com.opengamma.financial.analytics.model.credit.isda.cdsoption.ISDACreditDefaultSwapOptionBucketedGammaCS01Function.java Source code

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Here is the source code for com.opengamma.financial.analytics.model.credit.isda.cdsoption.ISDACreditDefaultSwapOptionBucketedGammaCS01Function.java

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/**
 * Copyright (C) 2013 - present by OpenGamma Inc. and the OpenGamma group of companies
 * 
 * Please see distribution for license.
 */
package com.opengamma.financial.analytics.model.credit.isda.cdsoption;

import java.util.Collections;
import java.util.Set;

import org.threeten.bp.LocalDate;
import org.threeten.bp.ZonedDateTime;

import com.google.common.collect.Iterables;
import com.opengamma.analytics.financial.credit.bumpers.SpreadBumpType;
import com.opengamma.analytics.financial.credit.creditdefaultswapoption.definition.CreditDefaultSwapOptionDefinition;
import com.opengamma.analytics.financial.credit.creditdefaultswapoption.greeks.GammaCreditDefaultSwapOption;
import com.opengamma.analytics.financial.credit.hazardratecurve.HazardRateCurve;
import com.opengamma.analytics.financial.credit.isdayieldcurve.ISDADateCurve;
import com.opengamma.engine.ComputationTarget;
import com.opengamma.engine.value.ComputedValue;
import com.opengamma.engine.value.ValueProperties;
import com.opengamma.engine.value.ValueRequirementNames;
import com.opengamma.engine.value.ValueSpecification;
import com.opengamma.financial.analytics.LocalDateLabelledMatrix1D;
import com.opengamma.financial.analytics.model.credit.CreditInstrumentPropertyNamesAndValues;

/**
 * 
 */
public class ISDACreditDefaultSwapOptionBucketedGammaCS01Function extends ISDACreditDefaultSwapOptionCS01Function {
    private static final GammaCreditDefaultSwapOption CALCULATOR = new GammaCreditDefaultSwapOption();

    public ISDACreditDefaultSwapOptionBucketedGammaCS01Function() {
        super(ValueRequirementNames.BUCKETED_GAMMA_CS01);
    }

    @Override
    protected Set<ComputedValue> getComputedValue(final CreditDefaultSwapOptionDefinition definition,
            final ISDADateCurve yieldCurve, final double vol, final ZonedDateTime[] calibrationTenors,
            final double[] marketSpreads, final HazardRateCurve hazardRateCurve, final ZonedDateTime valuationTime,
            final ComputationTarget target, final ValueProperties properties) {
        final Double spreadCurveBump = Double.valueOf(Iterables.getOnlyElement(
                properties.getValues(CreditInstrumentPropertyNamesAndValues.PROPERTY_SPREAD_CURVE_BUMP)));
        final SpreadBumpType spreadBumpType = SpreadBumpType.valueOf(Iterables.getOnlyElement(
                properties.getValues(CreditInstrumentPropertyNamesAndValues.PROPERTY_SPREAD_BUMP_TYPE)));
        final double[] gammaCS01 = CALCULATOR.getGammaBucketedCreditDefaultSwapOption(valuationTime, definition,
                vol, yieldCurve, hazardRateCurve, calibrationTenors, marketSpreads, spreadCurveBump,
                spreadBumpType);
        final int n = calibrationTenors.length;
        final LocalDate[] dates = new LocalDate[n];
        for (int i = 0; i < n; i++) {
            dates[i] = calibrationTenors[i].toLocalDate();
        }
        final LocalDateLabelledMatrix1D cs01Matrix = new LocalDateLabelledMatrix1D(dates, gammaCS01);
        final ValueSpecification spec = new ValueSpecification(ValueRequirementNames.BUCKETED_GAMMA_CS01,
                target.toSpecification(), properties);
        return Collections.singleton(new ComputedValue(spec, cs01Matrix));
    }

}