include/Geant4/G4XmlRFileManager.icc

0001 //
0002 // ********************************************************************
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0024 // ********************************************************************
0025 //
0026 //
0027 // Author: Ivana Hrivnacova, 26/08/2021 (ivana@ipno.in2p3.fr)
0028
0029 #include "G4AnalysisUtilities.hh"
0030
0031 //_____________________________________________________________________________
0032 template <typename HT>
0033 inline
0034 tools::raxml_out* G4XmlRFileManager::GetHandler(
0035   const G4String& fileName, const G4String& objectName,
0036   std::string_view inFunction)
0037 {
0038 // Get buffer for reading object specified by objectName and objectType
0039 // for a file specified by fileName;
0040 // open the file if it was not yet open
0041
0042   // Histograms and profiles are not saved per thread
0043   // and ntuple file name is already updated
0044   auto rfile = GetRFile(fileName);
0045   if ( ! rfile ) {
0046     if ( ! OpenRFile(fileName) ) return nullptr;
0047     rfile = GetRFile(fileName);
0048   }
0049
0050   tools::raxml_out* handler = nullptr;
0051   if ( rfile ) {
0052     std::vector<tools::raxml_out>& objects = rfile->objects();
0053     std::vector<tools::raxml_out>::iterator it;
0054     for (it = objects.begin(); it!=objects.end(); ++it) {
0055       tools::raxml_out& object = *it;
0056       if ((object.cls() == HT::s_class()) && (object.name() == objectName)) {
0057         handler = &object;
0058         handler->disown();
0059         break;
0060       }
0061     }
0062   }
0063
0064   if ( ! handler ) {
0065     G4Analysis::Warn(
0066       "Cannot get " + objectName + " in file " + fileName,
0067       fkClass, inFunction);
0068     return nullptr;
0069   }
0070
0071   return handler;
0072 }