updateRoMsg.h

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/*********************************************************************
** Copyright (c) 1998 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: updateRoMsg.h,v $ $Revision: 1.12 $ $State: Exp $
*********************************************************************/


#ifndef DtUpdateRoMsg_H_
#define DtUpdateRoMsg_H_

#include "updateMsg.h"
#include "netUpdateMsg.h"


class DtConnectionMgr;

class DT_DLL_LRC DtUpdateRoMsg : public DtUpdateMsg
{
public:

   DtUpdateRoMsg(DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);

   DtUpdateRoMsg(
      DtObjectInstanceHandle objHand, 
      const char* objName,
      DtObjectClassHandle classHand,
      const DtAhvpBase& theAttributes,
      DtRtiApiTagConstRef theTag,
      DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);

   DtUpdateRoMsg(const DtNetUpdateMsg* netRepMsg,
      DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);

   virtual ~DtUpdateRoMsg();

   virtual DtRtiMsg* clone(bool copy = true) const; 

   virtual void set(DtObjectInstanceHandle objHand, const char* objName, DtObjectClassHandle theClass,
      const DtAhvpBase& theAttributes, DtRtiApiTagConstRef theTag, bool adjustBufferSize = true);

   virtual void setClassHandle(DtObjectClassHandle hand);
   virtual DtObjectClassHandle classHandle() const;

   virtual void setObjHandle(DtObjectInstanceHandle id);
   virtual DtObjectInstanceHandle objHandle() const;

   virtual void printData(DtLogicalTimeFactory* logicalTimeFactory) const;

public:

   static DtRtiMsg* create(DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);
   static DtRtiMsg* create(const DtNetMsgHeader* initial, 
      DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);    

   static void addCallback(DtConnectionMgr *conn, DtUpdateCb cb, void *usr);
   static void removeCallback(DtConnectionMgr *conn, DtUpdateCb cb, void *usr);

protected:
   
   virtual DtNetUpdateMsg* netUpdateRoMsg();
   virtual const DtNetUpdateMsg* netUpdateRoMsg() const;

   virtual DtRtiMsgKind internalDtRtiMsgKind();

   virtual int minSize(const DtAhvpBase* attrs = NULL,
      const char* objName = NULL,
      DtRtiApiTagConstRef theTag = theDefaultTag) const;

   virtual void setNameSize(int size);
   virtual int nameSize() const;

   virtual void setTagSize(int size);
   virtual int tagSize() const;

   virtual int attributeFieldSize() const;

   virtual DtNetAttrs* netAttrs();
   virtual DtNetBigAttrs* netBigAttrs();

   virtual DtNetU32* channelPtr() const;

   virtual char* namePtr();

   virtual char* tagPtr();

   virtual DtUpdateRoMsg* selfRo() const;
};

inline DtUpdateRoMsg* DtUpdateRoMsg::selfRo() const
{
   return const_cast<DtUpdateRoMsg*>( this );
}

#endif