OrderBookListener.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.
*
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*/

#pragma once

#include <OnixS/Eurex/MarketData/ABI.h>

namespace OnixS
{
    namespace Eurex
    {
        namespace MarketData
        {
            namespace EOBI
            {
                ONIXS_EUREX_EMDI_API_DECL (class, OrderBook);

                /// Order Book listener.
                class OrderBookListener
                {
                    public:
                        /// Is called when the book is updated.
                        ///
                        virtual void onOrderBookUpdated (const OrderBook& book) = 0;

                        /// Is called when no data is coming during a reasonable
                        /// period of time. Since the moment of call books
                        /// must be considered as outdated. Further
                        /// call of 'OrderBookListener' members makes a particular
                        /// book as up-to-date.
                        virtual void onOrderBookOutOfDate (const OrderBook& book) = 0;

                    protected:
                        /// Destructor.
                        virtual ~OrderBookListener() {}
                };
            }
        }
    }
}