public List <DateTime> BuildDates(ILogger logger, ICoreCache cache, String nameSpace, BillSwapPricerDatesRange billSwapPricerDatesRange, IBusinessCalendar paymentCalendar)
{
CalculationPeriodFrequency frequency = CalculationPeriodFrequencyHelper.Parse(billSwapPricerDatesRange.RollFrequency, billSwapPricerDatesRange.RollConvention);
StubPeriodTypeEnum? initialStub = null;
if (!String.IsNullOrEmpty(billSwapPricerDatesRange.InitialStubPeriod))
{
initialStub = EnumHelper.Parse <StubPeriodTypeEnum>(billSwapPricerDatesRange.InitialStubPeriod);
}
StubPeriodTypeEnum?finalStub = null;
if (!String.IsNullOrEmpty(billSwapPricerDatesRange.FinalStubPeriod))
{
finalStub = EnumHelper.Parse <StubPeriodTypeEnum>(billSwapPricerDatesRange.FinalStubPeriod);
}
//BusinessDayAdjustments adjustments = BusinessDayAdjustmentsHelper.Create(BusinessDayConventionEnum.NONE, "");
//if (paymentCalendar == null)
//{
// paymentCalendar = BusinessCenterHelper.ToBusinessCalendar(cache, adjustments.businessCenters);//Make sure this builds a valid calendar!
//}
BusinessDayAdjustments calculationPeriodDayAdjustments = BusinessDayAdjustmentsHelper.Create(billSwapPricerDatesRange.BusinessDayConvention, billSwapPricerDatesRange.Calendar);
if (paymentCalendar == null)
{
paymentCalendar = BusinessCenterHelper.ToBusinessCalendar(cache, calculationPeriodDayAdjustments.businessCenters, nameSpace);
}
CalculationPeriodsPrincipalExchangesAndStubs result = CalculationPeriodGenerator.GenerateAdjustedCalculationPeriods(
billSwapPricerDatesRange.StartDate,
billSwapPricerDatesRange.EndDate,
billSwapPricerDatesRange.FirstRegularPeriodStartDate,
frequency,
calculationPeriodDayAdjustments,
initialStub,
finalStub,
paymentCalendar
);
foreach (CalculationPeriod regularCalculationPeriod in result.GetRegularAndStubPeriods())
{
// Adjust both startDate & endDate of period
//
CalculationPeriodHelper.SetAdjustedDates(regularCalculationPeriod,
AdjustedDateHelper.ToAdjustedDate(paymentCalendar, regularCalculationPeriod.unadjustedStartDate, calculationPeriodDayAdjustments),
AdjustedDateHelper.ToAdjustedDate(paymentCalendar, regularCalculationPeriod.unadjustedEndDate, calculationPeriodDayAdjustments));
}
var listResult = result.GetRegularAndStubPeriods().Select(regularCalculationPeriod => regularCalculationPeriod.adjustedStartDate).ToList();
listResult.Add(result.GetRegularAndStubPeriods()[result.GetRegularAndStubPeriods().Count - 1].adjustedEndDate);
return(listResult);
}
public void LongFinalStubSpecifiedButNoStub()
{
DateTime startDate = new DateTime(2007, 01, 5);
DateTime endDate = new DateTime(2012, 01, 5);
RollConventionEnum rollConvention = RollConventionEnum.Item5;
CalculationPeriodFrequency periodFrequency = CalculationPeriodFrequencyHelper.Parse("3M", rollConvention.ToString());
CalculationPeriodSchedule cps = new CalculationPeriodSchedule();
Period periodInterval = CalculationPeriodHelper.CalculationPeriodFrequencyToInterval(periodFrequency);
List <CalculationPeriod> unadjustedCalcPeriods = cps.GetUnadjustedCalculationDateSchedule(startDate, endDate, periodInterval, rollConvention, StubPeriodTypeEnum.LongFinal);
Assert.AreEqual(unadjustedCalcPeriods.Count, 20);
Assert.IsFalse(cps.HasFinalStub);
Assert.IsFalse(cps.HasInitialStub);
}
public void LongInitialStubSpecified()
{
DateTime startDate = new DateTime(2007, 01, 5);
DateTime endDate = new DateTime(2012, 01, 5);
RollConventionEnum rollConvention = RollConventionEnum.Item26;
CalculationPeriodFrequency periodFrequency = CalculationPeriodFrequencyHelper.Parse("3M", rollConvention.ToString());
DateTime firstRegularPeriodDate = new DateTime(2007, 4, 26);
CalculationPeriodSchedule cps = new CalculationPeriodSchedule();
List <CalculationPeriod> unadjustedCalcPeriods = cps.GetUnadjustedCalculationDateSchedule(startDate, endDate, firstRegularPeriodDate, periodFrequency, StubPeriodTypeEnum.LongInitial);
Assert.AreEqual(unadjustedCalcPeriods.Count, 20);
Assert.IsTrue(cps.HasFinalStub);
Assert.IsTrue(cps.HasInitialStub);
Assert.IsTrue(CalculationPeriodHelper.IsLongStub(unadjustedCalcPeriods[0], cps.PeriodInterval));
}
public void ShortFinalStubSpecifiedFromTermination()
{
DateTime startDate = new DateTime(2007, 01, 5);
DateTime endDate = new DateTime(2010, 01, 5);
RollConventionEnum rollConvention = RollConventionEnum.Item12;
CalculationPeriodFrequency periodFrequency = CalculationPeriodFrequencyHelper.Parse("3M", rollConvention.ToString());
Period periodInterval = CalculationPeriodHelper.CalculationPeriodFrequencyToInterval(periodFrequency);
CalculationPeriodSchedule cps = new CalculationPeriodSchedule();
DateTime lastRegularPeriodEndDate = new DateTime(2009, 8, 12);
List <CalculationPeriod> unadjustedCalcPeriods = cps.GetUnadjustedCalculationDateScheduleFromTermDate(startDate, endDate, periodInterval, lastRegularPeriodEndDate, rollConvention, StubPeriodTypeEnum.ShortFinal);
Assert.AreEqual(unadjustedCalcPeriods.Count, 13);
Assert.IsTrue(cps.HasFinalStub);
Assert.IsTrue(cps.HasInitialStub);
Assert.IsTrue(CalculationPeriodHelper.IsShortStub(unadjustedCalcPeriods[unadjustedCalcPeriods.Count - 1], cps.PeriodInterval));
}
public void RegularPeriodFrequencyUnadjustedDates()
{
// 5 year 3 month cash flow
DateTime startDate = new DateTime(2007, 01, 5);
RollConventionEnum rollConvention = RollConventionEnum.Item26;
CalculationPeriodFrequency frequencyToMaturity = CalculationPeriodFrequencyHelper.Parse("5Y", rollConvention.ToString());
CalculationPeriodFrequency periodFrequency = CalculationPeriodFrequencyHelper.Parse("3M", rollConvention.ToString());
CalculationPeriodSchedule cps = new CalculationPeriodSchedule();
List <CalculationPeriod> unadjustedCalcPeriods = cps.GetUnadjustedCalculationDateSchedule(startDate, frequencyToMaturity, periodFrequency);
List <DateTime> dates = CalculationPeriodHelper.GetCalculationPeriodsProperty <DateTime>(unadjustedCalcPeriods, "unadjustedStartDate");
Assert.AreEqual(unadjustedCalcPeriods.Count, 20);
Assert.IsFalse(cps.HasInitialStub);
Assert.IsFalse(cps.HasFinalStub);
}
private static InterestRateStream GenerateFixedStreamDefinition(SwapLegParametersRange legParametersRange)
{
var discountingType = legParametersRange.DiscountingType;
InterestRateStream stream;
Discounting discounting = null;
if (discountingType != null && discountingType.ToUpper() != "NONE")
{
discounting = new Discounting {
discountingType = EnumHelper.Parse <DiscountingTypeEnum>(legParametersRange.DiscountingType), discountingTypeSpecified = true
};
stream = InterestRateStreamFactory.CreateFixedRateStream(DiscountingTypeToPayRelativeTo(discounting.discountingType));
}
else
{
stream = InterestRateStreamFactory.CreateFixedRateStream(DiscountingTypeToPayRelativeTo(null));
}
// Set effective and termination dates of the stream.
//
SetEffectiveAndTerminationDates(stream, legParametersRange.EffectiveDate, legParametersRange.MaturityDate, legParametersRange.PaymentBusinessDayAdjustments, legParametersRange.PaymentCalendar);
//Set the FirstRegularPeriodStartDate
SetFirstRegularPeriodStartDate(stream, legParametersRange.FirstRegularPeriodStartDate);
//Set the LastRegularPeriodEndDate
SetLastRegularPeriodEndDate(stream, legParametersRange.LastRegularPeriodEndDate);
// Adjusted or unadjusted swap
//
var dateAdjustments = AdjustedType.Adjusted != legParametersRange.AdjustedType ? BusinessDayAdjustmentsHelper.Create(BusinessDayConventionEnum.NONE, legParametersRange.PaymentCalendar) : BusinessDayAdjustmentsHelper.Create(legParametersRange.PaymentBusinessDayAdjustments, legParametersRange.PaymentCalendar);
stream.calculationPeriodDates.calculationPeriodDatesAdjustments = dateAdjustments;
stream.calculationPeriodDates.calculationPeriodFrequency = CalculationPeriodFrequencyHelper.Parse(legParametersRange.PaymentFrequency, legParametersRange.RollConvention);
//Set FirstPeriodStartDate i.e. Full or Partial period.
if (legParametersRange.FirstCouponType == FirstCouponType.Full)
{
var firstCouponStartDate = new AdjustableDate
{
dateAdjustments = dateAdjustments, id = "FullFirstCoupon"
};
SetFirstPeriodStartDate(stream, firstCouponStartDate);
}
// Set payment dates frequency and adjustments
//
stream.paymentDates.paymentFrequency = PeriodHelper.Parse(legParametersRange.PaymentFrequency).ToFrequency();
stream.paymentDates.paymentDatesAdjustments = BusinessDayAdjustmentsHelper.Create(legParametersRange.PaymentBusinessDayAdjustments, legParametersRange.PaymentCalendar);
Calculation calculation = XsdClassesFieldResolver.CalculationPeriodAmountGetCalculation(stream.calculationPeriodAmount);
// Set discounting type
//
calculation.discounting = discounting;
// Set notional amount (as the initial value in notional schedule)
//
SetNotional(calculation, legParametersRange.NotionalAmount, legParametersRange.Currency);
// Set fixed rate (as the initial value in fixed-rate schedule)
//
Schedule fixedRateSchedule = ScheduleHelper.Create(legParametersRange.CouponOrLastResetRate);
XsdClassesFieldResolver.CalculationSetFixedRateSchedule(calculation, fixedRateSchedule);
// Set the 'day count convention'
//
calculation.dayCountFraction = DayCountFractionHelper.Parse(legParametersRange.DayCount);
// Initial stub
//
//if (paymentCalendar==null)
//{
// paymentCalendar = BusinessCenterHelper.ToBusinessCalendar(cache, stream.paymentDates.paymentDatesAdjustments.businessCenters);
//}
//ProcessStubs(stream, legParametersRange, paymentCalendar);
return(stream);
}
private static InterestRateStream GenerateCapFloorStreamDefinition(CapFloorLegParametersRange legParametersRange)
{
Discounting discounting = null;
InterestRateStream stream;
if (legParametersRange.DiscountingType != null && legParametersRange.DiscountingType.ToUpper() != "NONE")
{
discounting = new Discounting
{
discountingType =
EnumHelper.Parse <DiscountingTypeEnum>(legParametersRange.DiscountingType)
};
stream = InterestRateStreamFactory.CreateFloatingRateStream(DiscountingTypeToPayRelativeTo(discounting.discountingType));
}
// Create the stream object
//
else
{
stream = InterestRateStreamFactory.CreateFloatingRateStream(DiscountingTypeToPayRelativeTo(null));
}
// Set effective and termination dates of the stream.
//
SetEffectiveAndTerminationDates(stream, legParametersRange.EffectiveDate, legParametersRange.MaturityDate, legParametersRange.PaymentBusinessDayAdjustments, legParametersRange.PaymentCalendar);
// Adjusted or unadjusted swap
//
stream.calculationPeriodDates.calculationPeriodDatesAdjustments = AdjustedType.Adjusted != legParametersRange.AdjustedType ? BusinessDayAdjustmentsHelper.Create(BusinessDayConventionEnum.NONE, legParametersRange.PaymentCalendar) : BusinessDayAdjustmentsHelper.Create(legParametersRange.PaymentBusinessDayAdjustments, legParametersRange.PaymentCalendar);
stream.calculationPeriodDates.calculationPeriodFrequency = CalculationPeriodFrequencyHelper.Parse(legParametersRange.PaymentFrequency, legParametersRange.RollConvention);
stream.paymentDates.paymentFrequency = PeriodHelper.Parse(legParametersRange.PaymentFrequency).ToFrequency();
stream.paymentDates.paymentDatesAdjustments = BusinessDayAdjustmentsHelper.Create(legParametersRange.PaymentBusinessDayAdjustments, legParametersRange.PaymentCalendar);
stream.resetDates.fixingDates = RelativeDateOffsetHelper.Create(legParametersRange.PaymentFrequency, DayTypeEnum.Business, BusinessDayConventionEnum.NONE.ToString(), legParametersRange.FixingCalendar, "resetDates");//"NONE" & "resedDates" - hardcoded
stream.resetDates.resetFrequency = ResetFrequencyHelper.Parse(legParametersRange.PaymentFrequency);
stream.resetDates.resetDatesAdjustments = BusinessDayAdjustmentsHelper.Create(legParametersRange.FixingBusinessDayAdjustments, legParametersRange.FixingCalendar);
Calculation calculation = XsdClassesFieldResolver.CalculationPeriodAmountGetCalculation(stream.calculationPeriodAmount);
// Set discounting type
//
calculation.discounting = discounting;
// Set notional amount (as the initial value in notional schedule)
//
SetNotional(calculation, legParametersRange.NotionalAmount, legParametersRange.Currency);
// Set floating rate index name
//
string indexTenor = legParametersRange.PaymentFrequency;
string indexName = legParametersRange.ForecastIndexName;
FloatingRateCalculation floatingRateCalculation = FloatingRateCalculationFactory.Create(indexName, indexTenor, legParametersRange.FloatingRateSpread);
XsdClassesFieldResolver.CalculationSetFloatingRateCalculation(calculation, floatingRateCalculation);
if (legParametersRange.CapOrFloor == CapFloorType.Cap)
{
floatingRateCalculation.capRateSchedule = new[] { new StrikeSchedule() };
floatingRateCalculation.capRateSchedule[0].initialValue = legParametersRange.StrikeRate;
floatingRateCalculation.capRateSchedule[0].buyer = new IdentifiedPayerReceiver {
Value = PayerReceiverEnum.Receiver
};
floatingRateCalculation.capRateSchedule[0].seller = new IdentifiedPayerReceiver {
Value = PayerReceiverEnum.Payer
};
}
else
{
floatingRateCalculation.floorRateSchedule = new[] { new StrikeSchedule() };
floatingRateCalculation.floorRateSchedule[0].initialValue = legParametersRange.StrikeRate;
floatingRateCalculation.floorRateSchedule[0].buyer = new IdentifiedPayerReceiver {
Value = PayerReceiverEnum.Receiver
};
floatingRateCalculation.floorRateSchedule[0].seller = new IdentifiedPayerReceiver {
Value = PayerReceiverEnum.Payer
};
}
// Set day count convention
//
calculation.dayCountFraction = DayCountFractionHelper.Parse(legParametersRange.DayCount);
return(stream);
}
private static InterestRateStream GenerateFloatingStreamDefinition(SwapLegParametersRange legParametersRange)
{
Discounting discounting = null;
InterestRateStream stream;
if (legParametersRange.DiscountingType != null && legParametersRange.DiscountingType.ToUpper() != "NONE")
{
discounting = new Discounting {
discountingType = EnumHelper.Parse <DiscountingTypeEnum>(legParametersRange.DiscountingType)
};
// Create the stream object
stream = InterestRateStreamFactory.CreateFloatingRateStream(DiscountingTypeToPayRelativeTo(discounting.discountingType));
}
else
{
// Create the stream object
//
stream = InterestRateStreamFactory.CreateFloatingRateStream(DiscountingTypeToPayRelativeTo(null));
}
// Set effective and termination dates of the stream.
//
SetEffectiveAndTerminationDates(stream, legParametersRange.EffectiveDate, legParametersRange.MaturityDate, legParametersRange.PaymentBusinessDayAdjustments, legParametersRange.PaymentCalendar);
//Set the FirstRegularPeriodStartDate
SetFirstRegularPeriodStartDate(stream, legParametersRange.FirstRegularPeriodStartDate);
//Set the LastRegularPeriodEndDate
SetLastRegularPeriodEndDate(stream, legParametersRange.LastRegularPeriodEndDate);
// Adjusted or unadjusted swap
//Set the stub period type
var dateAdjustments = AdjustedType.Adjusted != legParametersRange.AdjustedType
? BusinessDayAdjustmentsHelper.Create(BusinessDayConventionEnum.NONE, legParametersRange.PaymentCalendar)
: BusinessDayAdjustmentsHelper.Create(legParametersRange.PaymentBusinessDayAdjustments, legParametersRange.PaymentCalendar);
stream.calculationPeriodDates.calculationPeriodDatesAdjustments = dateAdjustments;
stream.calculationPeriodDates.calculationPeriodFrequency = CalculationPeriodFrequencyHelper.Parse(legParametersRange.PaymentFrequency, legParametersRange.RollConvention);
if (legParametersRange.FirstCouponType == FirstCouponType.Full)
{
var firstCouponStartDate = new AdjustableDate
{
dateAdjustments = dateAdjustments, id = "FullFirstCoupon"
};
SetFirstPeriodStartDate(stream, firstCouponStartDate);
}
//Set the payment dates
stream.paymentDates.paymentFrequency = PeriodHelper.Parse(legParametersRange.PaymentFrequency).ToFrequency();
stream.paymentDates.paymentDatesAdjustments = BusinessDayAdjustmentsHelper.Create(legParametersRange.PaymentBusinessDayAdjustments, legParametersRange.PaymentCalendar);
stream.resetDates.fixingDates = RelativeDateOffsetHelper.Create(legParametersRange.PaymentFrequency, DayTypeEnum.Business, BusinessDayConventionEnum.NONE.ToString(), legParametersRange.FixingCalendar, "resetDates");//"NONE" & "resedDates" - hardcoded
stream.resetDates.resetFrequency = ResetFrequencyHelper.Parse(legParametersRange.PaymentFrequency);
stream.resetDates.resetDatesAdjustments = BusinessDayAdjustmentsHelper.Create(legParametersRange.FixingBusinessDayAdjustments, legParametersRange.FixingCalendar);
Calculation calculation = XsdClassesFieldResolver.CalculationPeriodAmountGetCalculation(stream.calculationPeriodAmount);
// Set discounting type
//
calculation.discounting = discounting;
// Set notional amount (as the initial value in notional schedule)
//
SetNotional(calculation, legParametersRange.NotionalAmount, legParametersRange.Currency);
// Set floating rate index name
//
string indexTenor = legParametersRange.PaymentFrequency;
//string indexName = legParametersRange.ForecastCurve;
string indexName = legParametersRange.ForecastIndexName;
FloatingRateCalculation floatingRateCalculation = FloatingRateCalculationFactory.Create(indexName, indexTenor, legParametersRange.FloatingRateSpread);
XsdClassesFieldResolver.CalculationSetFloatingRateCalculation(calculation, floatingRateCalculation);
// Set day count convention
//
calculation.dayCountFraction = DayCountFractionHelper.Parse(legParametersRange.DayCount);
return(stream);
}
