HandlerStateListener.h

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/*
* Copyright Onix Solutions Limited [OnixS]. All rights reserved.
*
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* and international copyright treaties.
*
* Access to and use of the software is governed by the terms of the applicable OnixS Software
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* 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
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*/

#pragma once

#include <string>

#include <OnixS/CboeCFE/Trading/BOE/ABI.h>

namespace OnixS {
namespace CboeCFE {
namespace Trading {
namespace BOE {

/// Defines the state that the handler is in.
///
struct ONIXS_CBOE_CFE_BOE_API HandlerState
{
    /// @copydoc HandlerState
    ///
    enum Enum
    {
        Disconnected,  ///< Disconnected.
        Disconnecting, ///< Disconnecting.
        Connected,     ///< Connected.
        Connecting,    ///< Connecting
    };
};

/// Returns string representation of HandlerState value.
///
ONIXS_CBOE_CFE_BOE_API std::string enumToString (HandlerState::Enum);

ONIXS_CBOE_CFE_BOE_API std::ostream& operator<< (std::ostream& stream, HandlerState::Enum value);

/// Status listener.
///
class HandlerStateListener
{
public:
    /// Implement this member to get notifications about handler state change.
    ///
    virtual void onStateChanged (HandlerState::Enum newState) = 0;

protected:
    /// Disables public <b>delete</b> operator in the interface class.
    ///
    virtual ~HandlerStateListener () {}
};

}
}
}
}