/** * Copyright (C) 2013 - present by OpenGamma Inc. and the OpenGamma group of companies * * Please see distribution for license. */ package com.opengamma.financial.analytics.model.equity.option; import com.opengamma.core.security.Security; import com.opengamma.engine.ComputationTarget; import com.opengamma.engine.function.FunctionCompilationContext; import com.opengamma.financial.analytics.model.CalculationPropertyNamesAndValues; import com.opengamma.financial.analytics.model.SecurityExerciseTypeVisitor; import com.opengamma.financial.security.FinancialSecurity; import com.opengamma.financial.security.option.AmericanExerciseType; /** * Base class for the {@link CalculationPropertyNamesAndValues#BJERKSUND_STENSLAND_METHOD}<p> * This form requires a {@link ValueRequirementNames#BLACK_VOLATILITY_SURFACE}. * See {@link ListedEquityOptionBjerksundStenslandFunction} for a simpler version that instead requires a market price. */ public abstract class EquityOptionBjerksundStenslandFunction extends EquityOptionFunction { /** * @param valueRequirementNames The value requirement names */ public EquityOptionBjerksundStenslandFunction(final String... valueRequirementNames) { super(valueRequirementNames); } @Override public boolean canApplyTo(final FunctionCompilationContext context, final ComputationTarget target) { final Security security = target.getSecurity(); return ((FinancialSecurity) security).accept(new SecurityExerciseTypeVisitor()) instanceof AmericanExerciseType; } @Override protected String getCalculationMethod() { return CalculationPropertyNamesAndValues.BJERKSUND_STENSLAND_METHOD; } @Override protected String getModelType() { return CalculationPropertyNamesAndValues.ANALYTIC; } }