com.opengamma.analytics.financial.simpleinstruments.derivative.SimpleFuture.java Source code

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Here is the source code for com.opengamma.analytics.financial.simpleinstruments.derivative.SimpleFuture.java

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/**
 * Copyright (C) 2011 - present by OpenGamma Inc. and the OpenGamma group of companies
 * 
 * Please see distribution for license.
 */
package com.opengamma.analytics.financial.simpleinstruments.derivative;

import org.apache.commons.lang.ObjectUtils;
import org.apache.commons.lang.Validate;

import com.opengamma.util.money.Currency;

/**
 * 
 */
public class SimpleFuture implements SimpleInstrument {
    private final double _expiry;
    private final double _settlement;
    private final double _referencePrice;
    private final double _unitAmount;
    private final Currency _currency;

    public SimpleFuture(final double expiry, final double settlement, final double referencePrice,
            final double unitAmount, final Currency currency) {
        Validate.notNull(currency, "currency");
        Validate.isTrue(expiry >= 0, "time to expiry must be positive");
        Validate.isTrue(settlement >= 0, "time to settlement must be positive");
        _expiry = expiry;
        _settlement = settlement;
        _referencePrice = referencePrice;
        _unitAmount = unitAmount;
        _currency = currency;
    }

    public double getExpiry() {
        return _expiry;
    }

    public double getSettlement() {
        return _settlement;
    }

    public double getReferencePrice() {
        return _referencePrice;
    }

    public double getUnitAmount() {
        return _unitAmount;
    }

    public Currency getCurrency() {
        return _currency;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + _currency.hashCode();
        long temp;
        temp = Double.doubleToLongBits(_expiry);
        result = prime * result + (int) (temp ^ (temp >>> 32));
        temp = Double.doubleToLongBits(_referencePrice);
        result = prime * result + (int) (temp ^ (temp >>> 32));
        temp = Double.doubleToLongBits(_settlement);
        result = prime * result + (int) (temp ^ (temp >>> 32));
        temp = Double.doubleToLongBits(_unitAmount);
        result = prime * result + (int) (temp ^ (temp >>> 32));
        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;
        }
        SimpleFuture other = (SimpleFuture) obj;
        if (Double.doubleToLongBits(_expiry) != Double.doubleToLongBits(other._expiry)) {
            return false;
        }
        if (Double.doubleToLongBits(_referencePrice) != Double.doubleToLongBits(other._referencePrice)) {
            return false;
        }
        if (Double.doubleToLongBits(_settlement) != Double.doubleToLongBits(other._settlement)) {
            return false;
        }
        if (Double.doubleToLongBits(_unitAmount) != Double.doubleToLongBits(other._unitAmount)) {
            return false;
        }
        if (!ObjectUtils.equals(_currency, other._currency)) {
            return false;
        }
        return true;
    }

    @Override
    public <S, T> T accept(final SimpleInstrumentVisitor<S, T> visitor, final S data) {
        return visitor.visitSimpleFuture(this, data);
    }

    @Override
    public <S, T> T accept(SimpleInstrumentVisitor<S, T> visitor) {
        return visitor.visitSimpleFuture(this);
    }

}