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src/Utils/Utils_DESTRUCTEUR_GENERIQUE.hxx

00001 //  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
00002 //
00003 //  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
00004 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
00005 //
00006 //  This library is free software; you can redistribute it and/or
00007 //  modify it under the terms of the GNU Lesser General Public
00008 //  License as published by the Free Software Foundation; either
00009 //  version 2.1 of the License.
00010 //
00011 //  This library is distributed in the hope that it will be useful,
00012 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 //  Lesser General Public License for more details.
00015 //
00016 //  You should have received a copy of the GNU Lesser General Public
00017 //  License along with this library; if not, write to the Free Software
00018 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00019 //
00020 //  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00021 //
00022 //  SALOME Utils : general SALOME's definitions and tools
00023 //  File   : Utils_DESTRUCTEUR_GENERIQUE.hxx
00024 //  Author : Antoine YESSAYAN, EDF
00025 //  Module : SALOME
00026 //  $Header$
00027 //
00028 # if !defined( __DESTRUCTEUR_GENERIQUE__H__ )
00029 # define __DESTRUCTEUR_GENERIQUE__H__
00030 
00031 #include <SALOMEconfig.h>
00032 
00033 #include "SALOME_Utils.hxx"
00034 
00035 #include <list>
00036 #include <cassert>
00037 #include <omniORB4/CORBA.h>
00038 #include <iostream>
00039 //# include "utilities.h"
00040 
00062 class UTILS_EXPORT DESTRUCTEUR_GENERIQUE_
00063 {
00064 public :
00065   static std::list<DESTRUCTEUR_GENERIQUE_*> *Destructeurs;
00066 
00067   virtual ~DESTRUCTEUR_GENERIQUE_() {}
00068   static const int Ajout( DESTRUCTEUR_GENERIQUE_ &objet );
00069   virtual void operator()( void )=0 ;
00070 };
00071 
00072 
00095 template <class TYPE> class DESTRUCTEUR_DE_ : public DESTRUCTEUR_GENERIQUE_
00096 {
00097 public :
00098   /* Programs the destruction at the end of the process, of the object objet.
00099      This method records in _PtrObjet the address of an object to be destroyed 
00100      at the end of the process
00101   */
00102   DESTRUCTEUR_DE_(TYPE &objet):
00103     _PtrObjet( &objet )
00104   {
00105     assert(DESTRUCTEUR_GENERIQUE_::Ajout( *this ) >= 0) ;
00106   }
00107 
00108   /* Performs the destruction of the object.
00109      This method really destroys the object pointed by _PtrObjet. 
00110      It should be called at the end of the process (i.e. at exit).
00111   */
00112   virtual void operator()(void){
00113     typedef PortableServer::ServantBase TServant;
00114     if(_PtrObjet){
00115       if(dynamic_cast<TServant*>(_PtrObjet)){
00116        // std::cerr << "WARNING: automatic destruction for servant is no more used. It's too late in exit. Use explicit call" << std::endl;
00117   /*
00118       if(TServant* aServant = dynamic_cast<TServant*>(_PtrObjet)){
00119      PortableServer::POA_var aPOA = aServant->_default_POA();
00120      PortableServer::ObjectId_var anObjectId = aPOA->servant_to_id(aServant);
00121      aPOA->deactivate_object(anObjectId.in());
00122      aServant->_remove_ref();
00123   */
00124       }else{
00125      //cerr << "DESTRUCTEUR_GENERIQUE_::operator() deleting _PtrObjet" << endl;
00126      TYPE* aPtr = static_cast<TYPE*>(_PtrObjet);
00127      delete aPtr;
00128       }
00129       _PtrObjet = NULL ;
00130     }
00131   } 
00132 
00133   virtual ~DESTRUCTEUR_DE_(){
00134     assert(!_PtrObjet) ;
00135   }
00136 
00137 private :
00138   TYPE *_PtrObjet ;
00139 };
00140 
00141 
00142 # endif        /* # if !defined( __DESTRUCTEUR_GENERIQUE__H__ ) */