G4RootRFileManager.cc

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// Author: Ivana Hrivnacova, 10/09/2014  (ivana@ipno.in2p3.fr)
 
#include "G4RootRFileManager.hh"
#include "G4RootRFileDef.hh"
#include "G4RootHnRFileManager.hh"
#include "G4AnalysisManagerState.hh"
#include "G4AnalysisUtilities.hh"
 
#include "tools/rroot/file"
#include "toolx/zlib"
 
using namespace G4Analysis;
using namespace tools;
 
//_____________________________________________________________________________
G4RootRFileManager::G4RootRFileManager(const G4AnalysisManagerState& state)
 : G4VRFileManager(state)
{
  // Create helpers defined in the base class
  fH1RFileManager = std::make_shared<G4RootHnRFileManager<histo::h1d>>(this);
  fH2RFileManager = std::make_shared<G4RootHnRFileManager<histo::h2d>>(this);
  fH3RFileManager = std::make_shared<G4RootHnRFileManager<histo::h3d>>(this);
  fP1RFileManager = std::make_shared<G4RootHnRFileManager<histo::p1d>>(this);
  fP2RFileManager = std::make_shared<G4RootHnRFileManager<histo::p2d>>(this);
}
 
//_____________________________________________________________________________
G4RootRFileManager::~G4RootRFileManager()
{
  // Delete all open file and their directories
  for ( auto& mapElement : fRFiles ) {
    auto rfileTuple = mapElement.second;
    delete std::get<1>(*rfileTuple);  // histo directory
    delete std::get<2>(*rfileTuple);; // ntuple directory
    delete std::get<0>(*rfileTuple);  // rfile
    delete rfileTuple;
  }
}
 
//
// public methods
//
 
//_____________________________________________________________________________
G4bool G4RootRFileManager::OpenRFile(const G4String& fileName,
                                     G4bool isPerThread)
{
  // Get full file name
  G4String name = GetFullFileName(fileName, isPerThread);
 
  Message(kVL4, "open", "read analysis file", name);
 
  // create new file
  auto newFile = new tools::rroot::file(G4cout, name);
  newFile->add_unziper('Z',toolx::decompress_buffer);
 
  if ( ! newFile->is_open() ) {
    Warn("Cannot open file " + name, fkClass, "OpenRFile");
    delete newFile;
    return false;
  }
 
  auto newFileTuple = new G4RootRFile(newFile, nullptr, nullptr);
 
  // add file in a map and delete the previous file if it exists
  auto it = fRFiles.find(name);
  if ( it != fRFiles.end() ) {
    delete it->second;
    it->second = newFileTuple;
  }
  else {
    fRFiles[name] = newFileTuple;
  }
 
  Message(kVL1, "open", "read analysis file", name);
 
  return true;
}
 
//_____________________________________________________________________________
G4RootRFile* G4RootRFileManager::GetRFile(const G4String& fileName,
                                          G4bool isPerThread) const
{
  // Get full file name
  G4String name = GetFullFileName(fileName, isPerThread);
 
  auto it = fRFiles.find(name);
  if (it != fRFiles.end()) {
    return it->second;
  }
  return nullptr;
}