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sharedobjectc.h

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/*
Copyright (C) 1999  Carsten Winkelholz

Address:  FGAN Forschungsgesellschaft f�r Angewandte Naturwissenschaften e. V.
      Neuenahrer Str. 20
      D - 53343 Wachtberg
      
Email:    winkelholz@fgan.de

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/


#ifndef SHAREDOBJECTC_H
#define SHAREDOBJECTC_H


#include <stdio.h>
#include <fstream>
#include "oaw/misc/kettec.h"
#include "oaw/misc/arrayc.h"
#include "objectc.h"

class ObjectI;


#include "../oawconfig.h"

OAW_BEGIN_NAMESPACE

class OAW_DLLMAPPING SharedObjectI{
public:
  virtual void SignAsUser(ObjectI*)=0;
  virtual void UnsignAsUser(ObjectI*)=0;
};

class OAW_DLLMAPPING SharedObjectC : public virtual SharedObjectI, public virtual ObjectI
{
public:
  SharedObjectC();
  virtual ~SharedObjectC();

  void* operator new(size_t);

  void* operator new(size_t nSize, const char* lpszFileName, int nLine);
  void operator delete(void* p, const char* lpszFileName, int nLine);

  inline void SetRootUser(ObjectI* pObj){m_rootUser = pObj;}
  void operator delete(void*);
  void SignAsListener(ObjectI*);
  void UnsignAsListener(ObjectI*);
  void SignAsUser(ObjectI*);
  void UnsignAsUser(ObjectI*);
  int CreatedWithNew(){return m_cwn;}
  virtual void GarbageCollection(){}
  virtual short RootIsLinkedAsAUser(ArrayC<SharedObjectC*>&);
  void SendMessageToUser(void*,int);
protected:
  void SendDestroyMsgToListener();
  void SendDestroyMsgToUser();
  inline void ResetSearchFlag(){m_searchFlag=0;}
private:
  ArrayC<ObjectI*> m_users;
  ArrayC<long> m_usersRefCount;
  KetteC<ObjectI*> m_listener;
  int m_cwn;
  static int m_cwntmp;
  ObjectI* m_rootUser;
  short m_searchFlag;
  short m_rootIsUser;
};


OAW_END_NAMESPACE


#endif

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