geant4/source/analysis/management/include/G4THnManager.icc

//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//

// Author: Ivana Hrivnacova, 23/06/2015  (ivana@ipno.in2p3.fr)

#include "G4AnalysisManagerState.hh"
#include "G4HnManager.hh"
#include "G4AnalysisUtilities.hh"
#include "G4AutoLock.hh"

#include <iomanip>

using std::to_string;

//_____________________________________________________________________________
template <typename HT>
G4THnManager<HT>::G4THnManager(const G4AnalysisManagerState& state)
  : fState(state)
{
  fHnManager = std::make_shared<G4HnManager>(G4Analysis::GetHnType<HT>(), state);
}

//_____________________________________________________________________________
template <typename HT>
G4THnManager<HT>::~G4THnManager()
{
  for ( auto t : fTVector ) {
    delete t;
  }
}

//
// protected methods
//

//_____________________________________________________________________________
template <typename HT>
std::pair<HT*, G4HnInformation*>  G4THnManager<HT>::GetTHnInFunction(
  G4int id, std::string_view functionName, G4bool warn, G4bool onlyIfActive) const
{
  G4int index = id - fHnManager->GetFirstId();
  if ( index < 0 || index >= G4int(fTHnVector.size()) ) {
    if ( warn) {
      G4Analysis::Warn("Histogram " + to_string(id) + " does not exist.",
        fkClass, functionName);
    }
    return {nullptr, nullptr};
  }

  // Do not return histogram if inactive
  if ( fState.GetIsActivation() && onlyIfActive && ( ! fHnManager->GetActivation(id) ) ) {
    return {nullptr, nullptr};
  }

  return fTHnVector[index];
}

//_____________________________________________________________________________
template <typename HT>
HT* G4THnManager<HT>::GetTInFunction(
  G4int id, std::string_view functionName, G4bool warn, G4bool onlyIfActive) const
{
  return GetTHnInFunction(id, functionName, warn, onlyIfActive).first;
}

//_____________________________________________________________________________
template <typename HT>
G4int  G4THnManager<HT>::GetTId(const G4String& name, G4bool warn) const
{
  auto it = fNameIdMap.find(name);
  if ( it ==  fNameIdMap.end() ) {
    if ( warn) {
      G4Analysis::Warn("histogram " + name + " does not exist.",
        fkClass, "GetTId");
    }
    return G4Analysis::kInvalidId;
  }
  return it->second;
}

//_____________________________________________________________________________
template <typename HT>
G4bool  G4THnManager<HT>::IsVerbose(G4int verboseLevel) const
{
  return fState.IsVerbose(verboseLevel);
}

//_____________________________________________________________________________
template <typename HT>
void G4THnManager<HT>::Message(
  G4int level, const G4String& action, const G4String& objectType,
  const G4String& objectName, G4bool success) const
{
  fState.Message(level, action, objectType, objectName, success);
}

//_____________________________________________________________________________
template <typename HT>
void G4THnManager<HT>::AddTVector(const std::vector<HT*>& tVector)
{
  Message(G4Analysis::kVL4, "merge", "all " + fHnManager->GetHnType());

  // std::vector<tools::histo::h1d*>::const_iterator itw = h1Vector.begin();
  // std::vector<tools::histo::h1d*>::iterator it;
  // for (it = fH1Vector.begin(); it != fH1Vector.end(); it++ ) {
  //   (*it)->add(*(*itw++));
  // }
  auto itw = tVector.begin();
  for ( auto t : fTVector ) {
    t->add(*(*itw));
    (*itw++)->reset();
  }

  Message(G4Analysis::kVL1, "merge", "all " + fHnManager->GetHnType());
}

//_____________________________________________________________________________
template <typename HT>
void  G4THnManager<HT>::Merge(
  G4Mutex& mergeMutex, G4THnManager<HT>* masterInstance)
{
  G4AutoLock lH1(&mergeMutex);
  masterInstance->AddTVector(fTVector);
  lH1.unlock();
}

//_____________________________________________________________________________
template <typename HT>
typename std::vector<HT*>::iterator G4THnManager<HT>::BeginT()
{
  return fTVector.begin();
}

//_____________________________________________________________________________
template <typename HT>
typename std::vector<HT*>::iterator G4THnManager<HT>::EndT()
{
  return fTVector.end();
}

//_____________________________________________________________________________
template <typename HT>
typename std::vector<HT*>::const_iterator G4THnManager<HT>::BeginConstT() const
{
  return fTVector.begin();
}

//_____________________________________________________________________________
template <typename HT>
typename std::vector<HT*>::const_iterator G4THnManager<HT>::EndConstT() const
{
  return fTVector.end();
}

//
// public methods
//

//_____________________________________________________________________________
template <typename HT>
G4int G4THnManager<HT>::RegisterT(const G4String& name, HT* ht, G4HnInformation* info)
{
  G4int index = (G4int)fTVector.size();
  fTVector.push_back(ht);
  fTHnVector.push_back({ht, info});

  fHnManager->SetLockFirstId(true);
  fNameIdMap[name] = index + fHnManager->GetFirstId();
  return index + fHnManager->GetFirstId();
}

//_____________________________________________________________________________
template <typename HT>
G4bool G4THnManager<HT>::Reset()
{
// Reset histograms

  auto result = true;

  for ( auto t : fTVector ) {
    result &= t->reset();
  }

  return result;
}

//_____________________________________________________________________________
template <typename HT>
void
G4THnManager<HT>::ClearData()
{
  for ( auto t : fTVector ) {
    delete t;
  }

  fTVector.clear();
  fTHnVector.clear();
  fNameIdMap.clear();

  if ( fHnManager != nullptr ) {
    fHnManager->ClearData();
  }

  Message(G4Analysis::kVL2, "clear", G4Analysis::GetHnType<HT>());
}

//_____________________________________________________________________________
template <typename HT>
G4bool G4THnManager<HT>::IsEmpty() const
{
  return ! fTVector.size();
}

//_____________________________________________________________________________
template <typename HT>
HT* G4THnManager<HT>::GetT(G4int id, G4bool warn, G4bool onlyIfActive) const
{
  return GetTInFunction(id, "GetT", warn, onlyIfActive);
}

//_____________________________________________________________________________
template <typename HT>
std::vector<HT*>* G4THnManager<HT>::GetTVector()
{
  return &fTVector;
}

//_____________________________________________________________________________
template <typename HT>
const std::vector<HT*>& G4THnManager<HT>::GetTVectorRef() const
{
  return fTVector;
}

//_____________________________________________________________________________
template <typename HT>
std::vector<std::pair<HT*, G4HnInformation*>>* G4THnManager<HT>::GetTHnVector()
{
  return &fTHnVector;
}

//_____________________________________________________________________________
template <typename HT>
const std::vector<std::pair<HT*, G4HnInformation*>>& G4THnManager<HT>::GetTHnVectorRef() const
{
  return fTHnVector;
}

//_____________________________________________________________________________
template <typename HT>
G4bool G4THnManager<HT>::List(std::ostream& output, G4bool onlyIfActive) const
{
  // Save current output stream formatting
  std::ios_base::fmtflags outputFlags(output.flags() );

  // List general info
  output << fHnManager->GetHnType() << ": " << fHnManager->GetNofActiveHns() << " active ";
  if (! onlyIfActive) {
     output << " of " << fHnManager->GetNofHns() << " defined ";
  }
  output << G4endl;

  // Define optimal field widths
  size_t maxNameLength = 0;
  size_t maxTitleLength = 0;
  size_t maxEntries = 0;
  for ( const auto& [ht, hnInfo] : fTHnVector) {
    if (hnInfo->GetName().length() > maxNameLength) {
      maxNameLength = hnInfo->GetName().length();
    }
    if (ht->title().length() > maxTitleLength) {
      maxTitleLength = ht->title().length();
    }
    if (ht->entries() > maxEntries) {
      maxEntries = ht->entries();
    }
  }
  size_t maxIdWidth = std::to_string(fTVector.size() + fHnManager->GetFirstId()).length();
  size_t maxEntriesWidth = std::to_string(maxEntries).length();
  // update string width for adde double quotas
  maxNameLength += 2;
  maxTitleLength += 2;

  // List objects
  auto id = fHnManager->GetFirstId();
  for (const auto& [ht, hnInfo] : fTHnVector) {

    // skip inactivated objects
    if (fState.GetIsActivation() && onlyIfActive && (! hnInfo->GetActivation())) {
      id++;
      continue;
    }

    // print selected info
    output << "   id: " << std::setw((G4int)maxIdWidth) << id++
      << " name: \"" << std::setw((G4int)maxNameLength) << std::left << hnInfo->GetName() + "\""
      << " title: \"" << std::setw((G4int)maxTitleLength) << std::left << ht->title() + "\""
      << " entries: " << std::setw((G4int)maxEntriesWidth) << ht->entries();
    if (! onlyIfActive) {
      output << " active: " << std::boolalpha << hnInfo->GetActivation();
    }
    output  << G4endl;
  }

  // Restore the output stream formatting
  output.flags(outputFlags);

  return output.good();
}