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salome-kernel  6.5.0
Receiver.hxx
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00001 // Copyright (C) 2007-2012  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 
00023 #ifndef _RECEIVER_HXX_
00024 #define _RECEIVER_HXX_
00025 
00026 #include "SALOME_Comm_i.hxx"
00027 
00030 template<class T,class senderPtr, class senderSrv>
00031 class Receiver
00032 {
00033 public:
00034   virtual T *getValue(long &size)=0;
00035   virtual ~Receiver() {}
00036 protected:
00037   virtual T *getValue(long &size,senderPtr sender);
00038   static inline T *getLocalValue(long &size,senderSrv* servant);
00039   virtual T *getDistValue(long &size)=0;
00040 };
00041 
00042 template<class T,class senderPtr, class senderSrv>
00043 T *Receiver<T,senderPtr,senderSrv>::getLocalValue(long &size,senderSrv* servant)
00044 {
00045   const T *src=(const T *)servant->getData(size);
00046   long lgr=size*servant->getSizeOf();
00047   void *ret=new char[lgr];
00048   memcpy(ret,src,lgr);
00049   return (T *)ret;
00050   //return (void *)servant->getData(size);
00051 }
00052 
00053 template<class T,class senderPtr, class senderSrv>
00054 T *Receiver<T,senderPtr,senderSrv>::getValue(long &size,senderPtr sender)
00055 {
00056   senderSrv* data=senderSrv::find(sender);
00057   if(data)
00058     return getLocalValue(size,data);
00059   else
00060     return getDistValue(size);
00061 }
00062 
00063 #endif
00064