}
@Override
public Set<ComputedValue> execute(final FunctionExecutionContext executionContext, final FunctionInputs inputs, final ComputationTarget target,
final Set<ValueRequirement> desiredValues) throws AsynchronousExecution {
final ConventionBundleSource conventionSource = OpenGammaExecutionContext.getConventionBundleSource(executionContext);
final Clock snapshotClock = executionContext.getValuationClock();
final ZonedDateTime now = ZonedDateTime.now(snapshotClock);
final HistoricalTimeSeriesBundle timeSeries = HistoricalTimeSeriesFunctionUtils.getHistoricalTimeSeriesInputs(executionContext, inputs);
final Trade trade = target.getTrade();
final ValueRequirement desiredValue = desiredValues.iterator().next();
final String curveCalculationConfigName = desiredValue.getConstraint(ValuePropertyNames.CURVE_CALCULATION_CONFIG);
final ConfigSource configSource = OpenGammaExecutionContext.getConfigSource(executionContext);
final ConfigDBCurveCalculationConfigSource curveCalculationConfigSource = new ConfigDBCurveCalculationConfigSource(configSource);
final MultiCurveCalculationConfig curveCalculationConfig = curveCalculationConfigSource.getConfig(curveCalculationConfigName);
if (curveCalculationConfig == null) {
throw new OpenGammaRuntimeException("Could not find curve calculation configuration named " + curveCalculationConfigName);
}
final String[] curveNames = curveCalculationConfig.getYieldCurveNames();
final YieldCurveBundle curves = YieldCurveFunctionUtils.getAllYieldCurves(inputs, curveCalculationConfig, curveCalculationConfigSource);
final Currency currency = FinancialSecurityUtils.getCurrency(trade.getSecurity());
final String conventionName = currency.getCode() + "_IR_FUTURE";
final ConventionBundle convention = conventionSource.getConventionBundle(ExternalId.of(InMemoryConventionBundleMaster.SIMPLE_NAME_SCHEME, conventionName));
if (convention == null) {
throw new OpenGammaRuntimeException("Could not get convention named " + conventionName);
}
final DayCount dayCount = convention.getDayCount();
if (dayCount == null) {