Message.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 <ostream>
#include <string>
 
#include <OnixS/Eurex/MarketData/FieldSet.h>
#include <OnixS/Eurex/MarketData/MessageStringingFlags.h>
#include <OnixS/Eurex/MarketData/SequenceNumber.h>
 
 
namespace OnixS
{
    class AccumulatingAllocator;
 
    namespace FIX
    {
        namespace Core
        {
            namespace Messaging
            {
                class Message;
            }
        }
    }
 
    namespace Eurex
    {
        namespace MarketData
        {

            class
                ONIXS_EUREX_EMDI_API
                Message : public FieldSet
            {
                public:
                    Message (const Message& other);

                    ~Message();

                    FieldValueRef type() const;

                    SequenceNumber seqNum() const;

                    FieldValueRef senderCompId() const;

                    bool operator == (const Message&) const;

                    bool operator != (const Message&) const;

                    std::string
                    toString (
                        char delimiter = 0x1,
                        MessageStringingFlags flags =
                            MessageStringingFlag::IncludeFieldTagNumber) const;

                    std::string
                    toStringWithFieldNames () const
                    {
                        return toString (0x1, MessageStringingFlag::IncludeFieldName);
                    }

                    void
                    toString (
                        std::string& str,
                        char delimiter = 0x1,
                        MessageStringingFlags flags =
                            MessageStringingFlag::IncludeFieldTagNumber) const;
 
 
 
                    // Reassigns message as copy of other one.
                    Message& operator = (const Message&);
 
                private:
                    friend class MessageOperator;
 
                    friend class ProductSnapshot;
                    friend class InstrumentSnapshot;
                    friend class InstrumentIncremental;
                    friend class VarianceFuturesStatus;
                    friend class TotalReturnFuturesStatus;
                    friend class TradeAtReferencePriceStatus;
 
                    friend class DepthSnapshot;
                    friend class DepthIncremental;
                    friend class ProductStateChange;
                    friend class MassInstrumentStateChange;
                    friend class InstrumentStateChange;
                    friend class QuoteRequest;
                    friend class CrossRequest;
                    friend class ComplexInstrumentUpdate;
                    friend class FlexibleInstrumentUpdate;
                    friend class ScaledSimpleInstrumentUpdate;
 
                    friend class OpenInterest;
                    friend class Settlement;
                    friend class ExchangeTrade;
 
                    friend class TopOfBookImplied;
 
                    explicit Message (const FIX::Core::Messaging::Message*);
 
                private:
                    unsigned char impl_[6 * sizeof (size_t)];
                    unsigned char allocatorImpl_[4 * sizeof (size_t)];
 
                    AccumulatingAllocator* allocator_;
                    const FIX::Core::Messaging::Message* message_;
 
                    void construct(const FIX::Core::Messaging::Message& from);
                    void destruct() noexcept;
            };
 
            inline
            std::string
            Message::toString (
                char delimiter,
                MessageStringingFlags flags) const
            {
                std::string str;
 
                toString (str, delimiter, flags);
 
                return str;
            }
 
            // Outputs message into standard stream.
            ONIXS_EUREX_EMDI_API
            std::ostream&
            operator << (
                std::ostream& os,
                const Message& message);
        }
    }
}