CurrencyPairs ccyPairs = (CurrencyPairs) inputs.getComputedValue(ValueRequirementNames.CURRENCY_PAIRS).getValue();
SecurityAttributeMapper mapper = DefaultSecurityAttributeMappings.create(ccyPairs);
Security security = target.getPositionOrTrade().getSecurity();
Object result = mapper.valueFor(_attribute, security);
return Collections.singleton(new ComputedValue(getSpec(target), result));
}
private ValueSpecification getSpec(ComputationTarget target) {