//properties
//methods
/// <summary>
/// Creates a DataTable containing a set of random DateTime values.
/// </summary>
/// <param name="numRows">Num of rows with DateTime values to generate.</param>
/// <param name="dataRequest">RandomDateTimeDataRequest object contains the definition for how to generate the random DateTime values.</param>
/// <returns>ADO.NET DataTable containing the set of random values.</returns>
public DataTable CreateRandomDataTable(int numRows, RandomDateTimeDataRequest dataRequest)
{
DataTable dt = null;
enRandomOffsetType randOffsetType = enRandomOffsetType.enUnknown;
enRandomIncrementType randDateIncrementType = enRandomIncrementType.enUnknown;
enDateConversionType dateConversionType = enDateConversionType.DoNotConvert;
if (dataRequest.ConvertGeneratedValueToInteger)
{
if (dataRequest.ConvertDateTo32BitInteger)
{
dateConversionType = enDateConversionType.ConvertDateTo32bitInt;
}
else if (dataRequest.ConvertTimeTo32BitInteger)
{
dateConversionType = enDateConversionType.ConvertTimeTo32bitInt;
}
else if (dataRequest.ConvertDateTimeTo64BitInteger)
{
dateConversionType = enDateConversionType.ConvertDateTimeTo64bitInt;
}
else
{
dateConversionType = enDateConversionType.DoNotConvert;
}
}
if (dataRequest.RangeOfDates)
{
dt = CreateRangeDataTable(numRows, dataRequest.EarliestDate, dataRequest.LatestDate, dataRequest.SpecifyTimeForEachDay, dataRequest.EarliestTime, dataRequest.LatestTime, dateConversionType);
}
else if (dataRequest.OffsetFromCurrentDate)
{
randOffsetType = GetRandomOffsetType(dataRequest);
dt = CreateOffsetFromCurrentDateDataTable(randOffsetType, numRows, dataRequest.MinimumOffset, dataRequest.MaximumOffset, dataRequest.SpecifyTimeForEachDay, dataRequest.EarliestTime, dataRequest.LatestTime, dateConversionType);
}
else if (dataRequest.OffsetFromDataTableDate)
{
randOffsetType = GetRandomOffsetType(dataRequest);
dt = CreateOffsetFromDataTableDate(randOffsetType, numRows, dataRequest.MinimumOffset, dataRequest.MaximumOffset, dataRequest.SpecifyTimeForEachDay, dataRequest.EarliestTime, dataRequest.LatestTime, dateConversionType);
}
else if (dataRequest.OutputSequentialDates)
{
randDateIncrementType = GetRandomDateIncrementType(dataRequest);
dt = CreateDateSequenceDataTable(randDateIncrementType, numRows, dataRequest.IncrementSize, dataRequest.StartSequentialDate, dataRequest.EndSequentialDate, dataRequest.SpecifyTimeForEachDay, dataRequest.EarliestTime, dataRequest.LatestTime, dataRequest.MinNumDatesPerIncrement, dataRequest.MaxNumDatesPerIncrement, dataRequest.InitStartSequentialDate, dateConversionType);
}
else
{
dt = new DataTable();
}
return(dt);
}
/// <summary>
/// Creates a set of sequential numbers that start from a user specified start number and are incremented by a user specified number. This is a testing routine.
/// </summary>
/// <param name="incrementType">Time slice to increment with (seconds, minutes, hours, days, years).</param>
/// <param name="numRows">Number of random values to generate.</param>
/// <param name="incrementSize">Number to increment by.</param>
/// <param name="startDateForSequence">First date in the sequence.</param>
/// <param name="endDateForSequence">Maximum date in the sequence.</param>
/// <param name="generateRandomTime">If true, a randomized time value will be generated for each sequential date.</param>
/// <param name="fromTime">Minimum time value to generate.</param>
/// <param name="toTime">Maximum time value to generate.</param>
/// <param name="minNumDatesPerIncrement">For each date increment, the minimum number of dates that can be generated with same date into the sequence.</param>
/// <param name="maxNumDatesPerIncrement">For each date increment, the maximum number of dates that can be generated with same date into the sequence.</param>
/// <param name="initStartDateForSequence">If maximum date is passed during sequence generation, the sequence will be restarted with this date and new values will be appended to the existing sequence.</param>
/// <param name="dateConversionType">Determines whether or not to convert the DateTime value to an integer. Useful for data warehousing scenarios.</param>
/// <returns>ADO.NET DataTable containing the set of random values.</returns>
/// <remarks>This routine is used for testing.</remarks>
public DataTable CreateDateSequencePreviewDataTable(enRandomIncrementType incrementType, int numRows, string incrementSize, string startDateForSequence, string endDateForSequence, bool generateRandomTime, string fromTime, string toTime, string minNumDatesPerIncrement, string maxNumDatesPerIncrement, string initStartDateForSequence, enDateConversionType dateConversionType)
{
DataTable dt = new DataTable();
int sizeOfIncrement = 1;
DateTime startDate = DateTime.MinValue;
DateTime endDate = DateTime.MaxValue;
DateTime currDate = DateTime.Now;
DateTime initDate = DateTime.MinValue;
int minIncrementDates = 1;
int maxIncrementDates = 1;
TimeSpan fromTimeTs = Convert.ToDateTime(fromTime).TimeOfDay;
TimeSpan toTimeTs = Convert.ToDateTime(toTime).TimeOfDay;
double fromSeconds = fromTimeTs.TotalSeconds;
double toSeconds = toTimeTs.TotalSeconds;
double randNum = 0.0;
try
{
sizeOfIncrement = AppTextGlobals.ConvertStringToInt(incrementSize, 1);
startDate = AppTextGlobals.ConvertStringToDateTime(startDateForSequence, new DateTime(1000, 1, 1));
endDate = AppTextGlobals.ConvertStringToDateTime(endDateForSequence, new DateTime(5999, 12, 31));
initDate = AppTextGlobals.ConvertStringToDateTime(initStartDateForSequence, new DateTime(1000, 1, 1));
currDate = IncrementDateTime(incrementType, -sizeOfIncrement, startDate, startDate);
minIncrementDates = AppTextGlobals.ConvertStringToInt(minNumDatesPerIncrement, 1);
maxIncrementDates = AppTextGlobals.ConvertStringToInt(maxNumDatesPerIncrement, 1);
DataColumn dc = new DataColumn("RandomValue");
//dc.DataType = Type.GetType("System.DateTime");
switch (dateConversionType)
{
case enDateConversionType.DoNotConvert:
dc.DataType = Type.GetType("System.DateTime");
break;
case enDateConversionType.ConvertDateTo32bitInt:
dc.DataType = Type.GetType("System.Int32");
break;
case enDateConversionType.ConvertTimeTo32bitInt:
dc.DataType = Type.GetType("System.Int32");
break;
case enDateConversionType.ConvertDateTimeTo64bitInt:
dc.DataType = Type.GetType("System.Int64");
break;
default:
dc.DataType = Type.GetType("System.DateTime");
break;
}
dt.Columns.Add(dc);
for (int i = 0; i < numRows; i++)
{
currDate = IncrementDateTime(incrementType, sizeOfIncrement, currDate, startDate);
if (currDate > endDate)
{
currDate = initDate;
}
int numDatesToGenerate = _rn.GenerateRandomInt(minIncrementDates, maxIncrementDates);
DateTime dtm = currDate;
for (int n = 0; n < numDatesToGenerate; n++)
{
DataRow dr = dt.NewRow();
if (generateRandomTime)
{
randNum = _rn.GenerateRandomNumber(fromSeconds, toSeconds);
TimeSpan ts2 = new TimeSpan(0, 0, 0, (int)randNum, 0);
try
{
dtm = currDate.AddSeconds(ts2.TotalSeconds);
}
catch (System.ArgumentOutOfRangeException)
{
dtm = startDate;
currDate = startDate;
}
}
//dr[0] = dtm;
switch (dateConversionType)
{
case enDateConversionType.DoNotConvert:
dr[0] = dtm;
break;
case enDateConversionType.ConvertDateTo32bitInt:
dr[0] = Convert.ToInt32(dtm.ToString("yyyyMMdd"));
break;
case enDateConversionType.ConvertTimeTo32bitInt:
dr[0] = Convert.ToInt32(dtm.ToString("HHmmss"));
break;
case enDateConversionType.ConvertDateTimeTo64bitInt:
dr[0] = Convert.ToInt64(dtm.ToString("yyyyMMddHHmmss"));
break;
default:
dr[0] = dtm;
break;
}
dt.Rows.Add(dr);
}
}
}
catch (System.Exception ex)
{
_msg.Length = 0;
_msg.Append("Error in CreateSequencePreviewDataTable routine.\r\n");
_msg.Append(AppGlobals.AppMessages.FormatErrorMessage(ex));
throw new System.Exception(_msg.ToString());
}
finally
{
;
}
return(dt);
}
/// <summary>
/// Routines for testing date/time offset processing.
/// </summary>
/// <param name="offsetType">enRandomOffsetType enum that determines type of offset to generate (seconds, minutes, hours, days or years).</param>
/// <param name="numRows">Number of random offsets to generate.</param>
/// <param name="minimumOffset">Minimum offset number. </param>
/// <param name="maximumOffset">Maximum offset number.</param>
/// <param name="generateRandomTime">Set to true to generate a time for the random offset.</param>
/// <param name="fromTime">Minium time to generate.</param>
/// <param name="toTime">Maximum time to generate.</param>
/// <param name="dateConversionType">Determines whether or not to convert the DateTime value to an integer. Useful for data warehousing scenarios.</param>
/// <returns>ADO.NET DataTable containing the set of random values. First column contains a date/time that has been offset from the base value stored in the second column (this is a stand-in for the a value that might be found in a database table or an application. </returns>
public DataTable CreateOffsetPreviewDataTable(enRandomOffsetType offsetType, int numRows, string minimumOffset, string maximumOffset, bool generateRandomTime, string fromTime, string toTime, enDateConversionType dateConversionType)
{
DataTable dt = new DataTable();
DateTime currDate = DateTime.Now;
DateTime minDate = DateTime.MinValue;
DateTime maxDate = DateTime.MaxValue;
try
{
DataColumn dc = new DataColumn("RandomValue");
//dc.DataType = Type.GetType("System.DateTime");
switch (dateConversionType)
{
case enDateConversionType.DoNotConvert:
dc.DataType = Type.GetType("System.DateTime");
break;
case enDateConversionType.ConvertDateTo32bitInt:
dc.DataType = Type.GetType("System.Int32");
break;
case enDateConversionType.ConvertTimeTo32bitInt:
dc.DataType = Type.GetType("System.Int32");
break;
case enDateConversionType.ConvertDateTimeTo64bitInt:
dc.DataType = Type.GetType("System.Int64");
break;
default:
dc.DataType = Type.GetType("System.DateTime");
break;
}
dt.Columns.Add(dc);
DataColumn dc2 = new DataColumn("CurrentDate");
dc2.DataType = Type.GetType("System.DateTime");
dt.Columns.Add(dc2);
//DataColumn dc3 = new DataColumn("RandomNum");
//dc3.DataType = Type.GetType("System.Int32");
//dt.Columns.Add(dc3);
//DataColumn dc4 = new DataColumn("MinDays");
//dc4.DataType = Type.GetType("System.Int32");
//dt.Columns.Add(dc4);
//DataColumn dc5 = new DataColumn("MaxDays");
//dc5.DataType = Type.GetType("System.Int32");
//dt.Columns.Add(dc5);
//DataColumn dc6 = new DataColumn("nRowNum");
//dc6.DataType = Type.GetType("System.Int32");
//dt.Columns.Add(dc6);
for (int i = 0; i < numRows; i++)
{
double minOffset = Convert.ToDouble(minimumOffset);
double maxOffset = Convert.ToDouble(maximumOffset);
currDate = _rv.GenerateRandomDate(Convert.ToDateTime("01/01/1900"), Convert.ToDateTime("12/31/2029"));
minDate = DateTime.MinValue;
maxDate = DateTime.MaxValue;
if (offsetType == enRandomOffsetType.enYears)
{
minDate = currDate.AddYears((int)minOffset);
maxDate = currDate.AddYears((int)maxOffset);
}
else if (offsetType == enRandomOffsetType.enMonths)
{
minDate = currDate.AddMonths((int)minOffset);
maxDate = currDate.AddMonths((int)maxOffset);
}
else if (offsetType == enRandomOffsetType.enDays)
{
minDate = currDate.AddDays((int)minOffset);
maxDate = currDate.AddDays((int)maxOffset);
}
else
{
_msg.Length = 0;
_msg.Append("Unable to process offset type passed to CreateOffsetFromDataTableDate routine.");
throw new System.Exception(_msg.ToString());
}
TimeSpan fromTimeTs = generateRandomTime ? Convert.ToDateTime(fromTime).TimeOfDay : Convert.ToDateTime("01/01/2000 00:00:00").TimeOfDay;
TimeSpan toTimeTs = generateRandomTime ? Convert.ToDateTime(toTime).TimeOfDay : Convert.ToDateTime("01/01/2000 23:59:59").TimeOfDay;
double fromSeconds = fromTimeTs.TotalSeconds;
double toSeconds = toTimeTs.TotalSeconds;
DataRow dr = dt.NewRow();
int minDays = (int)minDate.Subtract(DateTime.MinValue).TotalDays;
int maxDays = (int)maxDate.Subtract(DateTime.MinValue).TotalDays;
int randNum = _rn.GenerateRandomInt(minDays, maxDays);
randNum = _rn.GenerateRandomInt(minDays, maxDays); //Second random number is a workaround that fixes problem of random numbers
//sequencing from low to high based on earliest to latest dates.
//(Jan. 2015: Do not know what is causing sequencing to occur.)
//(Guess: might be related to GenerateRandomDate above.)
//int randNum = _rn.GenerateRandomInt(689948, 697252); //test
int saveRandNum = randNum;
TimeSpan ts = new TimeSpan(randNum, 0, 0, 0, 0);
DateTime dtm = DateTime.MinValue.Add(ts);
if (generateRandomTime)
{
randNum = _rn.GenerateRandomInt((int)fromSeconds, (int)toSeconds);
TimeSpan ts2 = new TimeSpan(0, 0, 0, randNum, 0);
dtm = dtm.AddSeconds(ts2.TotalSeconds);
}
//dr[0] = dtm;
switch (dateConversionType)
{
case enDateConversionType.DoNotConvert:
dr[0] = dtm;
break;
case enDateConversionType.ConvertDateTo32bitInt:
dr[0] = Convert.ToInt32(dtm.ToString("yyyyMMdd"));
break;
case enDateConversionType.ConvertTimeTo32bitInt:
dr[0] = Convert.ToInt32(dtm.ToString("HHmmss"));
break;
case enDateConversionType.ConvertDateTimeTo64bitInt:
dr[0] = Convert.ToInt64(dtm.ToString("yyyyMMddHHmmss"));
break;
default:
dr[0] = dtm;
break;
}
dr[1] = currDate;
//dr[2] = saveRandNum;
//dr[3] = minDays;
//dr[4] = maxDays;
//dr[5] = i;
dt.Rows.Add(dr);
}
}
catch (System.Exception ex)
{
_msg.Length = 0;
_msg.Append("Error in CreateOffsetFromDataTableDate routine.\r\n");
_msg.Append(AppGlobals.AppMessages.FormatErrorMessage(ex));
throw new System.Exception(_msg.ToString());
}
finally
{
;
}
return(dt);
}
/// <summary>
/// Routines for generating dates that are offset from the current date/time value.
/// </summary>
/// <param name="offsetType">enRandomOffsetType enum that determines type of offset to generate (seconds, minutes, hours, days or years).</param>
/// <param name="numRows">Number of random offsets to generate.</param>
/// <param name="minimumOffset">Minimum offset number. </param>
/// <param name="maximumOffset">Maximum offset number.</param>
/// <param name="generateRandomTime">Set to true to generate a time for the random offset.</param>
/// <param name="fromTime">Minium time to generate.</param>
/// <param name="toTime">Maximum time to generate.</param>
/// <param name="dateConversionType">Determines whether or not to convert the DateTime value to an integer. Useful for data warehousing scenarios.</param>
/// <returns>ADO.NET DataTable containing the set of random values. First column of the result set contains a date that has been offset from current date.</returns>
public DataTable CreateOffsetFromCurrentDateDataTable(enRandomOffsetType offsetType, int numRows, string minimumOffset, string maximumOffset, bool generateRandomTime, string fromTime, string toTime, enDateConversionType dateConversionType)
{
DataTable dt = new DataTable();
try
{
double minOffset = Convert.ToDouble(minimumOffset);
double maxOffset = Convert.ToDouble(maximumOffset);
TimeSpan currDateTs = DateTime.Now.Subtract(DateTime.MinValue);
double currDateDays = currDateTs.TotalDays;
double minOffsetDays = currDateDays + minOffset;
double maxOffsetDays = currDateDays + maxOffset;
if (offsetType == enRandomOffsetType.enYears)
{
DateTime tempDtm = DateTime.Now.AddYears((int)minOffset);
minOffsetDays = tempDtm.Subtract(DateTime.MinValue).TotalDays;
tempDtm = DateTime.Now.AddYears((int)maxOffset);
maxOffsetDays = tempDtm.Subtract(DateTime.MinValue).TotalDays;
}
else if (offsetType == enRandomOffsetType.enMonths)
{
DateTime tempDtm = DateTime.Now.AddMonths((int)minOffset);
minOffsetDays = tempDtm.Subtract(DateTime.MinValue).TotalDays;
tempDtm = DateTime.Now.AddMonths((int)maxOffset);
maxOffsetDays = tempDtm.Subtract(DateTime.MinValue).TotalDays;
}
else if (offsetType == enRandomOffsetType.enDays)
{
//minOffset and maxOffset already specify days
minOffsetDays = currDateDays + minOffset;
maxOffsetDays = currDateDays + maxOffset;
}
else
{
_msg.Length = 0;
_msg.Append("Unable to process offset type passed to CreateOffsetFromDataTableDate routine.");
throw new System.Exception(_msg.ToString());
}
TimeSpan fromTimeTs = generateRandomTime ? Convert.ToDateTime(fromTime).TimeOfDay : Convert.ToDateTime("01/01/2000 00:00:00").TimeOfDay;
TimeSpan toTimeTs = generateRandomTime ? Convert.ToDateTime(toTime).TimeOfDay : Convert.ToDateTime("01/01/2000 23:59:59").TimeOfDay;
double fromSeconds = fromTimeTs.TotalSeconds;
double toSeconds = toTimeTs.TotalSeconds;
DataColumn dc = new DataColumn("RandomValue");
//dc.DataType = Type.GetType("System.DateTime");
switch (dateConversionType)
{
case enDateConversionType.DoNotConvert:
dc.DataType = Type.GetType("System.DateTime");
break;
case enDateConversionType.ConvertDateTo32bitInt:
dc.DataType = Type.GetType("System.Int32");
break;
case enDateConversionType.ConvertTimeTo32bitInt:
dc.DataType = Type.GetType("System.Int32");
break;
case enDateConversionType.ConvertDateTimeTo64bitInt:
dc.DataType = Type.GetType("System.Int64");
break;
default:
dc.DataType = Type.GetType("System.DateTime");
break;
}
dt.Columns.Add(dc);
DataColumn dc2 = new DataColumn("OffsetDays");
dc2.DataType = Type.GetType("System.Int32");
dt.Columns.Add(dc2);
for (int i = 0; i < numRows; i++)
{
DataRow dr = dt.NewRow();
Double randNum = _rn.GenerateRandomNumber(minOffsetDays, maxOffsetDays);
TimeSpan ts = new TimeSpan((int)randNum, 0, 0, 0, 0);
DateTime dtm = DateTime.MinValue.Add(ts);
if (generateRandomTime)
{
randNum = _rn.GenerateRandomNumber(fromSeconds, toSeconds);
TimeSpan ts2 = new TimeSpan(0, 0, 0, (int)randNum, 0);
dtm = dtm.AddSeconds(ts2.TotalSeconds);
}
TimeSpan offsetTs = dtm.Subtract(DateTime.Now);
int offset = Convert.ToInt32(offsetTs.TotalDays);
//dr[0] = dtm;
switch (dateConversionType)
{
case enDateConversionType.DoNotConvert:
dr[0] = dtm;
break;
case enDateConversionType.ConvertDateTo32bitInt:
dr[0] = Convert.ToInt32(dtm.ToString("yyyyMMdd"));
break;
case enDateConversionType.ConvertTimeTo32bitInt:
dr[0] = Convert.ToInt32(dtm.ToString("HHmmss"));
break;
case enDateConversionType.ConvertDateTimeTo64bitInt:
dr[0] = Convert.ToInt64(dtm.ToString("yyyyMMddHHmmss"));
break;
default:
dr[0] = dtm;
break;
}
dr[1] = offset;
dt.Rows.Add(dr);
}
}
catch (System.Exception ex)
{
_msg.Length = 0;
_msg.Append("Error in CreateOffsetFromDataTableDate routine.\r\n");
_msg.Append(AppGlobals.AppMessages.FormatErrorMessage(ex));
throw new System.Exception(_msg.ToString());
}
finally
{
;
}
return(dt);
}
/// <summary>
/// Creates set of random DateTime values that fall within a defined range.
/// </summary>
/// <param name="numRows">Number of random DataTime values to generate. </param>
/// <param name="fromDate">Minimum date to generate.</param>
/// <param name="toDate">Maximum date to generate.</param>
/// <param name="generateRandomTime">Set to true to generate a time value as part of the DateTime value being generated.</param>
/// <param name="fromTime">Minimum time to generate.</param>
/// <param name="toTime">Maximum time to generate.</param>
/// <param name="dateConversionType">Determines whether or not to convert the DateTime value to an integer. Useful for data warehousing scenarios.</param>
/// <returns>ADO.NET DataTable containing the set of random values.</returns>
public DataTable CreateRangeDataTable(int numRows, string fromDate, string toDate, bool generateRandomTime, string fromTime, string toTime, enDateConversionType dateConversionType)
{
DataTable dt = new DataTable();
try
{
TimeSpan fromDateTs = Convert.ToDateTime(fromDate).Subtract(DateTime.MinValue);
TimeSpan toDateTs = Convert.ToDateTime(toDate).Subtract(DateTime.MinValue);
double fromDays = fromDateTs.TotalDays;
double toDays = toDateTs.TotalDays;
TimeSpan fromTimeTs = Convert.ToDateTime(fromTime).TimeOfDay;
TimeSpan toTimeTs = Convert.ToDateTime(toTime).TimeOfDay;
double fromSeconds = fromTimeTs.TotalSeconds;
double toSeconds = toTimeTs.TotalSeconds;
DataColumn dc = new DataColumn("RandomValue");
switch (dateConversionType)
{
case enDateConversionType.DoNotConvert:
dc.DataType = Type.GetType("System.DateTime");
break;
case enDateConversionType.ConvertDateTo32bitInt:
dc.DataType = Type.GetType("System.Int32");
break;
case enDateConversionType.ConvertTimeTo32bitInt:
dc.DataType = Type.GetType("System.Int32");
break;
case enDateConversionType.ConvertDateTimeTo64bitInt:
dc.DataType = Type.GetType("System.Int64");
break;
default:
dc.DataType = Type.GetType("System.DateTime");
break;
}
dt.Columns.Add(dc);
for (int i = 0; i < numRows; i++)
{
DataRow dr = dt.NewRow();
Double randNum = _rn.GenerateRandomNumber(fromDays, toDays);
TimeSpan ts = new TimeSpan((int)randNum, 0, 0, 0, 0);
DateTime dtm = DateTime.MinValue.Add(ts);
if (generateRandomTime)
{
randNum = _rn.GenerateRandomNumber(fromSeconds, toSeconds);
TimeSpan ts2 = new TimeSpan(0, 0, 0, (int)randNum, 0);
dtm = dtm.AddSeconds(ts2.TotalSeconds);
}
//dr[0] = dtm;
switch (dateConversionType)
{
case enDateConversionType.DoNotConvert:
dr[0] = dtm;
break;
case enDateConversionType.ConvertDateTo32bitInt:
dr[0] = Convert.ToInt32(dtm.ToString("yyyyMMdd"));
break;
case enDateConversionType.ConvertTimeTo32bitInt:
dr[0] = Convert.ToInt32(dtm.ToString("HHmmss"));
break;
case enDateConversionType.ConvertDateTimeTo64bitInt:
dr[0] = Convert.ToInt64(dtm.ToString("yyyyMMddHHmmss"));
break;
default:
dr[0] = dtm;
break;
}
dt.Rows.Add(dr);
}
}
catch (System.Exception ex)
{
_msg.Length = 0;
_msg.Append("Error in CreateRangeDataTable routine.\r\n");
_msg.Append(AppGlobals.AppMessages.FormatErrorMessage(ex));
throw new System.Exception(_msg.ToString());
}
finally
{
;
}
return(dt);
}
