DirectPriceLevel.h

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// Copyright Onix Solutions Limited [OnixS]. All rights reserved.
//
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#pragma once

#include <OnixS/CME/MDH/ImpliedPriceLevel.h>

ONIXS_CMEMDH_NAMESPACE_BEGIN

/// Encapsulates price level concept.
ONIXS_CMEMDH_LTWT_CLASS
DirectPriceLevel
: public ImpliedPriceLevel
{
    // Number of orders. 
    Int32 ordersQty_;

public:
    /// Initializes undefined level.
    DirectPriceLevel()
    : ordersQty_(0)
    {
    }

    /// Initializes as copy of other level.
    DirectPriceLevel(
        const DirectPriceLevel& other)
        : ImpliedPriceLevel(
            static_cast
            <const ImpliedPriceLevel&>
            (other))
        , ordersQty_(
            other.ordersQty_)
    {
    }

    /// Initializes defined level 
    /// according to specified attributes.
    DirectPriceLevel(
        const Decimal& price, 
        Int32 qty, 
        Int32 ordersQty)
        : ImpliedPriceLevel(price, qty)
        , ordersQty_(ordersQty)
    {
    }

    // Actually, does nothing. 
    ~DirectPriceLevel()
    {
    }

    /// Updates total number of orders.
    Int32& numberOfOrders()
    {
        return ordersQty_;
    }

    /// Total number of orders of given price.
    Int32 numberOfOrders() const
    {
        return ordersQty_;
    }

    /// Re-initializes as copy of other instance.
    DirectPriceLevel& 
    operator =(
        const DirectPriceLevel& other)
    {
        *static_cast<ImpliedPriceLevel*>(this) = 
            static_cast<const ImpliedPriceLevel&>(other);

        ordersQty_ = other.ordersQty_;

        return *this;
    }
}; 

/// Serializes price level attributes into a string. 
ONIXS_CMEMDH_EXPORTED
void
toStr(
    std::string&,
    const DirectPriceLevel&);

/// Serializes price level attributes into a string. 
inline
std::string
toStr(
    const DirectPriceLevel& priceLevel)
{
    std::string str;

    toStr(str, priceLevel);

    return str;
}

ONIXS_CMEMDH_NAMESPACE_END