/**
* Copyright (C) 2011 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.financial.provider.calculator.sabrcap;
import com.opengamma.analytics.financial.interestrate.InstrumentDerivative;
import com.opengamma.analytics.financial.interestrate.InstrumentDerivativeVisitorSameMethodAdapter;
import com.opengamma.analytics.financial.interestrate.annuity.derivative.Annuity;
import com.opengamma.analytics.financial.interestrate.payments.derivative.CapFloorIbor;
import com.opengamma.analytics.financial.interestrate.payments.derivative.Payment;
import com.opengamma.analytics.financial.interestrate.payments.provider.CapFloorIborSABRCapMethod;
import com.opengamma.analytics.financial.provider.description.interestrate.SABRCapProviderInterface;
import com.opengamma.analytics.financial.provider.sensitivity.multicurve.MultipleCurrencyMulticurveSensitivity;
import com.opengamma.util.ArgumentChecker;
/**
* Calculates the present value of an inflation instruments by discounting for a given MarketBundle
*/
public final class PresentValueCurveSensitivitySABRCapCalculator extends InstrumentDerivativeVisitorSameMethodAdapter<SABRCapProviderInterface, MultipleCurrencyMulticurveSensitivity> {
/**
* The unique instance of the calculator.
*/
private static final PresentValueCurveSensitivitySABRCapCalculator INSTANCE = new PresentValueCurveSensitivitySABRCapCalculator();
/**
* Gets the calculator instance.
* @return The calculator.
*/
public static PresentValueCurveSensitivitySABRCapCalculator getInstance() {
return INSTANCE;
}
/**
* Constructor.
*/
private PresentValueCurveSensitivitySABRCapCalculator() {
}
/**
* Pricing methods.
*/
private static final CapFloorIborSABRCapMethod METHOD_CAP = CapFloorIborSABRCapMethod.getInstance();
@Override
public MultipleCurrencyMulticurveSensitivity visit(final InstrumentDerivative derivative, final SABRCapProviderInterface sabr) {
return derivative.accept(this, sabr);
}
// ----- Payment/Coupon ------
@Override
public MultipleCurrencyMulticurveSensitivity visitCapFloorIbor(final CapFloorIbor cap, final SABRCapProviderInterface sabr) {
return METHOD_CAP.presentValueCurveSensitivity(cap, sabr);
}
// ----- Annuity ------
@Override
public MultipleCurrencyMulticurveSensitivity visitGenericAnnuity(final Annuity<? extends Payment> annuity, final SABRCapProviderInterface sabr) {
ArgumentChecker.notNull(annuity, "Annuity");
MultipleCurrencyMulticurveSensitivity cs = visit(annuity.getNthPayment(0), sabr);
for (int loopp = 1; loopp < annuity.getNumberOfPayments(); loopp++) {
cs = cs.plus(visit(annuity.getNthPayment(loopp), sabr));
}
return cs;
}
@Override
public MultipleCurrencyMulticurveSensitivity visit(final InstrumentDerivative derivative) {
throw new UnsupportedOperationException();
}
}