// calibrates when there is a single group
private MarketDataBox <RatesCurveGroup> buildSingleCurveGroup(RatesCurveGroupDefinition configuredGroup, RatesCurveCalibrator calibrator, LocalDate valuationDate, IList <MarketDataBox <RatesCurveInputs> > inputBoxes, IDictionary <ObservableId, LocalDateDoubleTimeSeries> fixings, ReferenceData refData)
{
RatesCurveGroupDefinition filteredGroup = configuredGroup.filtered(valuationDate, refData);
//JAVA TO C# CONVERTER TODO TASK: Method reference arbitrary object instance method syntax is not converted by Java to C# Converter:
//JAVA TO C# CONVERTER TODO TASK: Most Java stream collectors are not converted by Java to C# Converter:
IList <RatesCurveInputs> inputs = inputBoxes.Select(MarketDataBox::getSingleValue).collect(toImmutableList());
MarketData inputValues = inputsByKey(valuationDate, inputs, fixings);
RatesCurveGroup curveGroup = buildGroup(filteredGroup, calibrator, inputValues, refData);
return(MarketDataBox.ofSingleValue(curveGroup));
}
//-------------------------------------------------------------------------
public virtual void test_filtered()
{
DummyFraCurveNode node1 = DummyFraCurveNode.of(Period.ofDays(5), GBP_LIBOR_1M, GBP_LIBOR_1M_ID);
DummyFraCurveNode node2 = DummyFraCurveNode.of(Period.ofDays(10), GBP_LIBOR_1M, GBP_LIBOR_1M_ID);
DummyFraCurveNode node3 = DummyFraCurveNode.of(Period.ofDays(11), GBP_LIBOR_1M, GBP_LIBOR_1M_ID, DROP_THIS_2D);
ImmutableList <DummyFraCurveNode> nodes = ImmutableList.of(node1, node2, node3);
LocalDate valuationDate = date(2015, 6, 30);
InterpolatedNodalCurveDefinition curveDefn = InterpolatedNodalCurveDefinition.builder().name(CURVE_NAME1).xValueType(ValueType.YEAR_FRACTION).yValueType(ValueType.ZERO_RATE).dayCount(ACT_365F).nodes(nodes).interpolator(CurveInterpolators.LINEAR).extrapolatorLeft(CurveExtrapolators.FLAT).extrapolatorRight(CurveExtrapolators.FLAT).build();
RatesCurveGroupDefinition test = RatesCurveGroupDefinition.builder().name(CurveGroupName.of("Test")).addCurve(curveDefn, GBP, GBP_LIBOR_1M, GBP_LIBOR_3M).build();
RatesCurveGroupDefinition expected = RatesCurveGroupDefinition.builder().name(CurveGroupName.of("Test")).addCurve(curveDefn.filtered(valuationDate, REF_DATA), GBP, GBP_LIBOR_1M, GBP_LIBOR_3M).build();
assertEquals(test.filtered(valuationDate, REF_DATA), expected);
}
// calibrates when there are multiple groups
private MarketDataBox <RatesCurveGroup> buildMultipleCurveGroups(RatesCurveGroupDefinition configuredGroup, RatesCurveCalibrator calibrator, MarketDataBox <LocalDate> valuationDateBox, IList <MarketDataBox <RatesCurveInputs> > inputBoxes, IDictionary <ObservableId, LocalDateDoubleTimeSeries> fixings, ReferenceData refData)
{
int scenarioCount = RatesCurveGroupMarketDataFunction.scenarioCount(valuationDateBox, inputBoxes);
ImmutableList.Builder <RatesCurveGroup> builder = ImmutableList.builder();
for (int i = 0; i < scenarioCount; i++)
{
LocalDate valuationDate = valuationDateBox.getValue(i);
RatesCurveGroupDefinition filteredGroup = configuredGroup.filtered(valuationDate, refData);
IList <RatesCurveInputs> curveInputsList = inputsForScenario(inputBoxes, i);
MarketData inputs = inputsByKey(valuationDate, curveInputsList, fixings);
builder.add(buildGroup(filteredGroup, calibrator, inputs, refData));
}
ImmutableList <RatesCurveGroup> curveGroups = builder.build();
return(MarketDataBox.ofScenarioValues(curveGroups));
}