messageFactory.h

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/*********************************************************************
** Copyright (c) 1998 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: messageFactory.h,v $ $Revision: 1.2 $ $State: Exp $
*********************************************************************/

#ifndef DtMessageFactory_H_
#define DtMessageFactory_H_



#include <vlutil/vlBaseMsg.h>
#include <map>


template <typename T_Message, typename T_MessageKind, typename T_NetworkHeader>
class DtMessageFactory
{
public:

   typedef T_Message* (*DtReceiveMessageCreator)(
      const T_NetworkHeader* packet, MAKRti::DtBufferPtr buffer);

   typedef T_Message* (*DtSendMessageCreator)(MAKRti::DtBufferPtr buffer);

   typedef std::map<T_MessageKind, DtReceiveMessageCreator> DtReceiveCreatorMap;

   typedef std::map<T_MessageKind, DtSendMessageCreator> DtSendCreatorMap;

public:

   DtMessageFactory();

   DtMessageFactory(const DtMessageFactory& orig);

   ~DtMessageFactory();

   DtMessageFactory& operator=(const DtMessageFactory& orig);

   T_Message* create(T_MessageKind kind, 
      MAKRti::DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);



   T_Message* create(const T_NetworkHeader* packet,
      MAKRti::DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);

   DtSendMessageCreator addSendCreator(T_MessageKind kind, 
      DtSendMessageCreator creator);

   DtReceiveMessageCreator addRecvCreator(T_MessageKind kind, 
      DtReceiveMessageCreator creator);

   void addCreators(T_MessageKind kind,
      DtReceiveMessageCreator rCreator, DtSendMessageCreator sCreator);

   int packetGood(const T_NetworkHeader* packet) const;

public:

   static int dfltPacketGood(const T_NetworkHeader* packet);

protected:

   DtSendCreatorMap mySendCreators;

   DtReceiveCreatorMap myReceiveCreators;
};

#include "messageFactory.inl"

#endif