@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()));
}
@Override
public Set<ValueSpecification> getResults(
final FunctionCompilationContext context,
final ComputationTarget target,
final Map<ValueSpecification, ValueRequirement> inputs) {
ValueSpecification inputValue = null;
ValueSpecification inputParent = null;
final UniqueId value = target.getUniqueId();
for (ValueSpecification input : inputs.keySet()) {
if (value.equals(input.getTargetSpecification().getUniqueId())) {
assert inputValue == null;
inputValue = input;
} else {
assert inputParent == null;
inputParent = input;
}
}
final ValueProperties rawResultProperties =
inputValue.getProperties().intersect(inputParent.getProperties());
final ValueProperties.Builder resultPropertiesBuilder = rawResultProperties.copy();
for (String unit : UnitProperties.unitPropertyNames()) {
final Set<String> valueUnits = inputValue.getProperties().getValues(unit);
final Set<String> parentUnits = inputParent.getProperties().getValues(unit);
if (valueUnits != null) {
if (parentUnits != null) {
if (rawResultProperties.getValues(unit) != null) {
// The operation is a division, so there are no units on the result
resultPropertiesBuilder.withoutAny(unit);
} else {
// No common intersection between parent and value properties for this unit
return null;
}
} else {
// Parent did not include the same units as the value
return null;
}
} else {
if (parentUnits != null) {
// Value did not include the same units as the parent
return null;
}
}
}
resultPropertiesBuilder
.withoutAny(VALUE_PROPERTY_NAME)
.with(VALUE_PROPERTY_NAME, inputValue.getValueName());
resultPropertiesBuilder
.withoutAny(ValuePropertyNames.FUNCTION)
.with(ValuePropertyNames.FUNCTION, getUniqueId());
return Collections.singleton(
new ValueSpecification(
ValueRequirementNames.WEIGHT, target.toSpecification(), resultPropertiesBuilder.get()));
}
private static VolatilitySurfaceKey createKey(ValueSpecification valueSpecification) {
UniqueId uniqueId = valueSpecification.getTargetSpecification().getUniqueId();
String surface = valueSpecification.getProperties().getStrictValue(ValuePropertyNames.SURFACE);
String instrumentType = valueSpecification.getProperties().getStrictValue("InstrumentType");
String quoteType =
valueSpecification
.getProperties()
.getStrictValue(SurfaceAndCubePropertyNames.PROPERTY_SURFACE_QUOTE_TYPE);
String quoteUnits =
valueSpecification
.getProperties()
.getStrictValue(SurfaceAndCubePropertyNames.PROPERTY_SURFACE_UNITS);
return VolatilitySurfaceKey.of(uniqueId, surface, instrumentType, quoteType, quoteUnits);
}
@Override
public Set<ValueSpecification> getResults(
final FunctionCompilationContext context,
final ComputationTarget target,
final Map<ValueSpecification, ValueRequirement> inputs) {
if (inputs.size() == 1) {
ValueSpecification input = inputs.keySet().iterator().next();
if (getValueRequirementName().equals(input.getValueName())) {
return inputs.keySet();
}
}
ValueSpecification superSpec = super.getResults(context, target, inputs).iterator().next();
Builder properties =
superSpec
.getProperties()
.copy()
.withAny(s_priceShift)
.withAny(s_volShift)
.withAny(s_priceShiftType)
.withAny(s_volShiftType);
return Collections.singleton(
new ValueSpecification(
getValueRequirementName(), target.toSpecification(), properties.get()));
}
protected ValueSpecification getOutputSpec(ValueSpecification inputSpec) {
ValueProperties outputProperties =
inputSpec
.getProperties()
.copy()
.withoutAny(ValuePropertyNames.FUNCTION)
.with(ValuePropertyNames.FUNCTION, getUniqueId())
.get();
return new ValueSpecification(
ValueRequirementNames.TARGET, inputSpec.getTargetSpecification(), outputProperties);
}
/**
* Tests if this requirement can be satisfied by a given value specification.
*
* <p>A {@link ValueSpecification} can satisfy a requirement if both of the following are true:
*
* <ul>
* <li>it is for the same value on the same computation target
* <li>the properties associated with the value satisfy the constraints on the requirement
* </ul>
*
* @param valueSpecification the value specification to test, not null
* @return {@code true} if this requirement is satisfied by the specification, {@code false}
* otherwise.
*/
public boolean isSatisfiedBy(final ValueSpecification valueSpecification) {
// value names are interned by this and specifications
if (getValueName() != valueSpecification.getValueName()) {
return false;
}
if (!getTargetSpecification().equals(getTargetSpecification())) {
return false;
}
if (!getConstraints().isSatisfiedBy(valueSpecification.getProperties())) {
return false;
}
return true;
}
/**
* Simplifies the type based on the associated {@link ComputationTargetResolver}.
*
* @param valueSpec the specification to process, not null
* @return the possibly simplified specification, not null
*/
public ValueSpecification simplifyType(final ValueSpecification valueSpec) {
final ComputationTargetSpecification oldTargetSpec = valueSpec.getTargetSpecification();
final ComputationTargetSpecification newTargetSpec =
ComputationTargetResolverUtils.simplifyType(
oldTargetSpec, getCompilationContext().getComputationTargetResolver());
if (newTargetSpec == oldTargetSpec) {
return MemoryUtils.instance(valueSpec);
} else {
return MemoryUtils.instance(
new ValueSpecification(
valueSpec.getValueName(), newTargetSpec, valueSpec.getProperties()));
}
}
@Override
public String toString() {
// carefully select useful fields for toString
ToStringStyle style = ToStringStyle.SHORT_PREFIX_STYLE;
StringBuffer sb = new StringBuffer();
style.appendStart(sb, this);
style.append(sb, "result", getInvocationResult(), null);
ValueSpecification spec = getSpecification();
if (spec != null) {
style.append(sb, "name", spec.getValueName(), null);
ComputationTargetSpecification targetSpec = spec.getTargetSpecification();
style.append(sb, "targetId", targetSpec.getIdentifier(), null);
style.append(sb, "targetType", targetSpec.getType(), null);
style.append(sb, "properties", spec.getProperties(), null);
}
style.append(sb, "value", getValue(), null);
style.appendEnd(sb, this);
return sb.toString();
}
@Override
public String formatCell(BigDecimal value, ValueSpecification valueSpec) {
DoubleValueFormatter formatter = getFormatter(valueSpec);
String formattedNumber = formatter.format(value);
String formattedValue;
if (formatter.isCurrencyAmount()) {
Set<String> currencyValues = valueSpec.getProperties().getValues(ValuePropertyNames.CURRENCY);
String ccy;
if (currencyValues == null) {
formattedValue = formattedNumber;
} else if (currencyValues.isEmpty()) {
formattedValue = formattedNumber;
} else {
ccy = currencyValues.iterator().next();
formattedValue = ccy + " " + formattedNumber;
}
} else {
formattedValue = formattedNumber;
}
return formattedValue;
}