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public ConvertListToBlobWithChecksum ( TSDateCalculator timeStepUnit, short timeStepQuantity, int timeStepCount, System.DateTime blobStartDate, System.DateTime blobEndDate, List |
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| timeStepUnit | TSDateCalculator | TSDateCalculator.TimeStepUnitCode value for /// Minute, Hour, Day, Week, Month, Year, or Irregular |
| timeStepQuantity | short | The number of the given unit that defines the time step. /// For instance, if the time step is 6 hours long, then this value is 6. |
| timeStepCount | int | The number of time steps stored in the BLOB |
| blobStartDate | System.DateTime | Date of the first time step in the BLOB |
| blobEndDate | System.DateTime | Date of the last time step in the BLOB |
| dateValueList | List |
A List of TimeSeriesValue objects that will be converted to a BLOB |
| traceObject | ITimeSeriesTrace | an object which contains the a TraceNumber property that is used to /// compute the checksum. The computed BLOB and checksum are both saved to the appropriate properties /// of this object. |
| compressionCode | int | a generation number that indicates what compression technique to use |
| return | byte[] | |
public List<ITimeSeriesTrace> Get3TracesRegular(
TSDateCalculator.TimeStepUnitCode u1, short q1, int c1,
DateTime sDate1, out DateTime eDate1,
Boolean shouldPerturb = false,
int perturbTraceIndex = 0, int perturbStep = 0,
double perturbVal = 0, double perturbMinutes = 0)
{
eDate1 = DateTime.Now; // dummy
TSLibrary tsLib = new TSLibrary();
List<ITimeSeriesTrace> traceList = new List<ITimeSeriesTrace>();
int compressionCode;
for (int t = 0; t < 3; t++)
{
TSTrace trace1 = new TSTrace { TraceNumber = t + 1 };
List<TimeSeriesValue> tsValues = new List<TimeSeriesValue>();
DateTime curDate = sDate1;
Double curVal = 20;
for (int i = 0; i < c1; i++)
{
tsValues.Add(new TimeSeriesValue { Date = curDate, Value = curVal });
curDate = tsLib.IncrementDate(curDate, u1, q1, 1);
curVal = curVal + i / (t + 1);
}
// make a perturbation if called for
if (shouldPerturb && t==perturbTraceIndex)
{
tsValues[perturbStep].Value += perturbVal;
tsValues[perturbStep].Date = tsValues[perturbStep].Date.AddMinutes(perturbMinutes);
}
eDate1 = tsValues.Last().Date;
tsLib.ConvertListToBlobWithChecksum(
u1, q1, c1,
sDate1, eDate1, tsValues, trace1, out compressionCode);
traceList.Add(trace1);
}
return traceList;
}
public void ConvertListToBlobWithChecksum_Err4()
{
TSLibrary tsLib = new TSLibrary();
TSTrace traceObject = new TSTrace { TraceNumber = 1 };
int compressionCode;
try
{
byte[] blobData = tsLib.ConvertListToBlobWithChecksum(
TSDateCalculator.TimeStepUnitCode.Irregular, 0,
IrregList1.Count, IrregList1.First().Date, IrregList1.Last().Date.AddDays(2),
IrregList1, traceObject, out compressionCode);
Assert.Fail("Should have thrown exception");
}
catch (TSLibraryException e)
{
Assert.AreEqual(ErrCode.Enum.Checksum_Improper_EndDate, e.ErrCode);
}
}
public void ConvertListToBlobWithChecksum_Err0()
{
TSLibrary tsLib = new TSLibrary();
TSTrace traceObject = new TSTrace { TraceNumber = 1 };
int compressionCode;
try
{
byte[] blobData = tsLib.ConvertListToBlobWithChecksum(
TSDateCalculator.TimeStepUnitCode.Irregular, 0,
IrregList1.Count, IrregList1.First().Date, IrregList1.Last().Date,
IrregList1, traceObject, out compressionCode);
Assert.IsTrue(true);
}
catch (TSLibraryException)
{
Assert.Fail("Should not throw any exceptions");
}
}
// the maximum number of time steps to put into the series
// The series of tests below is for ConvertBlobToListLimited and ConvertListToBlob.
// The tests take advantage of the fact that the methods are designed so that
// the series that is put into the BLOB must be identical to the series that
// comes out of the BLOB.
// This method is re-used by the actual test methods that follow.
public void ConvertBlobLimited(List<TimeSeriesValue> inList,
TSDateCalculator.TimeStepUnitCode timeStepUnit, short timeStepQuantity,
DateTime blobStartDate,
int nCutStart, // the number of time steps that the test will truncate from the start of the series
int nCutEnd, // the number of time steps that the test will truncate from the end of the series
int nMax)
{
TSLibrary tsLib = new TSLibrary();
List<TimeSeriesValue> outList = new List<TimeSeriesValue>();
int compressionCode;
byte[] blobData = tsLib.ConvertListToBlobWithChecksum(timeStepUnit, timeStepQuantity,
inList.Count, inList.First().Date, inList.Last().Date, inList,
new TSTrace { TraceNumber = 1 }, out compressionCode);
int ret = tsLib.ConvertBlobToListLimited(timeStepUnit, timeStepQuantity,
inList.Count, blobStartDate,
nMax, inList[nCutStart].Date, inList[inList.Count - nCutEnd - 1].Date,
blobData, ref outList, compressionCode);
// The return value of the function must match the number of items in the original list
Assert.AreEqual(ret, Math.Min(nMax, inList.Count - nCutStart - nCutEnd));
// the count in both lists must match
Assert.AreEqual(outList.Count, Math.Min(nMax, inList.Count - nCutStart - nCutEnd));
// now check each item in the two lists
Boolean AreEqual = true;
for (int i = 0; i < ret; i++)
{
if (outList[i].ValueEquals(inList[i + nCutStart]) == false)
AreEqual = false;
}
Assert.IsTrue(AreEqual);
}
// The series of tests below is for ConvertBlobToListAll and ConvertListToBlob.
// The tests take advantage of the fact that the methods are designed so that
// the series that is put into the BLOB must be identical to the series that
// comes out of the BLOB.
// This method is re-used by the actual test methods that follow.
public void ConvertBlobAll(List<TimeSeriesValue> inList,
TSDateCalculator.TimeStepUnitCode timeStepUnit, short timeStepQuantity,
DateTime blobStartDate)
{
TSLibrary tsLib = new TSLibrary();
List<TimeSeriesValue> outList = new List<TimeSeriesValue>();
int compressionCode;
byte[] blobData = tsLib.ConvertListToBlobWithChecksum(timeStepUnit, timeStepQuantity,
inList.Count, inList.First().Date, inList.Last().Date, inList,
new TSTrace { TraceNumber=1 }, out compressionCode);
int ret = tsLib.ConvertBlobToListAll(timeStepUnit, timeStepQuantity,
inList.Count, blobStartDate, blobData, ref outList, compressionCode);
// The return value of the function must match the number of items in the original list
Assert.AreEqual(ret, inList.Count);
// the count in both lists must match
Assert.AreEqual(outList.Count, inList.Count);
// now check each item in the two lists
Boolean AreEqual = true;
for (int i = 0; i < ret; i++)
{
if (outList[i].ValueEquals(inList[i]) == false)
AreEqual = false;
}
Assert.IsTrue(AreEqual);
}
// The series of tests below is for ConvertListToBlobWithChecksum()
//
// This method is reused by the actual test methods that follow
public Boolean ComputeTestChecksums(
TSDateCalculator.TimeStepUnitCode u1, short q1, List<TimeSeriesValue> list1, ITimeSeriesTrace trace1,
TSDateCalculator.TimeStepUnitCode u2, short q2, List<TimeSeriesValue> list2, ITimeSeriesTrace trace2)
{
TSLibrary tsLib = new TSLibrary();
int compressionCode;
tsLib.ConvertListToBlobWithChecksum(
u1, q1, list1.Count,
list1[0].Date, list1[list1.Count - 1].Date, list1, trace1, out compressionCode);
tsLib.ConvertListToBlobWithChecksum(
u2, q2, list2.Count,
list2[0].Date, list2[list2.Count - 1].Date, list2, trace2, out compressionCode);
Assert.IsTrue(trace1.Checksum.Length == 16);
Assert.IsTrue(trace2.Checksum.Length == 16);
for (int i = 0; i < trace2.Checksum.Length; i++)
if (trace1.Checksum[i] != trace2.Checksum[i])
return false;
return true;
}
