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salome-med  6.5.0
MEDMEM_RCBase.cxx
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00001 // Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
00002 //
00003 // This library is free software; you can redistribute it and/or
00004 // modify it under the terms of the GNU Lesser General Public
00005 // License as published by the Free Software Foundation; either
00006 // version 2.1 of the License.
00007 //
00008 // This library is distributed in the hope that it will be useful,
00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011 // Lesser General Public License for more details.
00012 //
00013 // You should have received a copy of the GNU Lesser General Public
00014 // License along with this library; if not, write to the Free Software
00015 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00016 //
00017 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00018 //
00019 #include "MEDMEM_RCBase.hxx"
00020 #ifdef _DEBUG_
00021 #include <iostream>
00022 #endif
00023 
00024 MEDMEM::RCBASE::RCBASE():_cnt(1)
00025 {
00026 }
00027 
00028 MEDMEM::RCBASE::~RCBASE()
00029 {
00030 }
00036 void MEDMEM::RCBASE::clearRefCouner()
00037 {
00038   _cnt = -100;
00039 }
00040 
00041 void MEDMEM::RCBASE::addReference() const
00042 {
00043   _cnt++;
00044 }
00045 
00046 bool MEDMEM::RCBASE::removeReference() const
00047 {
00048   bool ret=((--_cnt)==0);
00049   if(ret)
00050     delete this;
00051   return ret;
00052 }
00053 
00054 MEDMEM::AutoDeref::AutoDeref(const RCBASE* obj): _obj(obj)
00055 {
00056 }
00057 
00058 MEDMEM::AutoDeref::~AutoDeref()
00059 {
00060   if ( _obj )
00061   {
00062     _obj->removeReference();
00063     _obj = 0;
00064   }
00065 }