/**
* Copyright (C) 2013 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.financial.provider.calculator.inflation;
import com.opengamma.analytics.financial.interestrate.InstrumentDerivativeVisitorAdapter;
import com.opengamma.analytics.financial.interestrate.bond.definition.BondCapitalIndexedSecurity;
import com.opengamma.analytics.financial.interestrate.bond.definition.BondCapitalIndexedTransaction;
import com.opengamma.analytics.financial.interestrate.bond.provider.BondCapitalIndexedSecurityDiscountingMethod;
import com.opengamma.analytics.financial.provider.description.inflation.InflationIssuerProviderInterface;
import com.opengamma.util.ArgumentChecker;
/**
* Calculate modified duration from the curves.
*/
public final class ModifiedDurationFromCurvesCalculator extends InstrumentDerivativeVisitorAdapter<InflationIssuerProviderInterface, Double> {
/**
* The calculator instance.
*/
private static final ModifiedDurationFromCurvesCalculator s_instance = new ModifiedDurationFromCurvesCalculator();
/**
* Return the calculator instance.
* @return The instance.
*/
public static ModifiedDurationFromCurvesCalculator getInstance() {
return s_instance;
}
/**
* Private constructor.
*/
private ModifiedDurationFromCurvesCalculator() {
}
/** The method used for bonds */
private static final BondCapitalIndexedSecurityDiscountingMethod METHOD_BOND_SECURITY = BondCapitalIndexedSecurityDiscountingMethod.getInstance();
@Override
public Double visitBondCapitalIndexedTransaction(final BondCapitalIndexedTransaction<?> bond, final InflationIssuerProviderInterface issuer) {
ArgumentChecker.notNull(bond, "bond");
ArgumentChecker.notNull(issuer, "Issuer provider");
return METHOD_BOND_SECURITY.modifiedDurationFromCurves(bond.getBondTransaction(), issuer);
}
@Override
public Double visitBondCapitalIndexedSecurity(final BondCapitalIndexedSecurity<?> bond, final InflationIssuerProviderInterface issuer) {
ArgumentChecker.notNull(bond, "bond");
ArgumentChecker.notNull(issuer, "Issuer provider");
return METHOD_BOND_SECURITY.modifiedDurationFromCurves(bond, issuer);
}
}