/// <summary>Adds some <see cref="System.DateTime"/> objects into a specific date schedule.
/// </summary>
/// <param name="dateSchedule">The date schedule.</param>
/// <exception cref="NotOperableException">Thrown, if the current instance it not operable.</exception>
public void AddDatesToDateSchedule(DateSchedule dateSchedule)
{
if (IsOperable == false)
{
throw new NotOperableException("BackwardDateScheduleRule");
}
DateTime firstDate, terminationDate;
m_TimeSpanDescription.GetStartAndEndDate(m_ReferenceDate, dateSchedule.HolidayCalendar, out firstDate, out terminationDate, dateSchedule.Logging);
if (terminationDate < firstDate)
{
throw new ArgumentException(String.Format(ExceptionMessages.ArgumentOutOfRangeGreaterEqual, "End date [" + terminationDate.ToShortDateString() + "]", "first date [" + firstDate.ToShortDateString() + "]"));
}
dateSchedule.Add(terminationDate); // add the end date
// gets the date which is used as 'base date' for the date generation loop:
DateTime seed = terminationDate;
if ((m_LastRegularDate != null) && (m_LastRegularDate.HasValue)) // 'last regular date' is given
{
seed = m_LastRegularDate.Value;
if (seed > terminationDate)
{
throw new ArgumentException(String.Format(ExceptionMessages.ArgumentOutOfRangeLessEqual, "Last regular date [" + seed.ToShortDateString() + "]", "end date [" + terminationDate.ToShortDateString() + "]"));
}
}
if (m_SeedBusinessDayConvention != null) // perhaps adjust the 'base date' which is used for the date generation loop
{
seed = m_SeedBusinessDayConvention.GetAdjustedDate(seed, dateSchedule.HolidayCalendar);
}
else
{
seed = m_BusinessDayConvention.GetAdjustedDate(seed, dateSchedule.HolidayCalendar);
}
dateSchedule.Add(seed);
// gets the exit condition for the loop:
DateTime exitDate = firstDate; // perhaps not a business day
if ((m_FirstRegularDate != null) && (m_FirstRegularDate.HasValue))
{
exitDate = m_FirstRegularDate.Value;
if (exitDate > seed)
{
throw new ArgumentException(String.Format(ExceptionMessages.ArgumentOutOfRangeLessEqual, "First regular date [" + exitDate.ToShortDateString() + "]", "last [regular] date [" + seed.ToShortDateString() + "]"));
}
}
if (m_Frequency.IsOnceFrequency()) // end date and seed date are already added
{
if (exitDate != firstDate) // perhaps add the first regular date
{
dateSchedule.Add(exitDate); // one may apply the business day convention to the first regular date
}
}
else // do the loop with respect to the frequency
{
TenorTimeSpan frequencyTenor = m_Frequency.GetFrequencyTenor();
DateTime runningDate = m_BusinessDayConvention.GetAdjustedDate(seed.AddTenorTimeSpan(frequencyTenor), dateSchedule.HolidayCalendar);
int periodIndex = -1;
while (runningDate >= exitDate)
{
dateSchedule.Add(runningDate);
periodIndex--;
runningDate = seed.AddTenorTimeSpan(frequencyTenor, periodIndex);
runningDate = m_BusinessDayConvention.GetAdjustedDate(runningDate, dateSchedule.HolidayCalendar);
}
}
dateSchedule.Add(firstDate);
}
