G4XmlFileManager.cc

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// Author: Ivana Hrivnacova, 18/06/2013  ([email protected])
 
#include "G4XmlFileManager.hh"
#include "G4XmlHnFileManager.hh"
#include "G4AnalysisManagerState.hh"
#include "G4AnalysisUtilities.hh"
 
#include "tools/waxml/begend"
 
using namespace G4Analysis;
using namespace tools;
 
//_____________________________________________________________________________
G4XmlFileManager::G4XmlFileManager(const G4AnalysisManagerState& state)
 : G4VTFileManager<std::ofstream>(state)
{
  // Create helpers defined in the base class
  fH1FileManager = std::make_shared<G4XmlHnFileManager<histo::h1d>>(this);
  fH2FileManager = std::make_shared<G4XmlHnFileManager<histo::h2d>>(this);
  fH3FileManager = std::make_shared<G4XmlHnFileManager<histo::h3d>>(this);
  fP1FileManager = std::make_shared<G4XmlHnFileManager<histo::p1d>>(this);
  fP2FileManager = std::make_shared<G4XmlHnFileManager<histo::p2d>>(this);
}
 
//
// private methods
//
 
//_____________________________________________________________________________
G4String G4XmlFileManager::GetNtupleFileName(XmlNtupleDescription* ntupleDescription)
{
  // get ntuple file name
  auto ntupleFileName = ntupleDescription->GetFileName();
  if (ntupleFileName.size() != 0u) {
    // update filename per object per thread
    ntupleFileName =
      GetTnFileName(ntupleFileName, GetFileType()/*, ntupleDescription->GetCycle()*/);
  }
  else {
    // compose ntuple file name from the default file name
    ntupleFileName = GetNtupleFileName(
      ntupleDescription->GetNtupleBooking().name()/*, ntupleDescription->GetCycle()*/);
  }
 
  return ntupleFileName;
}
 
//
// protected methods
//
 
//_____________________________________________________________________________
std::shared_ptr<std::ofstream> G4XmlFileManager::CreateFileImpl(const G4String& fileName)
{
  std::shared_ptr<std::ofstream> file = std::make_shared<std::ofstream>(fileName);
  if ( file->fail() ) {
    Warn(G4String("Cannot create file ") + fileName, fkClass, "CreateFileImpl");
    return nullptr;
  }
 
  waxml::begin(*file);
  return file;
}
 
//_____________________________________________________________________________
G4bool G4XmlFileManager::WriteFileImpl(std::shared_ptr<std::ofstream> /*file*/)
{
  // Nothing to be done here
  return true;
}
 
//_____________________________________________________________________________
G4bool G4XmlFileManager::CloseFileImpl(std::shared_ptr<std::ofstream> file)
{
  if ( ! file ) return false;
 
  // close file
  waxml::end(*file);
  file->close();
 
  return true;
}
 
//
// public methods
//
 
//_____________________________________________________________________________
G4bool G4XmlFileManager::OpenFile(const G4String& fileName)
{
  // Keep and locks file name
  fFileName =  fileName;
  auto name = GetFullFileName(fFileName);
 
  if ( fFile ) {
    Warn(G4String("File ") + fileName + " already exists.", fkClass, "OpenFile");
    fFile.reset();
  }
 
  // Create histograms file (on master)
  if ( fState.GetIsMaster() ) {
    // Create file (and save in in the file map (on master only)
    fFile = CreateTFile(name);
    if ( ! fFile) {
      Warn(G4String("Failed to create file") + fileName, fkClass, "OpenFile");
      return false;
    }
  }
 
  fIsOpenFile = true;
 
  return true;
}
 
//_____________________________________________________________________________
G4bool G4XmlFileManager::CreateNtupleFile(
  XmlNtupleDescription* ntupleDescription)
{
  // Get ntuple file name per object (if defined)
  auto ntupleFileName = GetNtupleFileName(ntupleDescription);
 
  // Create ntuple file name if it does not yet exist
  auto ntupleFile = GetTFile(ntupleFileName, false);
  if ( ntupleFile == nullptr) {
    ntupleFile = CreateTFile(ntupleFileName);
  }
 
  ntupleDescription->SetFile(ntupleFile);
 
  return (ntupleDescription->GetFile() != nullptr);
}
 
//_____________________________________________________________________________
G4bool G4XmlFileManager::CloseNtupleFile(
  XmlNtupleDescription* ntupleDescription)
{
  // Notify not empty file
  auto ntupleFileName = GetNtupleFileName(ntupleDescription);
  auto result = SetIsEmpty(ntupleFileName, ! ntupleDescription->GetHasFill());
 
  // Ntuple files are registered in file manager map.
  // they will be closed with CloseFiles() calls
  ntupleDescription->GetFile().reset();
 
  return result;
}