messagebus.hpp

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//-------------------------------------------------------------------------------------------------
/*

Fix8 is released under the GNU LESSER GENERAL PUBLIC LICENSE Version 3.

Fix8 Open Source FIX Engine.
Copyright (C) 2010-16 David L. Dight <fix@fix8.org>

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*/
//-------------------------------------------------------------------------------------------------
#ifndef FIX8_MESSAGEBUS_HPP_
#define FIX8_MESSAGEBUS_HPP_

//-------------------------------------------------------------------------------------------------
namespace FIX8
{

//-------------------------------------------------------------------------------------------------
namespace MBUS
{

//-------------------------------------------------------------------------------------------------
class GenericMessage
{
public:
   GenericMessage() {}

   virtual ~GenericMessage() {}
};

//-------------------------------------------------------------------------------------------------
class MessageBusSubscriber
{
public:
   MessageBusSubscriber() {}

   virtual ~MessageBusSubscriber() {}

   virtual bool receive_message(const GenericMessage *msg) { return false; }
};

//-------------------------------------------------------------------------------------------------
class MessageBus
{
public:
   MessageBus() {}

   virtual ~MessageBus() {}

   virtual bool start() { return true; }

   virtual bool stop() { return true; }

   virtual bool publish(const f8String& topic, const GenericMessage *msg) { return false; }

   virtual bool subscribe(MessageBusSubscriber *subscriber, const f8String& topic) { return false; }

   virtual MessageBusSubscriber *subscribe(const f8String& topic) { return nullptr; }

   virtual bool unsubscribe(MessageBusSubscriber *subscriber, const f8String& topic) { return false; }
};

//-------------------------------------------------------------------------------------------------

} // MBUS
} // FIX8

#endif // FIX8_MESSAGEBUS_HPP_