WarningListener.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/MTS/BondVision/SDP/ABI.h"

namespace OnixS {
namespace Mts {
namespace BondVision {
namespace SDP {

/// Defines an interface through which the Handler notifies subscribers
/// about warnings occurred while processing messages.
class WarningListener
{
public:
    /// Implement this member to get notified about warnings.
    /// @param description supplies notes on occurred error.
    virtual void onWarning (const std::string& description) = 0;

protected:
    /// Class provides an interface for handling trading system events.
    /// It doesn't provide an interface for instance deletion. However,
    /// since C++ doesn't have pure interface concept, destructor will be
    /// generated anyway. We can only control proper use of it. For this
    /// reason we hide from public use and make it available for descendants.
    virtual ~WarningListener() {}
};
}
}
}
}