/// <summary>
/// Gets and sets the required pricing structures to value this leg.
/// </summary>
public List <String> GetRequiredPricingStructures()
{
var result = new List <String>();
if (calculationPeriodAmount.Item is Calculation amount)
{
var currency = XsdClassesFieldResolver.CalculationGetNotionalSchedule(amount);
if (currency?.notionalStepSchedule != null)
{
var discountCurve = CurveNameHelpers.GetDiscountCurveName(currency.notionalStepSchedule.currency, true);
result.Add(discountCurve);
}
if (amount.Items[0] is FloatingRateCalculation floatingRateCalculation)
{
result.Add(CurveNameHelpers.GetForecastCurveName(floatingRateCalculation.floatingRateIndex, floatingRateCalculation.indexTenor));
}
}
//TODO
if (stubCalculationPeriodAmount != null)
{
if (stubCalculationPeriodAmount.initialStub?.Items != null)
{
result.AddRange(from value in stubCalculationPeriodAmount.initialStub.Items
where value is Money
select CurveNameHelpers.GetDiscountCurveName(((Money)value).currency, true));
}
if (stubCalculationPeriodAmount.finalStub?.Items != null)
{
result.AddRange(from value in stubCalculationPeriodAmount.finalStub.Items
where value is Money
select CurveNameHelpers.GetDiscountCurveName(((Money)value).currency, true));
}
}
return(result);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public List <string> GetRequiredCurrencies()
{
var result = new List <string>();
var item = XsdClassesFieldResolver.CalculationGetNotionalSchedule((Calculation)calculationPeriodAmount.Item);
if (item?.notionalStepSchedule?.currency != null)
{
result.Add(item.notionalStepSchedule.currency.Value);
}
return(result);
}
///<summary>
/// Gets all the Forecast curve name.
///</summary>
///<returns></returns>
public static string GetRateVolatilityMatrixName(Swap swap)
{
AdjustableDate adjustableEffectiveDate = XsdClassesFieldResolver.CalculationPeriodDatesGetEffectiveDate(swap.swapStream[0].calculationPeriodDates);
AdjustableDate adjustableTerminationDate = XsdClassesFieldResolver.CalculationPeriodDatesGetTerminationDate(swap.swapStream[0].calculationPeriodDates);
var years = adjustableTerminationDate.unadjustedDate.Value.Year - adjustableEffectiveDate.unadjustedDate.Value.Year;
var calculation = (Calculation)swap.swapStream[0].calculationPeriodAmount.Item;
var notional = XsdClassesFieldResolver.CalculationGetNotionalSchedule(calculation);
var currency = notional.notionalStepSchedule.currency.Value;
return(PricingStructureTypeEnum.RateVolatilityMatrix + "." + currency + "-IRSwap-" + years + "Y");
}
/// <summary>
/// Initializes a new instance of the <see cref="PriceableInterestRateStream"/> class.
/// </summary>
/// <param name="logger">The logger.</param>
/// <param name="cache">The cache.</param>
/// <param name="nameSpace">The client namesspace.</param>
/// <param name="swapId">The swap Id.</param>
/// <param name="payerPartyReference">The payer party reference.</param>
/// <param name="receiverPartyReference">The receiver party reference.</param>
/// <param name="payerIsBase">The flag for whether the payerreference is the base party.</param>
/// <param name="calculationPeriodDates">The caluclation period date information.</param>
/// <param name="paymentDates">The payment dates of the swap leg.</param>
/// <param name="resetDates">The reset dates of the swap leg.</param>
/// <param name="principalExchanges">The principal Exchange type.</param>
/// <param name="calculationPeriodAmount">The calculation period amount data.</param>
/// <param name="stubCalculationPeriodAmount">The stub calculation information.</param>
/// <param name="cashflows">The FpML cashflows for that stream.</param>
/// <param name="settlementProvision">The settlement provision data.</param>
/// <param name="forecastRateInterpolation">ForwardEndDate = forecastRateInterpolation ? AccrualEndDate
/// : AdjustedDateHelper.ToAdjustedDate(forecastRateIndex.indexTenor.Add(AccrualStartDate), AccrualBusinessDayAdjustments);</param>
/// <param name="fixingCalendar">The fixingCalendar.</param>
/// <param name="paymentCalendar">The paymentCalendar.</param>
public PriceableInterestRateStream
(
ILogger logger
, ICoreCache cache
, String nameSpace
, string swapId
, string payerPartyReference
, string receiverPartyReference
, bool payerIsBase
, CalculationPeriodDates calculationPeriodDates
, PaymentDates paymentDates
, ResetDates resetDates
, PrincipalExchanges principalExchanges
, CalculationPeriodAmount calculationPeriodAmount
, StubCalculationPeriodAmount stubCalculationPeriodAmount
, Cashflows cashflows
, SettlementProvision settlementProvision
, bool forecastRateInterpolation
, IBusinessCalendar fixingCalendar
, IBusinessCalendar paymentCalendar)
{
Multiplier = 1.0m;
Payer = payerPartyReference;
Receiver = receiverPartyReference;
PayerIsBaseParty = payerIsBase;
CalculationPeriodDates = calculationPeriodDates;
PaymentDates = paymentDates;
PaymentCurrencies = new List <string>();
ResetDates = resetDates;
PrincipalExchanges = principalExchanges;
CalculationPeriodAmount = calculationPeriodAmount;
AnalyticsModel = new StructuredStreamAnalytic();
Calculation = (Calculation)CalculationPeriodAmount.Item;
if (Calculation.Items?[0] is Schedule strikeSchedule)
{
Strike = strikeSchedule.initialValue;//Only picks up the first fixed rate for the swaption calculation.
}
StubCalculationPeriodAmount = stubCalculationPeriodAmount;
Cashflows = cashflows;
CouponStreamType = CouponTypeFromCalculation(Calculation);
Id = BuildId(swapId, CouponStreamType);
ForecastRateInterpolation = forecastRateInterpolation;
var isThereDiscounting = XsdClassesFieldResolver.CalculationHasDiscounting(Calculation);
if (isThereDiscounting)
{
IsDiscounted = true; //TODO need to include rate logic for the correct solved answers. What about reset cashflows??
}
//Get the currency.
var currency = XsdClassesFieldResolver.CalculationGetNotionalSchedule(Calculation);
Currency = currency.notionalStepSchedule.currency;
if (!PaymentCurrencies.Contains(Currency.Value))
{
PaymentCurrencies.Add(Currency.Value);
}
//The calendars
if (paymentCalendar == null)
{
paymentCalendar = BusinessCenterHelper.ToBusinessCalendar(cache, PaymentDates.paymentDatesAdjustments.businessCenters, nameSpace);
}
SettlementProvision = settlementProvision;
//Set the default discount curve name.
DiscountCurveName = CurveNameHelpers.GetDiscountCurveName(Currency.Value, true);
//Set the forecast curve name.//TODO extend this to the other types.
if (CouponStreamType != CouponStreamType.GenericFixedRate)
{
if (fixingCalendar == null)
{
fixingCalendar = BusinessCenterHelper.ToBusinessCalendar(cache, ResetDates.resetDatesAdjustments.businessCenters, nameSpace);
}
ForecastCurveName = null;
if (Calculation.Items != null)
{
var floatingRateCalculation = Calculation.Items;
var floatingRateIndex = (FloatingRateCalculation)floatingRateCalculation[0];
ForecastCurveName = CurveNameHelpers.GetForecastCurveName(floatingRateIndex);
}
}
//Build the coupons and principal exchanges.
if (GetCashflowPaymentCalculationPeriods() != null)
{
Coupons = PriceableInstrumentsFactory.CreatePriceableCoupons(PayerIsBaseParty,
GetCashflowPaymentCalculationPeriods(),
Calculation, ForecastRateInterpolation, fixingCalendar, paymentCalendar);//TODO add the stubcalculation.
UpdateCouponIds();
}
if (GetCashflowPrincipalExchanges() != null)
{
var exchanges = GetCashflowPrincipalExchanges();
Exchanges = PriceableInstrumentsFactory.CreatePriceablePrincipalExchanges(PayerIsBaseParty, exchanges, Currency.Value, paymentCalendar);
UpdateExchangeIds();
}
RiskMaturityDate = LastDate();
logger.LogInfo("Stream built");
}
private static void CalculateForecastPaymentAmount(Calculation calculation,
FloatingRateCalculation floatingRateCalculation,
PaymentCalculationPeriod paymentCalculationPeriod,
IRateCurve forecastCurve,
IRateCurve discountCurve,
DateTime valuationDate)
{
var amountAccruedPerPaymentPeriod = new List <Money>();
decimal interestFromPreviousPeriods = 0;
Notional notionalSchedule = XsdClassesFieldResolver.CalculationGetNotionalSchedule(calculation);
Currency notionalCurrency = notionalSchedule.notionalStepSchedule.currency;
// Cashflows
//
foreach (CalculationPeriod calculationPeriod in XsdClassesFieldResolver.GetPaymentCalculationPeriodCalculationPeriodArray(paymentCalculationPeriod))
{
decimal notional = XsdClassesFieldResolver.CalculationPeriodGetNotionalAmount(calculationPeriod);
decimal finalRate = 0.0m;
// If has a fixed rate (fixed rate coupon)
//
if (XsdClassesFieldResolver.CalculationPeriodHasFixedRate(calculationPeriod))
{
finalRate = XsdClassesFieldResolver.CalculationPeriodGetFixedRate(calculationPeriod);
}
else if (XsdClassesFieldResolver.CalculationPeriodHasFloatingRateDefinition(calculationPeriod))
{
if (null != forecastCurve)
{
FloatingRateDefinition floatingRateDefinition = XsdClassesFieldResolver.CalculationPeriodGetFloatingRateDefinition(calculationPeriod);
// Apply spread from schedule if it hasn't been specified yet.
//
if (!floatingRateDefinition.spreadSpecified)
{
floatingRateDefinition.spread = floatingRateCalculation.spreadSchedule[0].initialValue;
floatingRateDefinition.spreadSpecified = true;
}
ForecastRateHelper.UpdateFloatingRateDefinition(floatingRateDefinition, floatingRateCalculation,
calculation.dayCountFraction,
calculationPeriod,
forecastCurve);
calculationPeriod.Item1 = floatingRateDefinition;
decimal calculatedRate = floatingRateDefinition.calculatedRate;
// final rate after application of Cap/Floor rates
//
finalRate = calculatedRate;
// If has a Cap rate, finalRate = MAX(0, FinalRate - CapRate)
//
if (null != floatingRateDefinition.capRate)
{
Strike strike = floatingRateDefinition.capRate[0];
finalRate = System.Math.Max(0, finalRate - strike.strikeRate);
}
// If has a Floor rate, finalRate = MAX(0, FloorRate - FinalRate)
//
if (null != floatingRateDefinition.floorRate)
{
Strike strike = floatingRateDefinition.floorRate[0];
finalRate = System.Math.Max(0, strike.strikeRate - finalRate);
}
}
}
else
{
throw new System.Exception("CalculationPeriod has neither fixedRate nor floatngRateDefinition.");
}
// Compound interest accrued during previos calculation periods in this payment period.
//
decimal notionalAdjustedForInterestFromPreviousPeriods = notional + interestFromPreviousPeriods;
if (calculation.discounting == null)
{
interestFromPreviousPeriods = notionalAdjustedForInterestFromPreviousPeriods * finalRate * calculationPeriod.dayCountYearFraction;
}
else if (calculation.discounting.discountingType == DiscountingTypeEnum.FRA || calculation.discounting.discountingType == DiscountingTypeEnum.Standard)
{
interestFromPreviousPeriods = notionalAdjustedForInterestFromPreviousPeriods * (1.0m - 1.0m / (1.0m + finalRate * calculationPeriod.dayCountYearFraction));
}
else
{
throw new NotSupportedException("The specified discountingType is not supported.");
}
Money amountAccruedPerCalculationPeriod = MoneyHelper.GetAmount(interestFromPreviousPeriods, notionalCurrency);
amountAccruedPerPaymentPeriod.Add(amountAccruedPerCalculationPeriod);
}
paymentCalculationPeriod.forecastPaymentAmount = MoneyHelper.Sum(amountAccruedPerPaymentPeriod);
paymentCalculationPeriod.discountFactor = (decimal)discountCurve.GetDiscountFactor(valuationDate, paymentCalculationPeriod.adjustedPaymentDate);
paymentCalculationPeriod.discountFactorSpecified = true;
paymentCalculationPeriod.presentValueAmount = MoneyHelper.Mul(paymentCalculationPeriod.forecastPaymentAmount, paymentCalculationPeriod.discountFactor);
}
/// <summary>
/// Update calculation periods with rates/notional.
/// </summary>
/// <param name="interestRateStream"></param>
/// <param name="calculationPeriodsPrincipalExchangesAndStubs"></param>
public static void UpdateCalculationPeriodsData(InterestRateStream interestRateStream, CalculationPeriodsPrincipalExchangesAndStubs calculationPeriodsPrincipalExchangesAndStubs)
{
Calculation calculation = XsdClassesFieldResolver.CalculationPeriodAmountGetCalculation(interestRateStream.calculationPeriodAmount);
Notional notionalSchedule = XsdClassesFieldResolver.CalculationGetNotionalSchedule(calculation);
#region Generate FUTURE amounts for principle exchanges
// Initial PE
//
if (null != calculationPeriodsPrincipalExchangesAndStubs.InitialPrincipalExchange)
{
// initial OUTflow
//
decimal initialNotionalValue = ScheduleHelper.GetValue(notionalSchedule.notionalStepSchedule, calculationPeriodsPrincipalExchangesAndStubs.InitialPrincipalExchange.adjustedPrincipalExchangeDate);
calculationPeriodsPrincipalExchangesAndStubs.InitialPrincipalExchange.principalExchangeAmount = -initialNotionalValue;
calculationPeriodsPrincipalExchangesAndStubs.InitialPrincipalExchange.principalExchangeAmountSpecified = true;
}
// intermediatory PE
//
foreach (PrincipalExchange intermediatoryExchange in calculationPeriodsPrincipalExchangesAndStubs.IntermediatePrincipalExchanges)
{
DateTime principleExchangeDate = intermediatoryExchange.adjustedPrincipalExchangeDate;
//value at the day before principle exchange day
//
decimal prevNotionalValue = ScheduleHelper.GetValue(notionalSchedule.notionalStepSchedule, principleExchangeDate.AddDays(-1));
//value at principle exchange day ..
//
decimal newNotionalValue = ScheduleHelper.GetValue(notionalSchedule.notionalStepSchedule, principleExchangeDate);
decimal principalExchangeAmount = prevNotionalValue - newNotionalValue;
intermediatoryExchange.principalExchangeAmount = principalExchangeAmount;
intermediatoryExchange.principalExchangeAmountSpecified = true;
}
// Final PE
//
if (null != calculationPeriodsPrincipalExchangesAndStubs.FinalPrincipalExchange)
{
// pay the rest ot the notional back
//
decimal newNotionalValue = ScheduleHelper.GetValue(notionalSchedule.notionalStepSchedule,
calculationPeriodsPrincipalExchangesAndStubs.FinalPrincipalExchange.adjustedPrincipalExchangeDate);
calculationPeriodsPrincipalExchangesAndStubs.FinalPrincipalExchange.principalExchangeAmount = newNotionalValue;
calculationPeriodsPrincipalExchangesAndStubs.FinalPrincipalExchange.principalExchangeAmountSpecified = true;
}
#endregion
// Process standard calculation periods
//
foreach (CalculationPeriod calculationPeriod in calculationPeriodsPrincipalExchangesAndStubs.CalculationPeriods)
{
UpdateCalculationPeriodData(calculation, calculationPeriod, notionalSchedule);
}
// Process stub calculation periods
//
if (null != interestRateStream.stubCalculationPeriodAmount)
{
if ((null == interestRateStream.stubCalculationPeriodAmount.initialStub) &&
(null == interestRateStream.stubCalculationPeriodAmount.finalStub))
{
throw new System.Exception(
"interestRateStream.stubCalculationPeriodAmount.initialStub && interestRateStream.stubCalculationPeriodAmount.finalStub are null");
}
StubValue initialStub = interestRateStream.stubCalculationPeriodAmount.initialStub;
StubValue finalStub = interestRateStream.stubCalculationPeriodAmount.finalStub;
if (null != calculationPeriodsPrincipalExchangesAndStubs.InitialStubCalculationPeriod && null != initialStub)
{
UpdateStubCalculationPeriodData(interestRateStream, calculationPeriodsPrincipalExchangesAndStubs.InitialStubCalculationPeriod, initialStub, notionalSchedule);
}
if (null != calculationPeriodsPrincipalExchangesAndStubs.FinalStubCalculationPeriod && null != finalStub)
{
UpdateStubCalculationPeriodData(interestRateStream, calculationPeriodsPrincipalExchangesAndStubs.FinalStubCalculationPeriod, finalStub, notionalSchedule);
}
}
else
{
foreach (CalculationPeriod calculationPeriod in new[] { calculationPeriodsPrincipalExchangesAndStubs.InitialStubCalculationPeriod, calculationPeriodsPrincipalExchangesAndStubs.FinalStubCalculationPeriod })
{
if (null != calculationPeriod)
{
UpdateCalculationPeriodData(calculation, calculationPeriod, notionalSchedule);
}
}
}
}
/// <summary>
/// Don't generate stubs?
/// </summary>
/// <param name="interestRateStream"></param>
/// <param name="rollDates">from #1st roll date to last roll date (last roll dates is effectively the end of the swap)</param>
/// <param name="paymentCalendar"></param>
/// <returns></returns>
public static CalculationPeriodsPrincipalExchangesAndStubs GenerateCalculationPeriodsPrincipalExchangesAndStubsFromRollDates(InterestRateStream interestRateStream,
List <DateTime> rollDates,
IBusinessCalendar paymentCalendar)
{
CalculationPeriodDates calculationPeriodDates = interestRateStream.calculationPeriodDates;
AdjustableDate adjustableEffectiveDate = XsdClassesFieldResolver.CalculationPeriodDatesGetEffectiveDate(calculationPeriodDates);
var result = new CalculationPeriodsPrincipalExchangesAndStubs();
for (int rollDateIndex = 0; rollDateIndex < rollDates.Count - 1; ++rollDateIndex)
{
DateTime startOfThePeriod = rollDates[rollDateIndex];
DateTime endOfThePeriod = rollDates[rollDateIndex + 1];
var calculationPeriod = new CalculationPeriod();
// Set adjusted period dates
//
CalculationPeriodHelper.SetAdjustedDates(calculationPeriod,
startOfThePeriod,
endOfThePeriod);
result.Add(calculationPeriod);
}
// Add principle exchanges if this need is defined in parametric representation of the interest rate steam.
//
if (null != interestRateStream.principalExchanges)
{
// Initial PE
//
if (interestRateStream.principalExchanges.initialExchange)
{
//if (paymentCalendar == null)
//{
// paymentCalendar = BusinessCenterHelper.ToBusinessCalendar(cache, adjustableEffectiveDate.dateAdjustments.businessCenters);
//}
PrincipalExchange initialExchange = PrincipalExchangeHelper.Create(AdjustedDateHelper.ToAdjustedDate(paymentCalendar, adjustableEffectiveDate));
result.InitialPrincipalExchange = initialExchange;
}
// intermediatory PE
//
if (interestRateStream.principalExchanges.intermediateExchange)
{
// Generate a list of intermediatory PE exchanges
//
Calculation calculation = XsdClassesFieldResolver.CalculationPeriodAmountGetCalculation(interestRateStream.calculationPeriodAmount);
Notional notionalSchedule = XsdClassesFieldResolver.CalculationGetNotionalSchedule(calculation);
if (null != notionalSchedule.notionalStepSchedule.step)//there should be steps - otherwise NO interm. exchanges.
{
foreach (DateTime stepDate in ScheduleHelper.GetStepDates(notionalSchedule.notionalStepSchedule))
{
PrincipalExchange intermediatoryExchange = PrincipalExchangeHelper.Create(stepDate);
result.Add(intermediatoryExchange);
}
}
}
//AdjustableDate adjustableTerminationDate = XsdClassesFieldResolver.CalculationPeriodDates_GetTerminationDate(calculationPeriodDates);
DateTime lastRollDate = rollDates[rollDates.Count - 1];
// Final PE
//
if (interestRateStream.principalExchanges.finalExchange)
{
//PrincipalExchange finalExchange = PrincipalExchangeHelper.Create(DateTypesHelper.ToAdjustedDate(adjustableTerminationDate));
PrincipalExchange finalExchange = PrincipalExchangeHelper.Create(lastRollDate);
result.FinalPrincipalExchange = finalExchange;
}
}
return(result);
}
public static CalculationPeriodsPrincipalExchangesAndStubs GenerateCalculationPeriodsPrincipalExchangesAndStubs(
InterestRateStream interestRateStream, IBusinessCalendar fixingCalendar, IBusinessCalendar paymentCalendar)
{
CalculationPeriodDates calculationPeriodDates = interestRateStream.calculationPeriodDates;
AdjustableDate adjustableEffectiveDate = XsdClassesFieldResolver.CalculationPeriodDatesGetEffectiveDate(calculationPeriodDates);
AdjustableDate adjustableTerminationDate = XsdClassesFieldResolver.CalculationPeriodDatesGetTerminationDate(calculationPeriodDates);
AdjustableDate adjustableFirstPeriodDate = adjustableEffectiveDate;
DateTime?firstRegularPeriodStartDate =
XsdClassesFieldResolver.CalculationPeriodDatesGetFirstRegularPeriodStartDate(calculationPeriodDates);
var tempDate = XsdClassesFieldResolver.CalculationPeriodDatesGetFirstPeriodStartDate(calculationPeriodDates);
if (tempDate != null && firstRegularPeriodStartDate != null)
{
adjustableFirstPeriodDate = tempDate;
Frequency frequency = calculationPeriodDates.calculationPeriodFrequency;
var startDate = CalculationPeriodGenerator.AddPeriod((DateTime)firstRegularPeriodStartDate, IntervalHelper.FromFrequency(frequency), -1);
adjustableFirstPeriodDate.unadjustedDate = IdentifiedDateHelper.Create(startDate);
}
DateTime?lastRegularPeriodEndDate =
XsdClassesFieldResolver.CalculationPeriodDatesGetLastRegularPeriodEndDate(calculationPeriodDates);
// This assumes automatic adjustment of calculationperiods.
CalculationPeriodsPrincipalExchangesAndStubs result = CalculationPeriodGenerator.GenerateAdjustedCalculationPeriods(
adjustableFirstPeriodDate.unadjustedDate.Value,
adjustableTerminationDate.unadjustedDate.Value,
firstRegularPeriodStartDate,
lastRegularPeriodEndDate,
calculationPeriodDates.calculationPeriodFrequency,
calculationPeriodDates.calculationPeriodDatesAdjustments,
paymentCalendar);
//Determine whether the reset dates must be calcuated.
Calculation calculation = XsdClassesFieldResolver.CalculationPeriodAmountGetCalculation(interestRateStream.calculationPeriodAmount);
// Add principle exchanges if this need is defined in parametric representation of the interest rate steam.
//
if (null != interestRateStream.principalExchanges)
{
//if (paymentCalendar == null)
//{
// paymentCalendar = BusinessCenterHelper.ToBusinessCalendar(cache, adjustableEffectiveDate.dateAdjustments.businessCenters);
//}
// Initial PE
//
if (interestRateStream.principalExchanges.initialExchange)
{
PrincipalExchange initialExchange = PrincipalExchangeHelper.Create(AdjustedDateHelper.ToAdjustedDate(paymentCalendar, adjustableEffectiveDate));
result.InitialPrincipalExchange = initialExchange;
}
// intermediatory PE
//
if (interestRateStream.principalExchanges.intermediateExchange)
{
// Generate a list of intermediatory PE exchanges
//
Notional notionalSchedule = XsdClassesFieldResolver.CalculationGetNotionalSchedule(calculation);
if (null != notionalSchedule.notionalStepSchedule.step)//there should be steps - otherwise NO interm. exchanges.
{
foreach (DateTime stepDate in ScheduleHelper.GetStepDates(notionalSchedule.notionalStepSchedule))
{
PrincipalExchange intermediatoryExchange = PrincipalExchangeHelper.Create(stepDate);
result.Add(intermediatoryExchange);
}
}
}
// Final PE
// Assume the same calendar is used for the termination date as well!
if (interestRateStream.principalExchanges.finalExchange)
{
PrincipalExchange finalExchange = PrincipalExchangeHelper.Create(AdjustedDateHelper.ToAdjustedDate(paymentCalendar, adjustableTerminationDate));
result.FinalPrincipalExchange = finalExchange;
}
}
//Only does upfront resetRelativeTo start date.
if (interestRateStream.resetDates != null && calculation.Items[0].GetType() == typeof(FloatingRateCalculation))
{
//Get the fixing date convention.
var fixingDateConvention = interestRateStream.resetDates.resetDatesAdjustments;
//if (fixingCalendar == null)
//{
// fixingCalendar = BusinessCenterHelper.ToBusinessCalendar(cache, fixingDateConvention.businessCenters);
//}
foreach (var calculationPeriod in result.CalculationPeriods)
{
if (calculationPeriod.adjustedStartDateSpecified)
{
//Set the adjusted fixing date.
var adjustedFixingDate = AdjustedDateHelper.ToAdjustedDate(fixingCalendar, calculationPeriod.adjustedStartDate,
fixingDateConvention);
var floatingRateDefinition = new FloatingRateDefinition();
var rateObservation = new RateObservation
{
observedRateSpecified = false,
adjustedFixingDateSpecified = true,
adjustedFixingDate = adjustedFixingDate
};
floatingRateDefinition.rateObservation = new[] { rateObservation };
calculationPeriod.Item1 = floatingRateDefinition;
}
}
//The initial stub period.
if (result.InitialStubCalculationPeriod != null)
{
if (result.InitialStubCalculationPeriod.adjustedStartDateSpecified)
{
//Set the adjusted fixing date.
var adjustedFixingDate = AdjustedDateHelper.ToAdjustedDate(fixingCalendar, result.InitialStubCalculationPeriod.adjustedStartDate,
fixingDateConvention);
var floatingRateDefinition = new FloatingRateDefinition();
var rateObservation = new RateObservation
{
observedRateSpecified = false,
adjustedFixingDateSpecified = true,
adjustedFixingDate = adjustedFixingDate
};
floatingRateDefinition.rateObservation = new[] { rateObservation };
result.InitialStubCalculationPeriod.Item1 = floatingRateDefinition;
}
}
//The final stub period
if (result.FinalStubCalculationPeriod != null)
{
if (result.FinalStubCalculationPeriod.adjustedStartDateSpecified)
{
//Set the adjusted fixing date.
var adjustedFixingDate = AdjustedDateHelper.ToAdjustedDate(fixingCalendar, result.FinalStubCalculationPeriod.adjustedStartDate,
fixingDateConvention);
var floatingRateDefinition = new FloatingRateDefinition();
var rateObservation = new RateObservation
{
observedRateSpecified = false,
adjustedFixingDateSpecified = true,
adjustedFixingDate = adjustedFixingDate
};
floatingRateDefinition.rateObservation = new[] { rateObservation };
result.FinalStubCalculationPeriod.Item1 = floatingRateDefinition;
}
}
}
return(result);
}