/**
* Copyright (C) 2011 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.financial.instrument.future;
import org.apache.commons.lang.ObjectUtils;
import org.threeten.bp.ZonedDateTime;
import com.opengamma.analytics.financial.instrument.InstrumentDefinition;
import com.opengamma.analytics.financial.instrument.InstrumentDefinitionVisitor;
import com.opengamma.analytics.financial.instrument.payment.PaymentFixedDefinition;
import com.opengamma.analytics.financial.interestrate.future.derivative.InterestRateFutureOptionPremiumSecurity;
import com.opengamma.analytics.financial.interestrate.future.derivative.InterestRateFutureOptionPremiumTransaction;
import com.opengamma.analytics.util.time.TimeCalculator;
import com.opengamma.util.ArgumentChecker;
/**
* Description of transaction on an interest rate future option security with premium paid up-front (CME type).
*/
public class InterestRateFutureOptionPremiumTransactionDefinition implements InstrumentDefinition<InterestRateFutureOptionPremiumTransaction> {
/**
* The underlying option future security.
*/
private final InterestRateFutureOptionPremiumSecurityDefinition _underlyingOption;
/**
* The quantity of the transaction. Can be positive or negative.
*/
private final int _quantity;
/**
* The transaction price. The price is in relative number and not in percent. A standard price will be 0.985 and not 98.5.
*/
private final double _tradePrice;
/**
* The premium payment: payment date and amount. The premium amount is given by the the transaction price * future notional * future accrual factor.
*/
private final PaymentFixedDefinition _premium;
/**
* Constructor of the future option transaction from details.
* @param underlyingOption The underlying option future security.
* @param quantity The quantity of the transaction. Can be positive or negative.
* @param premiumDate The transaction date.
* @param tradePrice The transaction price.
*/
public InterestRateFutureOptionPremiumTransactionDefinition(final InterestRateFutureOptionPremiumSecurityDefinition underlyingOption, final int quantity,
final ZonedDateTime premiumDate, final double tradePrice) {
ArgumentChecker.notNull(underlyingOption, "underlying option");
ArgumentChecker.notNull(premiumDate, "premium date");
_underlyingOption = underlyingOption;
_quantity = quantity;
_tradePrice = tradePrice;
final double premiumAmount = _tradePrice * _underlyingOption.getUnderlyingFuture().getNotional() * _underlyingOption.getUnderlyingFuture().getPaymentAccrualFactor();
_premium = new PaymentFixedDefinition(underlyingOption.getCurrency(), premiumDate, premiumAmount);
}
/**
* Gets the underlying option future security.
* @return The underlying.
*/
public InterestRateFutureOptionPremiumSecurityDefinition getUnderlyingOption() {
return _underlyingOption;
}
/**
* Gets the quantity of the transaction. Can be positive or negative.
* @return The quantity of the transaction.
*/
public int getQuantity() {
return _quantity;
}
/**
* Gets the transaction price.
* @return The transaction price.
*/
public double getTradePrice() {
return _tradePrice;
}
/**
* Gets the premium.
* @return The premium.
*/
public PaymentFixedDefinition getPremium() {
return _premium;
}
@Override
public InterestRateFutureOptionPremiumTransaction toDerivative(final ZonedDateTime date) {
final InterestRateFutureOptionPremiumSecurity option = _underlyingOption.toDerivative(date);
final double premiumTime = TimeCalculator.getTimeBetween(date, _premium.getPaymentDate());
if (premiumTime < 0) { // Premium payment in the past.
// The premium payment is in the past and is represented by a 0 payment today.
return new InterestRateFutureOptionPremiumTransaction(option, _quantity, 0.0, 0.0);
}
return new InterestRateFutureOptionPremiumTransaction(option, _quantity, premiumTime, _tradePrice);
}
@Override
public <U, V> V accept(final InstrumentDefinitionVisitor<U, V> visitor, final U data) {
ArgumentChecker.notNull(visitor, "visitor");
return visitor.visitInterestRateFutureOptionPremiumTransactionDefinition(this, data);
}
@Override
public <V> V accept(final InstrumentDefinitionVisitor<?, V> visitor) {
ArgumentChecker.notNull(visitor, "visitor");
return visitor.visitInterestRateFutureOptionPremiumTransactionDefinition(this);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + _premium.hashCode();
result = prime * result + _quantity;
long temp;
temp = Double.doubleToLongBits(_tradePrice);
result = prime * result + (int) (temp ^ (temp >>> 32));
result = prime * result + _underlyingOption.hashCode();
return result;
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final InterestRateFutureOptionPremiumTransactionDefinition other = (InterestRateFutureOptionPremiumTransactionDefinition) obj;
if (!ObjectUtils.equals(_premium, other._premium)) {
return false;
}
if (_quantity != other._quantity) {
return false;
}
if (Double.doubleToLongBits(_tradePrice) != Double.doubleToLongBits(other._tradePrice)) {
return false;
}
if (!ObjectUtils.equals(_underlyingOption, other._underlyingOption)) {
return false;
}
return true;
}
}