/**
* Get the CreditCurveIdentifier with name appended
*
* @param security
*/
private static CreditCurveIdentifier getCreditCurveIdentifier(
final CreditDefaultSwapSecurity security, final String name) {
final CreditCurveIdentifier curveIdentifier =
CreditCurveIdentifier.of(
name + security.getReferenceEntity().getValue(),
security.getNotional().getCurrency(),
security.getDebtSeniority().toString(),
security.getRestructuringClause().toString());
return curveIdentifier;
}
@Override
public Set<ValueRequirement> getRequirements(
final FunctionCompilationContext context,
final ComputationTarget target,
final ValueRequirement desiredValue) {
final LegacyVanillaCDSSecurity cds = (LegacyVanillaCDSSecurity) target.getSecurity();
final Currency ccy = cds.getNotional().getCurrency();
final CreditCurveIdentifier isdaIdentifier = getISDACurveIdentifier(cds);
final CreditCurveIdentifier spreadIdentifier = getSpreadCurveIdentifier(cds);
final String isdaOffset = desiredValue.getConstraint(ISDAFunctionConstants.ISDA_CURVE_OFFSET);
if (isdaOffset == null) {
return null;
}
final String isdaCurveDate = desiredValue.getConstraint(ISDAFunctionConstants.ISDA_CURVE_DATE);
if (isdaCurveDate == null) {
return null;
}
final String isdaCurveMethod =
desiredValue.getConstraint(ISDAFunctionConstants.ISDA_IMPLEMENTATION);
if (isdaCurveMethod == null) {
return null;
}
// isda curve
final ValueProperties isdaProperties =
ValueProperties.builder()
.with(ValuePropertyNames.CURVE, isdaIdentifier.toString())
.with(
ValuePropertyNames.CURVE_CALCULATION_METHOD, ISDAFunctionConstants.ISDA_METHOD_NAME)
.with(ISDAFunctionConstants.ISDA_CURVE_OFFSET, isdaOffset)
.with(ISDAFunctionConstants.ISDA_CURVE_DATE, isdaCurveDate)
.with(ISDAFunctionConstants.ISDA_IMPLEMENTATION, isdaCurveMethod)
.get();
final ValueRequirement isdaRequirment =
new ValueRequirement(
ValueRequirementNames.YIELD_CURVE,
ComputationTargetType.CURRENCY,
ccy.getUniqueId(),
isdaProperties);
final String quoteConvention =
desiredValue.getConstraint(ISDAFunctionConstants.CDS_QUOTE_CONVENTION);
if (quoteConvention == null) {
return null;
}
final String bucketTenors =
desiredValue.getConstraint(ISDAFunctionConstants.ISDA_BUCKET_TENORS);
if (bucketTenors == null) {
return null;
}
// market spreads
final ValueProperties spreadProperties =
ValueProperties.builder()
.with(ISDAFunctionConstants.CDS_QUOTE_CONVENTION, quoteConvention)
.with(
ValuePropertyNames.CURVE_CALCULATION_METHOD, ISDAFunctionConstants.ISDA_METHOD_NAME)
.with(ISDAFunctionConstants.ISDA_CURVE_OFFSET, isdaOffset)
.with(ISDAFunctionConstants.ISDA_CURVE_DATE, isdaCurveDate)
.with(ISDAFunctionConstants.ISDA_IMPLEMENTATION, isdaCurveMethod)
.with(ISDAFunctionConstants.ISDA_BUCKET_TENORS, bucketTenors)
.get();
final ValueRequirement spreadRequirment =
new ValueRequirement(
ValueRequirementNames.BUCKETED_SPREADS, target.toSpecification(), spreadProperties);
final ValueRequirement pillarRequirment =
new ValueRequirement(
ValueRequirementNames.PILLAR_SPREADS, target.toSpecification(), spreadProperties);
final ValueRequirement creditCurveRequirement =
new ValueRequirement(
ValueRequirementNames.HAZARD_RATE_CURVE, target.toSpecification(), spreadProperties);
// get individual spread for this cds (ignore business day adjustment on either)
final Period period =
Period.between(
cds.getStartDate().toLocalDate().withDayOfMonth(20),
cds.getMaturityDate().toLocalDate().withDayOfMonth(20));
final ValueRequirement cdsSpreadRequirement =
new ValueRequirement(
MarketDataRequirementNames.MARKET_VALUE,
ComputationTargetType.PRIMITIVE,
ExternalId.of("Tenor", period.toString()));
final CdsRecoveryRateIdentifier recoveryRateIdentifier =
cds.accept(new CreditSecurityToRecoveryRateVisitor(context.getSecuritySource()));
final ValueRequirement recoveryRateRequirement =
new ValueRequirement(
"PX_LAST", ComputationTargetType.PRIMITIVE, recoveryRateIdentifier.getExternalId());
return Sets.newHashSet(
isdaRequirment,
spreadRequirment,
cdsSpreadRequirement,
creditCurveRequirement,
pillarRequirment,
recoveryRateRequirement);
}
