pReflectedObject.h

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/*********************************************************************
  ** Copyright (c) 1992-2010 VT MAK
 ** All rights reserved.
 *********************************************************************/

#ifndef pReflectedObject_H_
#define pReflectedObject_H_


 
#include <portal/pEntity.h>
#include <portal/pGenericObject.h>
#include <portal/pAggregate.h>
#include <vlutil/vlString.h>
#include <iosfwd>
#include <list>

namespace MAKVrExchange {

class DtPortalConnection;


//
class DT_DLL_LIBPORTAL DtPortalReflectedObject
{
public:

   DtPortalReflectedObject() {}

   virtual ~DtPortalReflectedObject() {}

   virtual std::ostream &printDataToStream(std::ostream &str) const = 0;

   virtual const DtPortalObject *baseObject() const  = 0;

};

//
template<class T_PortalObject>
class DtPortalReflectedObjectTemplate : public DtPortalReflectedObject
{
public:

   typedef void (*ObjectUpdateCallback)
      (const DtPortalReflectedObjectTemplate<T_PortalObject> &obj, void *usr);

public:

   DtPortalReflectedObjectTemplate(const T_PortalObject &obj);
   virtual ~DtPortalReflectedObjectTemplate();

   DtPortalReflectedObjectTemplate(
      const DtPortalReflectedObjectTemplate<T_PortalObject> &other);

   const DtPortalReflectedObjectTemplate<T_PortalObject>& 
      operator=(const DtPortalReflectedObjectTemplate<T_PortalObject> &other);

   virtual void processUpdate(const T_PortalObject& obj);

   virtual const T_PortalObject *sr() const;

   virtual const DtPortalObject *baseObject() const;

   virtual void addUpdateCallback(ObjectUpdateCallback cb, void* uData) const;

   virtual void removeUpdateCallback(ObjectUpdateCallback cb, void* uData) const;

   virtual std::ostream &printDataToStream(std::ostream &str) const;

public:

   typedef T_PortalObject TheTypeOfThisObject;

protected:

   struct CallbackPair
   {
      ObjectUpdateCallback fcn;
      void *userData;
   };

   typedef std::list<CallbackPair> CallbackPairList;
   mutable CallbackPairList myCallbackList;

   T_PortalObject myObject;
};

std::ostream & operator << (std::ostream &str, const DtPortalReflectedObject &refObj);

}

#define pReflectedObject_INL_
#include <portal/pReflectedObject.inl>
#undef pReflectedObject_INL_

#endif //end #ifndef pReflectedObject_H_