@Override
public Set<ComputedValue> execute(
final FunctionExecutionContext executionContext,
final FunctionInputs inputs,
final ComputationTarget target,
final Set<ValueRequirement> desiredValues) {
final Object positionOrNode = getTarget(target);
final ConventionBundleSource conventionSource =
OpenGammaExecutionContext.getConventionBundleSource(executionContext);
final ConventionBundle bundle =
conventionSource.getConventionBundle(
ExternalId.of(InMemoryConventionBundleMaster.SIMPLE_NAME_SCHEME, "USD_CAPM"));
final Clock snapshotClock = executionContext.getValuationClock();
final LocalDate now = snapshotClock.zonedDateTime().toLocalDate();
final ValueRequirement desiredValue = desiredValues.iterator().next();
final ValueProperties constraints = desiredValue.getConstraints();
final Period samplingPeriod =
getSamplingPeriod(constraints.getValues(ValuePropertyNames.SAMPLING_PERIOD));
final LocalDate startDate = now.minus(samplingPeriod);
final HistoricalTimeSeries riskFreeRateTSObject =
(HistoricalTimeSeries) inputs.getValue(ValueRequirementNames.HISTORICAL_TIME_SERIES);
final Object assetPnLObject =
inputs.getValue(
new ValueRequirement(
ValueRequirementNames.PNL_SERIES,
positionOrNode)); // TODO replace with return series when portfolio weights are in
if (assetPnLObject == null) {
throw new OpenGammaRuntimeException("Asset P&L was null");
}
final Object assetFairValueObject =
inputs.getValue(new ValueRequirement(ValueRequirementNames.FAIR_VALUE, positionOrNode));
if (assetFairValueObject == null) {
throw new OpenGammaRuntimeException("Asset fair value was null");
}
final Object betaObject =
inputs.getValue(new ValueRequirement(ValueRequirementNames.CAPM_BETA, positionOrNode));
if (betaObject == null) {
throw new OpenGammaRuntimeException("Beta was null");
}
final double beta = (Double) betaObject;
final double fairValue = (Double) assetFairValueObject;
DoubleTimeSeries<?> assetReturnTS = ((DoubleTimeSeries<?>) assetPnLObject).divide(fairValue);
DoubleTimeSeries<?> riskFreeReturnTS =
riskFreeRateTSObject.getTimeSeries().divide(100 * DAYS_PER_YEAR);
DoubleTimeSeries<?>[] series = TimeSeriesIntersector.intersect(riskFreeReturnTS, assetReturnTS);
riskFreeReturnTS = series[0];
assetReturnTS = series[1];
final TreynorRatioCalculator calculator =
getCalculator(constraints.getValues(ValuePropertyNames.EXCESS_RETURN_CALCULATOR));
final double ratio = calculator.evaluate(assetReturnTS, riskFreeReturnTS, beta);
final ValueProperties resultProperties = getResultProperties(desiredValues.iterator().next());
return Sets.newHashSet(
new ComputedValue(
new ValueSpecification(
new ValueRequirement(
ValueRequirementNames.TREYNOR_RATIO, positionOrNode, resultProperties),
getUniqueId()),
ratio));
}
@SuppressWarnings("unchecked")
@Override
public Set<ComputedValue> execute(
final FunctionExecutionContext executionContext,
final FunctionInputs inputs,
final ComputationTarget target,
final Set<ValueRequirement> desiredValues) {
final HistoricalTimeSeriesSource timeSeriesSource =
OpenGammaExecutionContext.getHistoricalTimeSeriesSource(executionContext);
final ValueRequirement desiredValue = desiredValues.iterator().next();
Object value = timeSeriesSource.getLatestDataPoint(target.getUniqueId());
if (value == null) {
value = MissingMarketDataSentinel.getInstance();
} else {
final String adjusterString =
desiredValue.getConstraint(HistoricalTimeSeriesFunctionUtils.ADJUST_PROPERTY);
final HistoricalTimeSeriesAdjustment htsa =
HistoricalTimeSeriesAdjustment.parse(adjusterString);
value = htsa.adjust(((Pair<LocalDate, Double>) value).getValue());
}
return Collections.singleton(
new ComputedValue(
new ValueSpecification(
desiredValue.getValueName(),
desiredValue.getTargetSpecification(),
desiredValue.getConstraints()),
value));
}
@Override
public Set<ValueRequirement> getRequirements(
final FunctionCompilationContext context,
final ComputationTarget target,
final ValueRequirement desiredValue) {
final Set<String> curves = desiredValue.getConstraints().getValues(ValuePropertyNames.CURVE);
final Set<String> curveCalcConfigs =
desiredValue.getConstraints().getValues(ValuePropertyNames.CURVE_CALCULATION_CONFIG);
if ((curves == null) || (curves.size() != 1)) {
s_logger.warn("no curve specified");
// Can't support an unbound request; an injection function must be used (or declare all as
// optional and use [PLAT-1771])
return null;
}
if ((curveCalcConfigs == null) || (curveCalcConfigs.size() != 1)) {
s_logger.warn("no curve config specified");
return null;
}
final String curve = curves.iterator().next();
final String curveCalcConfig = curveCalcConfigs.iterator().next();
final Set<ValueRequirement> requirements = Sets.newHashSet();
requirements.add(getCurveRequirement(target, curve, curveCalcConfig));
requirements.add(getCurveSpecRequirement(target, curve));
requirements.addAll(
getSensitivityRequirements(
context.getSecuritySource(), (RawSecurity) target.getSecurity()));
return requirements;
}
private static List<RequirementBasedColumnKey> getRequirements(
ViewDefinition viewDefinition, EnumSet<ComputationTargetType> targetTypes) {
List<RequirementBasedColumnKey> result = new ArrayList<RequirementBasedColumnKey>();
for (ViewCalculationConfiguration calcConfig :
viewDefinition.getAllCalculationConfigurations()) {
String calcConfigName = calcConfig.getName();
if (targetTypes.contains(ComputationTargetType.POSITION)
|| targetTypes.contains(ComputationTargetType.PORTFOLIO_NODE)) {
for (Pair<String, ValueProperties> portfolioOutput :
calcConfig.getAllPortfolioRequirements()) {
String valueName = portfolioOutput.getFirst();
ValueProperties constraints = portfolioOutput.getSecond();
RequirementBasedColumnKey columnKey =
new RequirementBasedColumnKey(calcConfigName, valueName, constraints);
result.add(columnKey);
}
}
for (ValueRequirement specificRequirement : calcConfig.getSpecificRequirements()) {
if (!targetTypes.contains(specificRequirement.getTargetSpecification().getType())) {
continue;
}
String valueName = specificRequirement.getValueName();
ValueProperties constraints = specificRequirement.getConstraints();
RequirementBasedColumnKey columnKey =
new RequirementBasedColumnKey(calcConfigName, valueName, constraints);
result.add(columnKey);
}
}
return result;
}
@Override
public Set<ComputedValue> execute(
final FunctionExecutionContext executionContext,
final FunctionInputs inputs,
final ComputationTarget target,
final Set<ValueRequirement> desiredValues) {
double parentValue = 0;
double targetValue = 0;
final UniqueId targetIdentifier = target.getUniqueId();
for (final ComputedValue c : inputs.getAllValues()) {
if (targetIdentifier.equals(c.getSpecification().getTargetSpecification().getUniqueId())) {
targetValue = (Double) c.getValue();
} else {
parentValue = (Double) c.getValue();
}
}
final ValueRequirement desiredValue = desiredValues.iterator().next();
return Collections.singleton(
new ComputedValue(
new ValueSpecification(
ValueRequirementNames.WEIGHT,
target.toSpecification(),
desiredValue.getConstraints()),
targetValue / parentValue));
}
@Override
public Set<ComputedValue> execute(
final FunctionExecutionContext executionContext,
final FunctionInputs inputs,
final ComputationTarget target,
final Set<ValueRequirement> desiredValues) {
final ValueRequirement desiredValue = desiredValues.iterator().next();
final String surfaceName = desiredValue.getConstraint(SURFACE);
final Object interpolatorObject =
inputs.getValue(getInterpolatorRequirement(target, desiredValue));
if (interpolatorObject == null) {
throw new OpenGammaRuntimeException("Could not get volatility surface interpolator");
}
final VolatilitySurfaceInterpolator surfaceInterpolator =
(VolatilitySurfaceInterpolator) interpolatorObject;
final SmileSurfaceDataBundle data =
getData(
inputs,
getVolatilityDataRequirement(
target,
surfaceName,
getInstrumentType(),
getSurfaceQuoteType(),
getSurfaceQuoteUnits()),
getForwardCurveRequirement(target, desiredValue));
final BlackVolatilitySurfaceMoneyness impliedVolatilitySurface =
surfaceInterpolator.getVolatilitySurface(data);
final ValueProperties properties = getResultProperties(desiredValue);
final ValueSpecification spec =
new ValueSpecification(
ValueRequirementNames.BLACK_VOLATILITY_SURFACE, target.toSpecification(), properties);
return Collections.singleton(new ComputedValue(spec, impliedVolatilitySurface));
}
@Override
public Set<ValueRequirement> getRequirements(
final FunctionCompilationContext context,
final ComputationTarget target,
final ValueRequirement desiredValue) {
Set<String> values =
desiredValue.getConstraints().getValues(HistoricalTimeSeriesFunctionUtils.ADJUST_PROPERTY);
if ((values == null) || values.isEmpty()) {
return Collections.singleton(
new ValueRequirement(
ValueRequirementNames.HISTORICAL_TIME_SERIES_LATEST,
target.toSpecification(),
desiredValue
.getConstraints()
.copy()
.withoutAny(HistoricalTimeSeriesFunctionUtils.ADJUST_PROPERTY)
.with(HistoricalTimeSeriesFunctionUtils.ADJUST_PROPERTY, "")
.get()));
} else if (values.size() > 1) {
return Collections.singleton(
new ValueRequirement(
ValueRequirementNames.HISTORICAL_TIME_SERIES_LATEST,
target.toSpecification(),
desiredValue
.getConstraints()
.copy()
.withoutAny(HistoricalTimeSeriesFunctionUtils.ADJUST_PROPERTY)
.with(HistoricalTimeSeriesFunctionUtils.ADJUST_PROPERTY, values.iterator().next())
.get()));
}
return Collections.emptySet();
}
@Override
public Set<ComputedValue> execute(
final FunctionExecutionContext executionContext,
final FunctionInputs inputs,
final ComputationTarget target,
final Set<ValueRequirement> desiredValues) {
final ValueRequirement desiredValue = desiredValues.iterator().next();
final String curveName = desiredValue.getConstraint(ValuePropertyNames.CURVE);
final String interpolatorName =
desiredValue.getConstraint(
ForwardCurveValuePropertyNames.PROPERTY_FORWARD_CURVE_INTERPOLATOR);
final String leftExtrapolatorName =
desiredValue.getConstraint(
ForwardCurveValuePropertyNames.PROPERTY_FORWARD_CURVE_LEFT_EXTRAPOLATOR);
final String rightExtrapolatorName =
desiredValue.getConstraint(
ForwardCurveValuePropertyNames.PROPERTY_FORWARD_CURVE_RIGHT_EXTRAPOLATOR);
final Object objectFuturePriceData =
inputs.getValue(ValueRequirementNames.FUTURE_PRICE_CURVE_DATA);
if (objectFuturePriceData == null) {
throw new OpenGammaRuntimeException("Could not get futures curve " + curveName);
}
final NodalDoublesCurve futurePriceData = (NodalDoublesCurve) objectFuturePriceData;
final Interpolator1D interpolator =
CombinedInterpolatorExtrapolatorFactory.getInterpolator(
interpolatorName, leftExtrapolatorName, rightExtrapolatorName);
final ForwardCurve curve =
new ForwardCurve(
InterpolatedDoublesCurve.from(
futurePriceData.getXData(), futurePriceData.getYData(), interpolator));
final ValueProperties properties =
createValueProperties()
.with(
ForwardCurveValuePropertyNames.PROPERTY_FORWARD_CURVE_CALCULATION_METHOD,
ForwardCurveValuePropertyNames.PROPERTY_FUTURE_PRICE_METHOD)
.with(ValuePropertyNames.CURVE, curveName)
.with(
ForwardCurveValuePropertyNames.PROPERTY_FORWARD_CURVE_INTERPOLATOR,
interpolatorName)
.with(
ForwardCurveValuePropertyNames.PROPERTY_FORWARD_CURVE_LEFT_EXTRAPOLATOR,
leftExtrapolatorName)
.with(
ForwardCurveValuePropertyNames.PROPERTY_FORWARD_CURVE_RIGHT_EXTRAPOLATOR,
rightExtrapolatorName)
.with(
InstrumentTypeProperties.PROPERTY_SURFACE_INSTRUMENT_TYPE,
InstrumentTypeProperties.EQUITY_FUTURE_PRICE)
.get();
final ValueSpecification resultSpec =
new ValueSpecification(
ValueRequirementNames.FORWARD_CURVE, target.toSpecification(), properties);
return Collections.singleton(new ComputedValue(resultSpec, curve));
}
@Override
public Set<ComputedValue> execute(
final FunctionExecutionContext executionContext,
final FunctionInputs inputs,
final ComputationTarget target,
final Set<ValueRequirement> desiredValues) {
String curveName = null;
String curveCalculationConfig = null;
for (final ValueRequirement requirement : desiredValues) {
final ValueProperties constraints = requirement.getConstraints();
final Set<String> values = constraints.getValues(ValuePropertyNames.CURVE);
if (values != null) {
curveName = values.iterator().next();
}
final Set<String> curveConfigValues =
constraints.getValues(ValuePropertyNames.CURVE_CALCULATION_CONFIG);
if (curveConfigValues != null) {
curveCalculationConfig = curveConfigValues.iterator().next();
}
}
assert curveName != null;
assert curveCalculationConfig != null;
final RawSecurity security = (RawSecurity) target.getSecurity();
// final BigDecimal qty = target.getPosition().getQuantity();
final ValueRequirement curveRequirement =
getCurveRequirement(target, curveName, curveCalculationConfig);
final Object curveObject = inputs.getValue(curveRequirement);
if (curveObject == null) {
throw new OpenGammaRuntimeException("Could not get " + curveRequirement);
}
Object curveSpecObject = null;
final ValueRequirement curveSpecRequirement = getCurveSpecRequirement(target, curveName);
curveSpecObject = inputs.getValue(curveSpecRequirement);
if (curveSpecObject == null) {
throw new OpenGammaRuntimeException("Could not get " + curveSpecRequirement);
}
final YieldAndDiscountCurve curve = (YieldAndDiscountCurve) curveObject;
final InterpolatedYieldCurveSpecificationWithSecurities curveSpec =
(InterpolatedYieldCurveSpecificationWithSecurities) curveSpecObject;
final LinkedHashMap<String, YieldAndDiscountCurve> interpolatedCurves =
new LinkedHashMap<String, YieldAndDiscountCurve>();
interpolatedCurves.put(curveName, curve);
final YieldCurveBundle bundle = new YieldCurveBundle(interpolatedCurves);
final DoubleMatrix1D sensitivitiesForCurves =
getSensitivities(executionContext.getSecuritySource(), inputs, security, curveSpec, curve);
final ValueProperties.Builder properties =
createValueProperties(target)
.with(ValuePropertyNames.CURVE, curveName)
.with(ValuePropertyNames.CURVE_CALCULATION_CONFIG, curveCalculationConfig);
final ComputationTargetSpecification targetSpec = target.toSpecification();
final ValueSpecification resultSpec =
new ValueSpecification(YCNS_REQUIREMENT, targetSpec, properties.get());
final Set<ComputedValue> results =
YieldCurveNodeSensitivitiesHelper.getInstrumentLabelledSensitivitiesForCurve(
curveName, bundle, sensitivitiesForCurves, curveSpec, resultSpec);
// s_logger.debug("execute, returning " + results);
return results;
}
@Override
public Set<ComputedValue> execute(
final FunctionExecutionContext executionContext,
final FunctionInputs inputs,
final ComputationTarget target,
final Set<ValueRequirement> desiredValues) {
final Clock snapshotClock = executionContext.getValuationClock();
final ZonedDateTime now = snapshotClock.zonedDateTime();
final FinancialSecurity security = (FinancialSecurity) target.getSecurity();
final Currency payCurrency, receiveCurrency;
if (security instanceof FXForwardSecurity) {
final FXForwardSecurity forward = (FXForwardSecurity) security;
payCurrency = forward.getPayCurrency();
receiveCurrency = forward.getReceiveCurrency();
} else {
final NonDeliverableFXForwardSecurity ndf = (NonDeliverableFXForwardSecurity) security;
payCurrency = ndf.getPayCurrency();
receiveCurrency = ndf.getReceiveCurrency();
}
final ForexDefinition definition = (ForexDefinition) security.accept(VISITOR);
final ValueRequirement desiredValue = desiredValues.iterator().next();
final String payCurveName = desiredValue.getConstraint(ValuePropertyNames.PAY_CURVE);
final String receiveCurveName = desiredValue.getConstraint(ValuePropertyNames.RECEIVE_CURVE);
final String payCurveConfig = desiredValue.getConstraint(PAY_CURVE_CALC_CONFIG);
final String receiveCurveConfig = desiredValue.getConstraint(RECEIVE_CURVE_CALC_CONFIG);
final String fullPutCurveName = payCurveName + "_" + payCurrency.getCode();
final String fullCallCurveName = receiveCurveName + "_" + receiveCurrency.getCode();
final YieldAndDiscountCurve payFundingCurve =
getCurve(inputs, payCurrency, payCurveName, payCurveConfig);
final YieldAndDiscountCurve receiveFundingCurve =
getCurve(inputs, receiveCurrency, receiveCurveName, receiveCurveConfig);
final YieldAndDiscountCurve[] curves;
final Map<String, Currency> curveCurrency = new HashMap<String, Currency>();
curveCurrency.put(fullPutCurveName, payCurrency);
curveCurrency.put(fullCallCurveName, receiveCurrency);
final String[] allCurveNames;
if (FXUtils.isInBaseQuoteOrder(
payCurrency, receiveCurrency)) { // To get Base/quote in market standard order.
curves = new YieldAndDiscountCurve[] {payFundingCurve, receiveFundingCurve};
allCurveNames = new String[] {fullPutCurveName, fullCallCurveName};
} else {
curves = new YieldAndDiscountCurve[] {receiveFundingCurve, payFundingCurve};
allCurveNames = new String[] {fullCallCurveName, fullPutCurveName};
}
final YieldCurveBundle yieldCurves = new YieldCurveBundle(allCurveNames, curves);
final ValueProperties.Builder properties =
getResultProperties(
payCurveName, receiveCurveName, payCurveConfig, receiveCurveConfig, target);
final ValueSpecification spec =
new ValueSpecification(
ValueRequirementNames.VALUE_THETA, target.toSpecification(), properties.get());
final ConstantSpreadHorizonThetaCalculator calculator =
ConstantSpreadHorizonThetaCalculator.getInstance();
final MultipleCurrencyAmount theta =
calculator.getTheta(definition, now, allCurveNames, yieldCurves, DAYS_TO_MOVE_FORWARD);
return Collections.singleton(new ComputedValue(spec, theta));
}
/**
* Respecifies the properties to match a tighter requirement.
*
* <p>This adds a new requirement to the specification. It requires {@code
* requirement.isSatisfiedBy(this) == true}.
*
* @param requirement additional requirement to reduce properties against
* @return the value specification based on this with the additional requirement added, not null
*/
public ValueSpecification compose(final ValueRequirement requirement) {
assert requirement.isSatisfiedBy(this);
final ValueProperties oldProperties = getProperties();
final ValueProperties newProperties = oldProperties.compose(requirement.getConstraints());
if (newProperties == oldProperties) {
return this;
} else {
return new ValueSpecification(getValueName(), getTargetSpecification(), newProperties);
}
}
@Override
public Set<ValueSpecification> getResults(
final FunctionCompilationContext context,
final ComputationTarget target,
final Map<ValueSpecification, ValueRequirement> inputs) {
if (inputs.size() == 1) {
final ValueSpecification input = Iterables.getOnlyElement(inputs.keySet());
if (ValueRequirementNames.PNL_SERIES.equals(input.getValueName())) {
return Collections.singleton(input);
}
}
final FXForwardSecurity security = (FXForwardSecurity) target.getPosition().getSecurity();
final CurrencyPair currencyPair =
_currencyPairs.getCurrencyPair(security.getPayCurrency(), security.getReceiveCurrency());
if (currencyPair == null) {
return null;
}
final Currency currencyBase = currencyPair.getBase();
String resultCurrency = null;
final ValueProperties.Builder builder = createValueProperties();
for (final Map.Entry<ValueSpecification, ValueRequirement> entry : inputs.entrySet()) {
final ValueSpecification inputSpec = entry.getKey();
final ValueRequirement inputReq = entry.getValue();
if (inputReq.getValueName().equals(RETURN_SERIES)) {
final Set<String> resultCurrencies = inputReq.getConstraints().getValues(CURRENCY);
if (resultCurrencies != null && resultCurrencies.size() == 1) {
resultCurrency = inputReq.getConstraint(CURRENCY);
} else {
resultCurrency = currencyBase.getCode();
}
}
for (final String propertyName : inputSpec.getProperties().getProperties()) {
if (ValuePropertyNames.FUNCTION.equals(propertyName)) {
continue;
}
final Set<String> values = inputSpec.getProperties().getValues(propertyName);
if (values == null || values.isEmpty()) {
builder.withAny(propertyName);
} else {
builder.with(propertyName, values);
}
}
}
if (resultCurrency == null) {
return null;
}
builder
.with(ValuePropertyNames.CURRENCY, resultCurrency)
.with(
ValuePropertyNames.PROPERTY_PNL_CONTRIBUTIONS,
ValueRequirementNames.FX_CURRENCY_EXPOSURE);
return ImmutableSet.of(
new ValueSpecification(
ValueRequirementNames.PNL_SERIES, target.toSpecification(), builder.get()));
}
/**
* Creates a new specification to satisfy the given requirement.
*
* <p>The properties must include the function identifier and be able to satisfy the constraints
* of the original requirement.
*
* @param requirementSpecification a requirement, not null
* @param properties the value properties, not null and must include the function identifier
*/
public ValueSpecification(
final ValueRequirement requirementSpecification, final ValueProperties properties) {
ArgumentChecker.notNull(requirementSpecification, "requirementSpecification");
ArgumentChecker.notNull(properties, "properties");
ArgumentChecker.notNull(
properties.getValues(ValuePropertyNames.FUNCTION), "properties.FUNCTION");
assert requirementSpecification.getConstraints().isSatisfiedBy(properties);
// requirement specification interns its valueName
_valueName = requirementSpecification.getValueName();
_targetSpecification = requirementSpecification.getTargetSpecification();
_properties = properties;
}
/**
* Simplifies the type based on the associated {@link ComputationTargetResolver}.
*
* @param valueReq the requirement to process, not null
* @return the possibly simplified requirement, not null
*/
public ValueRequirement simplifyType(final ValueRequirement valueReq) {
final ComputationTargetReference oldTargetRef = valueReq.getTargetReference();
final ComputationTargetReference newTargetRef =
ComputationTargetResolverUtils.simplifyType(
oldTargetRef, getCompilationContext().getComputationTargetResolver());
if (newTargetRef == oldTargetRef) {
return valueReq;
} else {
return MemoryUtils.instance(
new ValueRequirement(valueReq.getValueName(), newTargetRef, valueReq.getConstraints()));
}
}
@Override
protected PresentValueNodeSensitivityCalculator getNodeSensitivityCalculator(
final ValueRequirement desiredValue) {
final Double cutoff =
Double.parseDouble(
desiredValue.getConstraint(SABRRightExtrapolationFunction.PROPERTY_CUTOFF_STRIKE));
final Double mu =
Double.parseDouble(
desiredValue.getConstraint(
SABRRightExtrapolationFunction.PROPERTY_TAIL_THICKNESS_PARAMETER));
return PresentValueNodeSensitivityCalculator.using(
new PresentValueCurveSensitivitySABRExtrapolationCalculator(cutoff, mu));
}
private ValueProperties getResultProperties(final ValueRequirement desiredValue) {
return createValueProperties()
.with(
ValuePropertyNames.SAMPLING_PERIOD,
desiredValue.getConstraint(ValuePropertyNames.SAMPLING_PERIOD))
.with(
ValuePropertyNames.SCHEDULE_CALCULATOR,
desiredValue.getConstraint(ValuePropertyNames.SCHEDULE_CALCULATOR))
.with(
ValuePropertyNames.SAMPLING_FUNCTION,
desiredValue.getConstraint(ValuePropertyNames.SAMPLING_FUNCTION))
.with(
ValuePropertyNames.RETURN_CALCULATOR,
desiredValue.getConstraint(ValuePropertyNames.RETURN_CALCULATOR))
.with(
ValuePropertyNames.STD_DEV_CALCULATOR,
desiredValue.getConstraint(ValuePropertyNames.STD_DEV_CALCULATOR))
.with(
ValuePropertyNames.EXCESS_RETURN_CALCULATOR,
desiredValue.getConstraint(ValuePropertyNames.EXCESS_RETURN_CALCULATOR))
.with(
ValuePropertyNames.COVARIANCE_CALCULATOR,
desiredValue.getConstraint(ValuePropertyNames.COVARIANCE_CALCULATOR))
.with(
ValuePropertyNames.VARIANCE_CALCULATOR,
desiredValue.getConstraint(ValuePropertyNames.VARIANCE_CALCULATOR))
.get();
}
/**
* Creates a new specification to satisfy the the given requirement.
*
* <p>The properties of the new specification are the constraints from the requirement with the
* function identifier added.
*
* @param requirementSpecification a value requirement, not null
* @param functionIdentifier the unique identifier of the function producing this value, not null
*/
public ValueSpecification(
final ValueRequirement requirementSpecification, final String functionIdentifier) {
ArgumentChecker.notNull(requirementSpecification, "requirementSpecification");
ArgumentChecker.notNull(functionIdentifier, "functionIdentifier");
// requirement specification interns its valueName
_valueName = requirementSpecification.getValueName();
_targetSpecification = requirementSpecification.getTargetSpecification();
_properties =
requirementSpecification
.getConstraints()
.copy()
.with(ValuePropertyNames.FUNCTION, functionIdentifier)
.get();
}
@Override
protected LocalDateDoubleTimeSeries getReturnSeries(
LocalDateDoubleTimeSeries ts, ValueRequirement desiredValue) {
LocalDateDoubleTimeSeries differenceSeries = super.getReturnSeries(ts, desiredValue);
double lambda =
Double.parseDouble(
desiredValue.getConstraint(
VolatilityWeightingFunctionUtils.VOLATILITY_WEIGHTING_LAMBDA_PROPERTY));
TimeSeriesWeightedVolatilityOperator weightedVol =
new TimeSeriesWeightedVolatilityOperator(lambda);
LocalDateDoubleTimeSeries weightedVolSeries =
(LocalDateDoubleTimeSeries) weightedVol.evaluate(ts);
int n = weightedVolSeries.size();
double endDateWeightedVol = weightedVolSeries.getLatestValueFast();
double[] volWeightedDifferences = new double[n];
for (int i = 0; i < n; i++) {
System.out.println(
differenceSeries.getTimeAtIndex(i)
+ ","
+ differenceSeries.getValueAtIndexFast(i)
+ ","
+ weightedVolSeries.getValueAtIndexFast(i));
volWeightedDifferences[i] =
differenceSeries.getValueAtIndexFast(i)
* endDateWeightedVol
/ weightedVolSeries.getValueAtIndexFast(i);
}
LocalDateDoubleTimeSeries volWeightedDifferenceSeries =
ImmutableLocalDateDoubleTimeSeries.of(
weightedVolSeries.timesArrayFast(), volWeightedDifferences);
return volWeightedDifferenceSeries;
}
@Override
public Set<ValueRequirement> getRequirements(
final FunctionCompilationContext context,
final ComputationTarget target,
final ValueRequirement desiredValue) {
final ValueProperties constraints = desiredValue.getConstraints();
final Set<String> forwardCurveCalculationMethods =
constraints.getValues(CURVE_CALCULATION_METHOD);
if (forwardCurveCalculationMethods == null || forwardCurveCalculationMethods.size() != 1) {
return null;
}
final Set<String> surfaceNames = constraints.getValues(SURFACE);
if (surfaceNames == null || surfaceNames.size() != 1) {
return null;
}
final String surfaceName = surfaceNames.iterator().next();
final ValueRequirement forwardCurveRequirement =
getForwardCurveRequirement(target, desiredValue);
final ValueRequirement volatilitySurfaceRequirement =
getVolatilityDataRequirement(
target,
surfaceName,
getInstrumentType(),
getSurfaceQuoteType(),
getSurfaceQuoteUnits());
final ValueRequirement interpolatorRequirement =
getInterpolatorRequirement(target, desiredValue);
return Sets.newHashSet(
interpolatorRequirement, forwardCurveRequirement, volatilitySurfaceRequirement);
}
@Override
public Set<ValueRequirement> getRequirements(
final FunctionCompilationContext context,
final ComputationTarget target,
final ValueRequirement desiredValue) {
final ValueProperties constraints = desiredValue.getConstraints();
final Set<String> curveNames = constraints.getValues(CURVE);
if (curveNames == null || curveNames.size() != 1) {
return null;
}
final Set<String> curveExposureConfigs = constraints.getValues(CURVE_EXPOSURES);
if (curveExposureConfigs == null) {
return null;
}
final Set<String> curveType = constraints.getValues(PROPERTY_CURVE_TYPE);
if (curveType == null) {
return null;
}
if (super.getRequirements(context, target, desiredValue) == null) {
return null;
}
final Set<ValueRequirement> requirements = new HashSet<>();
final ValueProperties curveProperties = ValueProperties.with(CURVE, curveNames).get();
final ValueProperties properties =
ValueProperties.with(PROPERTY_CURVE_TYPE, curveType)
.with(CURVE_EXPOSURES, curveExposureConfigs)
.get();
requirements.add(
new ValueRequirement(
CURVE_DEFINITION, ComputationTargetSpecification.NULL, curveProperties));
requirements.add(
new ValueRequirement(BLOCK_CURVE_SENSITIVITIES, target.toSpecification(), properties));
return requirements;
}
@Override
protected Object getResult(
final InstrumentDerivative derivative,
final SABRInterestRateDataBundle data,
final ValueRequirement desiredValue) {
final Double cutoff =
Double.parseDouble(
desiredValue.getConstraint(SABRRightExtrapolationFunction.PROPERTY_CUTOFF_STRIKE));
final Double mu =
Double.parseDouble(
desiredValue.getConstraint(
SABRRightExtrapolationFunction.PROPERTY_TAIL_THICKNESS_PARAMETER));
final PresentValueSABRSensitivitySABRRightExtrapolationCalculator calculator =
new PresentValueSABRSensitivitySABRRightExtrapolationCalculator(cutoff, mu);
return getResultAsMatrix(derivative.accept(calculator, data));
}
@Override
public Set<ValueRequirement> getRequirements(
final FunctionCompilationContext context,
final ComputationTarget target,
final ValueRequirement desiredValue) {
final ValueProperties constraints = desiredValue.getConstraints();
Set<String> values = constraints.getValues(VALUE_PROPERTY_NAME);
final String inputValue;
if ((values == null) || values.isEmpty()) {
inputValue = DEFAULT_VALUE_NAME;
} else if (values.size() == 1) {
inputValue = values.iterator().next();
} else {
return null;
}
// Propogate the desired value constraints onto the requirements, removing those specific to
// this function and adding a unit homogeneity clause
final ValueProperties.Builder requirementConstraintsBuilder =
constraints.copy().withoutAny(VALUE_PROPERTY_NAME);
for (String unit : UnitProperties.unitPropertyNames()) {
values = constraints.getValues(unit);
if (values == null) {
// Unit was not specified on the output, but we specify it on the inputs so we can check
// homogeneity to ensure the division is valid
requirementConstraintsBuilder.withOptional(unit);
}
}
// Request value on the value and parent
final ValueProperties requirementConstraints = requirementConstraintsBuilder.get();
return ImmutableSet.of(
new ValueRequirement(inputValue, getValueTarget(target), requirementConstraints),
new ValueRequirement(inputValue, getParentTarget(target), requirementConstraints));
}
public Set<ValueRequirement> getRequirements(
final FunctionCompilationContext context,
final ComputationTarget target,
final ValueRequirement desiredValue) {
Set<ValueRequirement> superReqs = super.getRequirements(context, target, desiredValue);
if (superReqs == null) {
return null;
}
// Test constraints are provided, else set to ""
final ValueProperties constraints = desiredValue.getConstraints();
ValueProperties.Builder scenarioDefaults = null;
final Set<String> priceShiftSet = constraints.getValues(s_priceShift);
if (priceShiftSet == null || priceShiftSet.isEmpty()) {
scenarioDefaults = constraints.copy().withoutAny(s_priceShift).with(s_priceShift, "");
}
final Set<String> priceShiftTypeSet = constraints.getValues(s_priceShiftType);
if (priceShiftTypeSet == null || priceShiftTypeSet.isEmpty()) {
if (scenarioDefaults == null) {
scenarioDefaults =
constraints
.copy()
.withoutAny(s_priceShiftType)
.with(s_priceShiftType, "Multiplicative");
} else {
scenarioDefaults =
scenarioDefaults.withoutAny(s_priceShiftType).with(s_priceShiftType, "Multiplicative");
}
}
final Set<String> volShiftSet = constraints.getValues(s_volShift);
if (volShiftSet == null || volShiftSet.isEmpty()) {
if (scenarioDefaults == null) {
scenarioDefaults = constraints.copy().withoutAny(s_volShift).with(s_volShift, "");
} else {
scenarioDefaults = scenarioDefaults.withoutAny(s_volShift).with(s_volShift, "");
}
}
final Set<String> volShiftSetType = constraints.getValues(s_volShiftType);
if (volShiftSetType == null || volShiftSetType.isEmpty()) {
if (scenarioDefaults == null) {
scenarioDefaults =
constraints.copy().withoutAny(s_volShiftType).with(s_volShiftType, "Multiplicative");
} else {
scenarioDefaults =
scenarioDefaults.withoutAny(s_volShiftType).with(s_volShiftType, "Multiplicative");
}
}
// If defaults have been added, this adds additional copy of the Function into dep graph with
// the adjusted constraints
if (scenarioDefaults != null) {
return Collections.singleton(
new ValueRequirement(
getValueRequirementName(), target.toSpecification(), scenarioDefaults.get()));
} else { // Scenarios are defined, so we're satisfied
return superReqs;
}
}
@Override
public Set<ValueRequirement> getRequirements(
final FunctionCompilationContext context,
final ComputationTarget target,
final ValueRequirement desiredValue) {
final ValueProperties constraints = desiredValue.getConstraints();
final Set<String> payCurveNames = constraints.getValues(ValuePropertyNames.PAY_CURVE);
if (payCurveNames == null || payCurveNames.size() != 1) {
return null;
}
final Set<String> receiveCurveNames = constraints.getValues(ValuePropertyNames.RECEIVE_CURVE);
if (receiveCurveNames == null || receiveCurveNames.size() != 1) {
return null;
}
final Set<String> payCurveConfigNames =
constraints.getValues(ValuePropertyNames.PAY_CURVE_CALCULATION_CONFIG);
if (payCurveConfigNames == null || payCurveConfigNames.size() != 1) {
return null;
}
final Set<String> receiveCurveConfigNames =
constraints.getValues(ValuePropertyNames.RECEIVE_CURVE_CALCULATION_CONFIG);
if (receiveCurveConfigNames == null || receiveCurveConfigNames.size() != 1) {
return null;
}
final Set<String> daysForwardNames = constraints.getValues(PROPERTY_DAYS_TO_MOVE_FORWARD);
if (daysForwardNames == null || daysForwardNames.size() != 1) {
return null;
}
final String payCurveName = payCurveNames.iterator().next();
final String receiveCurveName = receiveCurveNames.iterator().next();
final String payCurveCalculationConfig = payCurveConfigNames.iterator().next();
final String receiveCurveCalculationConfig = receiveCurveConfigNames.iterator().next();
final FinancialSecurity security = (FinancialSecurity) target.getSecurity();
final Currency payCurrency = security.accept(ForexVisitors.getPayCurrencyVisitor());
final Currency receiveCurrency = security.accept(ForexVisitors.getReceiveCurrencyVisitor());
final ValueRequirement payFundingCurve =
YieldCurveFunctionUtils.getCurveRequirementForFXForward(
ComputationTargetSpecification.of(payCurrency),
payCurveName,
payCurveCalculationConfig,
true);
final ValueRequirement receiveFundingCurve =
YieldCurveFunctionUtils.getCurveRequirementForFXForward(
ComputationTargetSpecification.of(receiveCurrency),
receiveCurveName,
receiveCurveCalculationConfig,
false);
final ValueProperties optionalProperties =
ValueProperties.builder()
.with(PROPERTY_DAYS_TO_MOVE_FORWARD, daysForwardNames)
.withOptional(PROPERTY_DAYS_TO_MOVE_FORWARD)
.get();
final ValueRequirement pairQuoteRequirement =
new ValueRequirement(
ValueRequirementNames.CURRENCY_PAIRS,
ComputationTargetSpecification.NULL,
optionalProperties);
return Sets.newHashSet(payFundingCurve, receiveFundingCurve, pairQuoteRequirement);
}
@Override
public ComputedValue getComputedValue(final ValueRequirement requirement) {
final Pair<String, Object> key =
Pair.of(
requirement.getValueName(),
targetSpecKey(_resolver.getTargetSpecification(requirement.getTargetReference())));
final ComputedValue[] values = _valuesByRequirement.get(key);
if (values != null) {
for (final ComputedValue value : values) {
// Shortcut to check the properties as we already know the name and target match
if (requirement.getConstraints().isSatisfiedBy(value.getSpecification().getProperties())) {
return value;
}
}
}
return null;
}
@Override
public Set<ComputedValue> execute(
final FunctionExecutionContext executionContext,
final FunctionInputs inputs,
final ComputationTarget target,
final Set<ValueRequirement> desiredValues) {
final FinancialSecurity security = (FinancialSecurity) target.getSecurity();
final Currency currency = FinancialSecurityUtils.getCurrency(security);
final Clock snapshotClock = executionContext.getValuationClock();
final ZonedDateTime now = snapshotClock.zonedDateTime();
final HistoricalTimeSeriesBundle timeSeries =
HistoricalTimeSeriesFunctionUtils.getHistoricalTimeSeriesInputs(executionContext, inputs);
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 String[] yieldCurveNames =
curveNames.length == 1 ? new String[] {curveNames[0], curveNames[0]} : curveNames;
final String[] curveNamesForSecurity =
FixedIncomeInstrumentCurveExposureHelper.getCurveNamesForSecurity(
security, yieldCurveNames[0], yieldCurveNames[1]);
final YieldCurveBundle bundle =
YieldCurveFunctionUtils.getAllYieldCurves(
inputs, curveCalculationConfig, curveCalculationConfigSource);
final InstrumentDefinition<?> definition = security.accept(_visitor);
if (definition == null) {
throw new OpenGammaRuntimeException("Definition for security " + security + " was null");
}
final InstrumentDerivative derivative =
getDerivative(
security, now, timeSeries, curveNamesForSecurity, definition, _definitionConverter);
return getComputedValues(
derivative, bundle, security, target, curveCalculationConfigName, currency.getCode());
}
@Override
protected ValueProperties.Builder getResultProperties(
final ComputationTarget target, final ValueRequirement desiredValue) {
final String daysForward = desiredValue.getConstraint(PROPERTY_DAYS_TO_MOVE_FORWARD);
final ValueProperties.Builder properties =
super.getResultProperties(target, desiredValue)
.with(PROPERTY_THETA_CALCULATION_METHOD, THETA_CONSTANT_SPREAD)
.with(PROPERTY_DAYS_TO_MOVE_FORWARD, daysForward);
return properties;
}
@Override
public Set<ValueRequirement> getRequirements(
final FunctionCompilationContext context,
final ComputationTarget target,
final ValueRequirement desiredValue) {
final ValueProperties constraints = desiredValue.getConstraints();
final Set<String> surfaceNames = constraints.getValues(ValuePropertyNames.SURFACE);
if (surfaceNames == null || surfaceNames.size() != 1) {
return null;
}
final Set<String> curveCalculationConfigNames =
constraints.getValues(ValuePropertyNames.CURVE_CALCULATION_CONFIG);
if (curveCalculationConfigNames == null || curveCalculationConfigNames.size() != 1) {
return null;
}
final String curveCalculationConfigName = curveCalculationConfigNames.iterator().next();
final ConfigSource configSource = OpenGammaCompilationContext.getConfigSource(context);
final ConfigDBCurveCalculationConfigSource curveCalculationConfigSource =
new ConfigDBCurveCalculationConfigSource(configSource);
final MultiCurveCalculationConfig curveCalculationConfig =
curveCalculationConfigSource.getConfig(curveCalculationConfigName);
if (curveCalculationConfig == null) {
s_logger.error(
"Could not find curve calculation configuration named " + curveCalculationConfigName);
return null;
}
final Currency currency = FinancialSecurityUtils.getCurrency(target.getSecurity());
if (!ComputationTargetSpecification.of(currency).equals(curveCalculationConfig.getTarget())) {
s_logger.error(
"Security currency and curve calculation config id were not equal; have {} and {}",
currency,
curveCalculationConfig.getTarget());
return null;
}
final String surfaceName = surfaceNames.iterator().next();
final Set<ValueRequirement> requirements = new HashSet<>();
requirements.addAll(
YieldCurveFunctionUtils.getCurveRequirements(
curveCalculationConfig, curveCalculationConfigSource));
requirements.add(getVolatilityRequirement(surfaceName, currency));
final FinancialSecurity security = (FinancialSecurity) target.getSecurity();
try {
final Set<ValueRequirement> timeSeriesRequirements =
_definitionConverter.getConversionTimeSeriesRequirements(
security, security.accept(_visitor));
if (timeSeriesRequirements == null) {
return null;
}
requirements.addAll(timeSeriesRequirements);
return requirements;
} catch (final Exception e) {
s_logger.error(e.getMessage());
return null;
}
}
@Override
public Set<ComputedValue> execute(
final FunctionExecutionContext executionContext,
final FunctionInputs inputs,
final ComputationTarget target,
final Set<ValueRequirement> desiredValues) {
final ValueRequirement desiredValue = Iterables.getOnlyElement(desiredValues);
final String curveName = desiredValue.getConstraint(ValuePropertyNames.CURVE);
final String curveCalculationConfig =
desiredValue.getConstraint(ValuePropertyNames.CURVE_CALCULATION_CONFIG);
// 1. Get the expiry _time_ from the trade
final EquityVarianceSwapSecurity security = (EquityVarianceSwapSecurity) target.getSecurity();
final double expiry =
TimeCalculator.getTimeBetween(
executionContext.getValuationClock().zonedDateTime(),
security.getLastObservationDate());
// 2. Get the discount curve and spot value
final Object discountObject =
inputs.getValue(getDiscountRequirement(security, curveName, curveCalculationConfig));
if (discountObject == null) {
throw new OpenGammaRuntimeException("Could not get Discount Curve");
}
final YieldAndDiscountCurve discountCurve = (YieldAndDiscountCurve) discountObject;
final Object spotObject = inputs.getValue(getSpotRequirement(security));
if (spotObject == null) {
throw new OpenGammaRuntimeException("Could not get Underlying's Spot value");
}
final double spot = (Double) spotObject;
// 3. Compute the forward
final double discountFactor = discountCurve.getDiscountFactor(expiry);
Validate.isTrue(
discountFactor != 0,
"The discount curve has returned a zero value for a discount bond. Check rates.");
final double forward = spot / discountFactor;
final ValueSpecification valueSpec = getValueSpecification(security);
return Collections.singleton(new ComputedValue(valueSpec, forward));
}
@Override
public Set<ValueRequirement> getRequirements(
final FunctionCompilationContext context,
final ComputationTarget target,
final ValueRequirement desiredValue) {
final Set<String> daysForwardNames =
desiredValue.getConstraints().getValues(PROPERTY_DAYS_TO_MOVE_FORWARD);
if (daysForwardNames == null || daysForwardNames.size() != 1) {
return null;
}
return super.getRequirements(context, target, desiredValue);
}
