MboBook.h

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// Copyright Onix Solutions Limited [OnixS]. All rights reserved.
//
// This software owned by Onix Solutions Limited [OnixS] and is
// protected by copyright law and international copyright treaties.
//
// Access to and use of the software is governed by the terms of the applicable
// OnixS Software Services Agreement (the Agreement) and Customer end user license
// agreements granting a non-assignable, non-transferable and non-exclusive license
// to use the software for it's own data processing purposes under the terms defined
// in the Agreement.
//
// Except as otherwise granted within the terms of the Agreement, copying or
// reproduction of any part of this source code or associated reference material
// to any other location for further reproduction or redistribution, and any
// amendments to this copyright notice, are expressly prohibited.
//
// Any reproduction or redistribution for sale or hiring of the Software not in
// accordance with the terms of the Agreement is a violation of copyright law.
//
 
#pragma once
 
#include <OnixS/CME/MDH/BookAttributes.h>
#include <OnixS/CME/MDH/MboBookTraits.h>
 
ONIXS_CMEMDH_NAMESPACE_BEGIN

class ONIXS_CMEMDH_LTWT MboBookBase
{
protected:
    typedef MemoryPoolAllocator<Order> OrderAllocator;

    MboBookBase()
        : pool_(*makeMemoryPool(64, 1, 20, 1))
        , releasePool_(true)
    {
    }

    MboBookBase(MemoryPool& sharedPool)
        : pool_(sharedPool)
        , releasePool_(false)
    {
    }

    ~MboBookBase()
    {
        if (releasePool_)
            pool_.release();
    }

    OrderAllocator allocator() const
    {
        return OrderAllocator(pool_);
    }
 
private:
    MemoryPool& pool_;
    const bool releasePool_;
};

class ONIXS_CMEMDH_LTWT MboBook : MboBookBase
{
public:
    typedef Order Entry;

    typedef SortedOrders::size_type Depth;

    typedef SortedOrders Entries;

    typedef Entries::const_iterator EntryIterator;

    MboBook()
        : state_(BookState::Constructed)
        , bids_(allocator())
        , offers_(allocator())
    {
    }

    MboBook(MemoryPool& pool)
        : MboBookBase(pool)
        , state_(BookState::Constructed)
        , bids_(allocator())
        , offers_(allocator())
    {
    }

    MboBook(const MboBook& other)
        : MboBookBase()
        , state_(other.state())
        , bids_(allocator())
        , offers_(allocator())
    {
        bids_ = other.bids();
        offers_ = other.offers();
    }

    ~MboBook() {}

    Entries& bids()
    {
        return bids_;
    }

    Entries& operator[](const Bids&)
    {
        return bids_;
    }

    const Entries& bids() const
    {
        return bids_;
    }

    const Entries& operator[](const Bids&) const
    {
        return bids_;
    }

    Entries& offers()
    {
        return offers_;
    }

    Entries& operator[](const Offers&)
    {
        return offers_;
    }

    const Entries& offers() const
    {
        return offers_;
    }

    const Entries& operator[](const Offers&) const
    {
        return offers_;
    }

    BookState::Enum state() const
    {
        return state_;
    }

    void state(BookState::Enum state)
    {
        state_ = state;
    }

    void reset(BookState::Enum bookState)
    {
        state(bookState);
 
        bids_.clear();
        offers_.clear();
    }

    MboBook& operator=(const MboBook& other)
    {
        if (this != &other)
        {
            state_ = other.state();
 
            bids_ = other.bids();
            offers_ = other.offers();
        }
 
        return *this;
    }
 
private:
    BookState::Enum state_;
 
    SortedOrders bids_;
    SortedOrders offers_;
};

inline MboBook& copy(MboBook& target, const MboBook& source)
{
    target = source;
    return target;
}

ONIXS_CMEMDH_EXPORTED
void brief(std::string&, const MboBook&);

inline std::string brief(const MboBook& book)
{
    std::string str;
 
    brief(str, book);
 
    return str;
}

ONIXS_CMEMDH_EXPORTED
void toStr(std::string&, const MboBook&);

inline std::string toStr(const MboBook& book)
{
    std::string str;
 
    toStr(str, book);
 
    return str;
}

ONIXS_CMEMDH_EXPORTED
void toFormattedStr(std::string&, const MboBook&);

inline std::string toFormattedStr(const MboBook& book)
{
    std::string str;
 
    toFormattedStr(str, book);
 
    return str;
}
 
ONIXS_CMEMDH_NAMESPACE_END