G4Hdf5NtupleFileManager.cc

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// Author: Ivana Hrivnacova, 15/09/2020  ([email protected])
 
#include "G4Hdf5NtupleFileManager.hh"
#include "G4Hdf5NtupleManager.hh"
#include "G4Hdf5FileManager.hh"
#include "G4AnalysisManagerState.hh"
#include "G4AnalysisUtilities.hh"
 
#include "G4Threading.hh"
 
#include <iostream>
 
using namespace G4Analysis;
 
// 
// utility methods
//
 
//_____________________________________________________________________________
G4Hdf5NtupleFileManager::G4Hdf5NtupleFileManager(const G4AnalysisManagerState& state)
 : G4VNtupleFileManager(state, "hdf5"),
   fFileManager(nullptr),
   fNtupleManager(nullptr)
{}
 
//_____________________________________________________________________________
G4Hdf5NtupleFileManager::~G4Hdf5NtupleFileManager()
{}
 
// 
// private methods
//
 
//_____________________________________________________________________________
G4bool G4Hdf5NtupleFileManager::CloseNtupleFiles()
{
 // Close ntuple files
 
  auto finalResult = true;
  auto ntupleVector = fNtupleManager->GetNtupleDescriptionVector();
  for ( auto ntupleDescription : ntupleVector) {
    auto result = fFileManager->CloseNtupleFile(ntupleDescription);
    finalResult = finalResult && result;
  }
 
  return finalResult;
}
 
//
// public methods
//
 
//_____________________________________________________________________________
std::shared_ptr<G4VNtupleManager> G4Hdf5NtupleFileManager::CreateNtupleManager()
{
 
  // The managers will be deleted by the base class
  fNtupleManager = std::make_shared<G4Hdf5NtupleManager>(fState);
  fNtupleManager->SetFileManager(fFileManager);
 
  return fNtupleManager;
}
 
//_____________________________________________________________________________
G4bool G4Hdf5NtupleFileManager::ActionAtOpenFile(const G4String& /*fileName*/)
{
  // Create ntuples if they are booked  
  // (The files will be created with creating ntuples)
  fNtupleManager->CreateNtuplesFromBooking(
    fBookingManager->GetNtupleBookingVector());
 
  return true;
}
 
//_____________________________________________________________________________
G4bool G4Hdf5NtupleFileManager::ActionAtWrite()
{
  // notify that ntuple file is not empty
 
  auto finalResult = true;
 
  // Notify that ntuple files are not empty
  auto ntupleVector
    = fNtupleManager->GetNtupleDescriptionVector();
 
  for ( auto ntupleDescription : ntupleVector) {
    if (ntupleDescription->fFile) {
      auto result = fFileManager->SetIsEmpty(ntupleDescription->fFileName, false);
      finalResult = finalResult && result;
    }
  }
 
  return finalResult;
}
 
//_____________________________________________________________________________
G4bool G4Hdf5NtupleFileManager::ActionAtCloseFile(G4bool reset)
{
  auto finalResult = true;
 
  // Close ntuple files
  auto result = CloseNtupleFiles();
  finalResult = finalResult && result;
 
  if ( ! reset ) {
    // The ntuples must be always reset when closing file) 
    result = Reset();
    if ( ! result ) {
      G4ExceptionDescription description;
      description << "      " << "Resetting data failed";
      G4Exception("G4Hdf5NtupleFileManager::CloseFile()",
                "Analysis_W021", JustWarning, description);
    }
    finalResult = finalResult && result;
  }
 
  return finalResult;
}
 
//_____________________________________________________________________________
G4bool G4Hdf5NtupleFileManager::Reset()
{
  return fNtupleManager->Reset(true);
}