General KERNEL Documentation

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src/Basics/BasicsGenericDestructor.hxx

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//  SALOME Basics : general SALOME definitions and tools (C++ part - no CORBA)
//
//  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
// 
//  This library is free software; you can redistribute it and/or 
//  modify it under the terms of the GNU Lesser General Public 
//  License as published by the Free Software Foundation; either 
//  version 2.1 of the License. 
// 
//  This library 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 
//  Lesser General Public License for more details. 
// 
//  You should have received a copy of the GNU Lesser General Public 
//  License along with this library; if not, write to the Free Software 
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
// 
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
//
//
//  File   : BasicGenericDestructor.hxx
//  Author : Antoine YESSAYAN, Paul RASCLE, EDF
//  Module : SALOME
//  $Header: /home/server/cvs/KERNEL/KERNEL_SRC/src/Basics/BasicsGenericDestructor.hxx,v 1.3 2006/06/01 11:15:15 jfa Exp $

#ifndef _BASICGENERICDESTRUCTOR_HXX_
#define _BASICGENERICDESTRUCTOR_HXX_

#include <list>
#include <algorithm>
#include <cassert>
#include <typeinfo>
#include <iostream>
#include <cstdlib>
#include <pthread.h>

#if defined BASICS_EXPORTS
#if defined WIN32
#define BASICS_EXPORT __declspec( dllexport )
#else
#define BASICS_EXPORT
#endif
#else
#if defined WNT
#define BASICS_EXPORT __declspec( dllimport )
#else
#define BASICS_EXPORT
#endif
#endif

//#define _DEVDEBUG_

#ifdef _DEVDEBUG_
#define MYDEVTRACE {std::cerr << __FILE__ << " [" << __LINE__ << "] : ";}
#define DEVTRACE(msg) {MYDEVTRACE; std::cerr<<msg<<std::endl<<std::flush;}
#else
#define MYDEVTRACE
#define DEVTRACE(msg)
#endif

// ============================================================================
// ============================================================================

class PROTECTED_DELETE
{
public:
  static void deleteInstance(PROTECTED_DELETE *anObject);
  static void addObj(PROTECTED_DELETE *anObject);

protected:
  virtual ~PROTECTED_DELETE();
  static std::list<PROTECTED_DELETE*> _objList;

private:
  static pthread_mutex_t _listMutex;
};

// ============================================================================
// ============================================================================

class GENERIC_DESTRUCTOR
{
public :
  BASICS_EXPORT static std::list<GENERIC_DESTRUCTOR*> *Destructors;

  virtual ~GENERIC_DESTRUCTOR() {};
  BASICS_EXPORT static const int Add(GENERIC_DESTRUCTOR &anObject);
  BASICS_EXPORT virtual void operator()(void) = 0;
};

// ============================================================================
// ============================================================================

template <class TYPE> class DESTRUCTOR_OF : public GENERIC_DESTRUCTOR
{

public:
  DESTRUCTOR_OF(TYPE &anObject):
    _objectPtr(&anObject)
  {
    DEVTRACE(" DESTRUCTOR_OF " << typeid(anObject).name() 
          << " " << _objectPtr << " " << this );
    PROTECTED_DELETE::addObj(_objectPtr);
    assert(GENERIC_DESTRUCTOR::Add(*this) >= 0);
  }

  virtual void operator()(void)
  {
    if (_objectPtr)
      {
     DEVTRACE("DESTRUCTOR_OF<>::operator() " << _objectPtr);
     if (_objectPtr) PROTECTED_DELETE::deleteInstance(_objectPtr);
     _objectPtr = NULL;
      }
  }

  virtual ~DESTRUCTOR_OF()
  {
    DEVTRACE("~DESTRUCTOR_OF() " << this);
    assert(!_objectPtr);
  }

private:
  TYPE *_objectPtr;
};

# endif

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General KERNEL Documentation

End User KERNEL Services

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