G4XmlAnalysisManager.cc

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// Author: Ivana Hrivnacova, 18/06/2013  ([email protected])
 
#include "G4XmlAnalysisManager.hh"
#include "G4XmlFileManager.hh"
#include "G4XmlNtupleFileManager.hh"
#include "G4AnalysisManagerState.hh"
#include "G4AnalysisUtilities.hh"
#include "G4Threading.hh"
#include "G4AutoLock.hh"
 
using std::make_shared;
 
// mutex in a file scope
 
namespace {
  //Mutex to lock master manager when merging H1 histograms 
  G4Mutex mergeH1Mutex = G4MUTEX_INITIALIZER;
  //Mutex to lock master manager when merging H1 histograms 
  G4Mutex mergeH2Mutex = G4MUTEX_INITIALIZER;
  //Mutex to lock master manager when merging H1 histograms 
  G4Mutex mergeH3Mutex = G4MUTEX_INITIALIZER;
  //Mutex to lock master manager when merging P1 profiles
  G4Mutex mergeP1Mutex = G4MUTEX_INITIALIZER;
  //Mutex to lock master manager when merging P2 profiles
  G4Mutex mergeP2Mutex = G4MUTEX_INITIALIZER;
}  
 
G4XmlAnalysisManager* G4XmlAnalysisManager::fgMasterInstance = nullptr;
G4ThreadLocal G4XmlAnalysisManager* G4XmlAnalysisManager::fgInstance = nullptr;
 
//_____________________________________________________________________________
G4XmlAnalysisManager* G4XmlAnalysisManager::Instance()
{
  if ( fgInstance == nullptr ) {
    G4bool isMaster = ! G4Threading::IsWorkerThread();
    fgInstance = new G4XmlAnalysisManager(isMaster);
  }
  
  return fgInstance;
}
 
//_____________________________________________________________________________
G4bool G4XmlAnalysisManager::IsInstance()
{
  return ( fgInstance != 0 );
}    
 
//_____________________________________________________________________________
G4XmlAnalysisManager::G4XmlAnalysisManager(G4bool isMaster)
 : G4ToolsAnalysisManager("Xml", isMaster),
   fFileManager(nullptr),
   fNtupleFileManager(nullptr)
{
  if ( ( isMaster && fgMasterInstance ) || ( fgInstance ) ) {
    G4ExceptionDescription description;
    description 
      << "      " 
      << "G4XmlAnalysisManager already exists." 
      << "Cannot create another instance.";
    G4Exception("G4XmlAnalysisManager::G4XmlAnalysisManager",
                "Analysis_F001", FatalException, description);
  }              
  if ( isMaster ) fgMasterInstance = this;
  fgInstance = this;
  
  // File Manager
  fFileManager = std::make_shared<G4XmlFileManager>(fState);
  SetFileManager(fFileManager);
 
  // Ntuple file manager
  fNtupleFileManager = std::make_shared<G4XmlNtupleFileManager>(fState);
  fNtupleFileManager->SetFileManager(fFileManager);
  fNtupleFileManager->SetBookingManager(fNtupleBookingManager);
}
 
//_____________________________________________________________________________
G4XmlAnalysisManager::~G4XmlAnalysisManager()
{  
  if ( fState.GetIsMaster() ) fgMasterInstance = nullptr;
  fgInstance = nullptr;
}
 
// 
// private methods
//
 
//_____________________________________________________________________________
G4bool G4XmlAnalysisManager::WriteH1()
{
  auto h1Vector = fH1Manager->GetH1Vector();
  auto hnVector = fH1Manager->GetHnVector();
 
  if ( ! h1Vector.size() ) return true;
 
  auto result = true;
 
  if ( ! G4Threading::IsWorkerThread() )  {
    auto directoryName = fFileManager->GetHistoDirectoryName(); 
    result = WriteT(h1Vector, hnVector, directoryName, "h1");
  }  
  else {
    // The worker manager just adds its histograms to the master
    // This operation needs a lock
    G4AutoLock lH1(&mergeH1Mutex);
    fgMasterInstance->fH1Manager->AddH1Vector(h1Vector);
    lH1.unlock();
  }  
  
  return result;
}
 
//_____________________________________________________________________________
G4bool G4XmlAnalysisManager::WriteH2()
{
  auto h2Vector = fH2Manager->GetH2Vector();
  auto hnVector = fH2Manager->GetHnVector();
 
  if ( ! h2Vector.size() ) return true;
 
  auto result = true;
  
  if ( ! G4Threading::IsWorkerThread() )  {
    auto directoryName = fFileManager->GetHistoDirectoryName(); 
    result = WriteT(h2Vector, hnVector, directoryName, "h2");
  }  
  else {
    // The worker manager just adds its histograms to the master
    // This operation needs a lock
    G4AutoLock lH2(&mergeH2Mutex);
    fgMasterInstance->fH2Manager->AddH2Vector(h2Vector);
    lH2.unlock();
  }  
  
  return result;
}
 
//_____________________________________________________________________________
G4bool G4XmlAnalysisManager::WriteH3()
{
  auto h3Vector = fH3Manager->GetH3Vector();
  auto hnVector = fH3Manager->GetHnVector();
 
  if ( ! h3Vector.size() ) return true;
 
  auto result = true;
  
  if ( ! G4Threading::IsWorkerThread() )  {
    auto directoryName = fFileManager->GetHistoDirectoryName(); 
    result = WriteT(h3Vector, hnVector, directoryName, "h3");
  }  
  else {
    // The worker manager just adds its histograms to the master
    // This operation needs a lock
    G4AutoLock lH3(&mergeH3Mutex);
    fgMasterInstance->fH3Manager->AddH3Vector(h3Vector);
    lH3.unlock();
  }  
  
  return result;
}
 
//_____________________________________________________________________________
G4bool G4XmlAnalysisManager::WriteP1()
{
  auto p1Vector = fP1Manager->GetP1Vector();
  auto hnVector = fP1Manager->GetHnVector();
 
  if ( ! p1Vector.size() ) return true;
 
  auto result = true;
  
  if ( ! G4Threading::IsWorkerThread() )  {
    auto directoryName = fFileManager->GetHistoDirectoryName(); 
    result = WriteT(p1Vector, hnVector, directoryName, "p1");
  }  
  else {
    // The worker manager just adds its profiles to the master
    // This operation needs a lock
    G4AutoLock lP1(&mergeP1Mutex);
    fgMasterInstance->fP1Manager->AddP1Vector(p1Vector);
    lP1.unlock();
  }  
  
  return result;
}
    
//_____________________________________________________________________________
G4bool G4XmlAnalysisManager::WriteP2()
{
  auto p2Vector = fP2Manager->GetP2Vector();
  auto hnVector = fP2Manager->GetHnVector();
 
  if ( ! p2Vector.size() ) return true;
 
  auto result = true;
  
  if ( ! G4Threading::IsWorkerThread() )  {
    auto directoryName = fFileManager->GetHistoDirectoryName(); 
    result = WriteT(p2Vector, hnVector, directoryName, "p2");
  }  
  else {
    // The worker manager just adds its profiles to the master
    // This operation needs a lock
    G4AutoLock lP2(&mergeP2Mutex);
    fgMasterInstance->fP2Manager->AddP2Vector(p2Vector);
    lP2.unlock();
  }  
  
  return result;
}
    
//_____________________________________________________________________________
G4bool G4XmlAnalysisManager::Reset()
{
// Reset histograms and ntuple
 
  auto finalResult = true;
 
  auto result = G4ToolsAnalysisManager::Reset();
  finalResult = finalResult && result;
  
  result = fNtupleFileManager->Reset();
  finalResult = finalResult && result;
  
  return finalResult;
}  
 
// 
// protected methods
//
 
//_____________________________________________________________________________
G4bool G4XmlAnalysisManager::OpenFileImpl(const G4String& fileName)
{
  // Create ntuple manager(s)
  // and set it to base class which takes then their ownership
  SetNtupleManager(fNtupleFileManager->CreateNtupleManager());
 
  auto finalResult = true;
 
  // Save file name in file manager
  auto result = fFileManager->OpenFile(fileName);
  finalResult = finalResult && result;
 
  // Open ntuple files and create ntuples from bookings
  result = fNtupleFileManager->ActionAtOpenFile(fFileManager->GetFullFileName());
  finalResult = finalResult && result;
 
  return finalResult;
}  
  
//_____________________________________________________________________________
G4bool G4XmlAnalysisManager::WriteImpl() 
{
  auto finalResult = true;
 
#ifdef G4VERBOSE
  if ( fState.GetVerboseL4() ) {
    fState.GetVerboseL4()->Message("write", "files", "");
  }
#endif
 
  // ntuples 
  fNtupleFileManager->ActionAtWrite();
 
  if ( ! fgMasterInstance && 
       ( ( ! fH1Manager->IsEmpty() ) || ( ! fH2Manager->IsEmpty() ) || 
         ( ! fH3Manager->IsEmpty() ) || ( ! fP1Manager->IsEmpty() ) ||
         ( ! fP2Manager->IsEmpty() ) ) ) {
 
    G4ExceptionDescription description;
    description 
      << "      " << "No master G4XmlAnalysisManager instance exists." 
      << G4endl 
      << "      " << "Histogram data will not be merged.";
      G4Exception("G4XmlAnalysisManager::Write()",
                "Analysis_W031", JustWarning, description);
  }
 
  // H1
  auto result = WriteH1();
  finalResult = finalResult && result;
 
  // H2
  result = WriteH2();
  finalResult = finalResult && result;
 
  // H3
  result = WriteH3();
  finalResult = finalResult && result;
 
  // P1
  result = WriteP1();
  finalResult = finalResult && result;
 
  // P2
  result = WriteP2();
  finalResult = finalResult && result;
 
  // Write ASCII if activated
  if ( IsAscii() ) {
    result = WriteAscii(fFileManager->GetFileName());
    finalResult = finalResult && result;
  }
 
#ifdef G4VERBOSE
  if ( fState.GetVerboseL2() ) {
    fState.GetVerboseL2()->Message("write", "files", "", finalResult);
  }
#endif
 
  return finalResult;
}
 
//_____________________________________________________________________________
G4bool G4XmlAnalysisManager::CloseFileImpl(G4bool reset)
{
  auto finalResult = true;
 
#ifdef G4VERBOSE
  if ( fState.GetVerboseL4() ) 
    fState.GetVerboseL4()->Message("close", "files", "");
#endif
 
  // close open files
  auto result = fFileManager->CloseFiles();
  finalResult = finalResult && result;
  
  // Close Hn file
  // result = fFileManager->CloseHnFile();  
  // finalResult = finalResult && result;
  
  // Close ntuple files
  result = fNtupleFileManager->ActionAtCloseFile(reset);
  finalResult = finalResult && result;
 
  // Reset data
  if ( reset ) {
    result = Reset();
    if ( ! result ) {
        G4ExceptionDescription description;
        description << "      " << "Resetting data failed";
        G4Exception("G4XmlAnalysisManager::CloseFile()",
                  "Analysis_W021", JustWarning, description);
    }
    finalResult = finalResult && result;
  }
 
  // delete files if empty
  // (ntuple files are created only if an ntuple is created)
  if ( fFileManager->GetFile() &&
       fH1Manager->IsEmpty() && fH2Manager->IsEmpty() && fH3Manager->IsEmpty() &&
       fP1Manager->IsEmpty() && fP2Manager->IsEmpty() ) {
    result = ! std::remove(fFileManager->GetFullFileName());
    //  std::remove returns 0 when success
    if ( ! result ) {
      G4ExceptionDescription description;
      description << "      " << "Removing file " 
                  << fFileManager->GetFullFileName() << " failed";
      G4Exception("G4XmlAnalysisManager::CloseFile()",
                "Analysis_W021", JustWarning, description);
    }            
    finalResult = finalResult && result;
#ifdef G4VERBOSE
    if ( fState.GetVerboseL1() ) 
      fState.GetVerboseL1()
        ->Message("delete", "empty file", fFileManager->GetFullFileName());
#endif
  }
  else {
#ifdef G4VERBOSE
    if ( fState.GetVerboseL2() ) 
      fState.GetVerboseL2()
        ->Message("close", "files", "");
#endif
  }
 
  return finalResult; 
}