com.opengamma.analytics.financial.model.volatility.SmileAndBucketedSensitivities.java Source code

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Here is the source code for com.opengamma.analytics.financial.model.volatility.SmileAndBucketedSensitivities.java

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/**
 * Copyright (C) 2012 - present by OpenGamma Inc. and the OpenGamma group of companies
 * 
 * Please see distribution for license.
 */
package com.opengamma.analytics.financial.model.volatility;

import java.util.Arrays;

import org.apache.commons.lang.ObjectUtils;

import com.opengamma.analytics.financial.model.option.definition.SmileDeltaParameters;
import com.opengamma.util.ArgumentChecker;

/**
 * Class containing a volatility smile expressed in delta form and the bucketed sensitivities of this smile to the data points used to construct it.
 */
public class SmileAndBucketedSensitivities {
    private final SmileDeltaParameters _smile;
    private final double[][] _sensitivities;

    /**
     * @param smile The volatility smile, not null
     * @param sensitivities The bucketed sensitivities, not null
     */
    public SmileAndBucketedSensitivities(final SmileDeltaParameters smile, final double[][] sensitivities) {
        ArgumentChecker.notNull(smile, "smile");
        ArgumentChecker.notNull(sensitivities, "sensitivities");
        _smile = smile;
        _sensitivities = sensitivities;
    }

    /**
     * Gets the smile
     * @return The smile
     */
    public SmileDeltaParameters getSmile() {
        return _smile;
    }

    /**
     * Gets the bucketed sensitivities
     * @return The bucketed sensitivities
     */
    public double[][] getBucketedSensitivities() {
        return _sensitivities;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + Arrays.hashCode(_sensitivities);
        result = prime * result + _smile.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 SmileAndBucketedSensitivities other = (SmileAndBucketedSensitivities) obj;
        if (!ObjectUtils.equals(_smile, other._smile)) {
            return false;
        }
        if (!Arrays.deepEquals(_sensitivities, other._sensitivities)) {
            return false;
        }
        return true;
    }

}