Indicator.h

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/*
 * Indicator.h
 *
 *  Created on: 2012-10-15
 *      Author: fasiondog
 */

#ifndef INDICATOR_H_
#define INDICATOR_H_

#include "IndicatorImp.h"

namespace hku {

#define IND_EQ_THRESHOLD 0.000001 


class HKU_API Indicator {
    HKU_API friend std::ostream & operator<<(std::ostream &, const Indicator&);

public:
    Indicator() {}
    Indicator(const IndicatorImpPtr& imp);
    Indicator(const Indicator&);
    virtual ~Indicator();

    Indicator& operator=(const Indicator&);

    Indicator operator()(const Indicator& ind);

    string name() const;
    void name(const string& name);

    string long_name() const;

    size_t discard() const;

    void setDiscard(size_t discard);

    size_t getResultNumber() const;

    bool empty() const;

    size_t size() const;

    price_t operator[](size_t pos) const {
        return m_imp->get(pos, 0);
    }

    price_t get(size_t pos, size_t num = 0) const {
        return m_imp->get(pos, num);
    }

    Indicator getResult(size_t num) const {
        return m_imp->getResult(num);
    }

    PriceList getResultAsPriceList(size_t num) const {
        return m_imp->getResultAsPriceList(num);
    }

    template <typename ValueType>
    void setParam(const string& name, const ValueType& value) {
        if (m_imp) {
            m_imp->setParam<ValueType>(name, value);
        }
    }

    template <typename ValueType>
    ValueType getParam(const string& name) const {
        if (!m_imp) {
            throw std::out_of_range("out_of_range in Parameter::get : " + name);
        }
        return m_imp->getParam<ValueType>(name);
    }

    IndicatorImpPtr getImp() const { return m_imp; }

protected:
    IndicatorImpPtr m_imp;

#if HKU_SUPPORT_SERIALIZATION
private:
    friend class boost::serialization::access;
    template<class Archive>
    void serialize(Archive & ar, const unsigned int version) {
        ar & BOOST_SERIALIZATION_NVP(m_imp);
    }
#endif /* HKU_SUPPORT_SERIALIZATION */
};


HKU_API Indicator operator+(const Indicator&, const Indicator&);
HKU_API Indicator operator+(const Indicator&, price_t);
HKU_API Indicator operator+(price_t, const Indicator&);

HKU_API Indicator operator-(const Indicator&, const Indicator&);
HKU_API Indicator operator-(const Indicator&, price_t);
HKU_API Indicator operator-(price_t, const Indicator&);

HKU_API Indicator operator*(const Indicator&, const Indicator&);
HKU_API Indicator operator*(const Indicator&, price_t);
HKU_API Indicator operator*(price_t, const Indicator&);

HKU_API Indicator operator/(const Indicator&, const Indicator&);
HKU_API Indicator operator/(const Indicator&, price_t);
HKU_API Indicator operator/(price_t, const Indicator&);

HKU_API Indicator operator==(const Indicator&, const Indicator&);
HKU_API Indicator operator==(const Indicator&, price_t);
HKU_API Indicator operator==(price_t, const Indicator&);

HKU_API Indicator operator!=(const Indicator&, const Indicator&);
HKU_API Indicator operator!=(const Indicator&, price_t);
HKU_API Indicator operator!=(price_t, const Indicator&);

HKU_API Indicator operator>(const Indicator&, const Indicator&);
HKU_API Indicator operator>(const Indicator&, price_t);
HKU_API Indicator operator>(price_t, const Indicator&);

HKU_API Indicator operator<(const Indicator&, const Indicator&);
HKU_API Indicator operator<(const Indicator&, price_t);
HKU_API Indicator operator<(price_t, const Indicator&);

HKU_API Indicator operator>=(const Indicator&, const Indicator&);
HKU_API Indicator operator>=(const Indicator&, price_t);
HKU_API Indicator operator>=(price_t, const Indicator&);

HKU_API Indicator operator<=(const Indicator&, const Indicator&);
HKU_API Indicator operator<=(const Indicator&, price_t);
HKU_API Indicator operator<=(price_t, const Indicator&);

} /* namespace hku */
#endif /* INDICATOR_H_ */