BaseObjectPtr.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef _ODABASEOBJECTPOINTER_INCLUDED_
#define _ODABASEOBJECTPOINTER_INCLUDED_
 
#include "TD_PackPush.h"
 
class OdRxObject;
 
class FIRSTDLL_EXPORT OdBaseObjectPtr
{
protected:
  OdRxObject* m_pObject;
  
  OdBaseObjectPtr() : m_pObject(0) {}
  explicit OdBaseObjectPtr(const OdRxObject *pSource) : m_pObject(const_cast<OdRxObject*>(pSource)) {}
public:
  OdRxObject* get() const { return m_pObject; }
  
  bool isNull() const { return m_pObject == 0; }
};
 
#include "TD_PackPop.h"
 
#endif // _ODABASEOBJECTPOINTER_INCLUDED_