUnit = tsp.TimeStepUnit;
TimeStepQuantity = tsp.TimeStepQuantity;
BlobStartDate = tsp.BlobStartDate;
CompressionCode = tsp.CompressionCode;
}