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

namespace OnixS
{
    namespace Eurex
    {
        namespace MarketData
        {
            /// Provides notifications about feed activity events
            class FeedActivityListener
            {
            public:
                /// Is called when no data is coming on the feed during a reasonable period of time.
                /// This period is specified by 'HandlerSettings::heartbeatInterval'.
                virtual void onFeedInactivity(NetFeedType::Enum feedType, NetFeedRole::Enum feedRole) = 0;

                /// Is called when the data appedred on feed after inactivity event happened.
                virtual void onFeedActivity(NetFeedType::Enum feedType, NetFeedRole::Enum feedRole) = 0;

            protected:
                virtual ~FeedActivityListener () {}
            };
        }
    }
}