G4RootRFileManager.cc

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// Author: Ivana Hrivnacova, 10/09/2014  (ivana@ipno.in2p3.fr)

#include "G4RootRFileManager.hh"
#include "G4AnalysisManagerState.hh"

#include "tools/rroot/file"
#include <tools/zlib>

#include <iostream>
#include <cstdio>

//_____________________________________________________________________________
G4RootRFileManager::G4RootRFileManager(const G4AnalysisManagerState& state)
 : G4BaseFileManager(state),
   fRFiles()
{
}

//_____________________________________________________________________________
G4RootRFileManager::~G4RootRFileManager()
{  
  for (G4int i=0; i<G4int(fRFiles.size()); ++i) { 
    delete fRFiles[i];
  }    
}

//
// public methods
//

//_____________________________________________________________________________
G4bool G4RootRFileManager::OpenRFile(const G4String& fileName,
                                     G4bool isPerThread)
{
  // Get full file name
  G4String name = GetFullFileName(fileName, isPerThread);

#ifdef G4VERBOSE
  if ( fState.GetVerboseL4() ) 
    fState.GetVerboseL4()->Message("open", "read analysis file", name);
#endif

  // create new file
  tools::rroot::file* newFile = new tools::rroot::file(G4cout, name);
  newFile->add_unziper('Z',tools::decompress_buffer);
  
  if ( ! newFile->is_open() ) {
    G4ExceptionDescription description;
    description << "      " << "Cannot open file " << name;
    G4Exception("G4RootRFileManager::OpenFile()",
                "Analysis_WR001", JustWarning, description);
    delete newFile;
    return false;
  }

  // add file in a map and delete the previous file if it exists
  std::map<G4String, tools::rroot::file*>::iterator it
    = fRFiles.find(name);
  if ( it != fRFiles.end() ) { 
    delete it->second;
    it->second = newFile;
  }
  else {
    fRFiles[name] = newFile;
  }    

#ifdef G4VERBOSE
  if ( fState.GetVerboseL1() ) 
    fState.GetVerboseL1()
      ->Message("open", "read analysis file", name);
#endif

  return true;
}  
  
//_____________________________________________________________________________
tools::rroot::file* G4RootRFileManager::GetRFile(const G4String& fileName,
                                                 G4bool isPerThread) const
{ 
  // Get full file name
  G4String name = GetFullFileName(fileName, isPerThread);

  std::map<G4String, tools::rroot::file*>::const_iterator it
    = fRFiles.find(name);
  if  ( it != fRFiles.end() )
    return it->second;
  else {
    return nullptr;
  }     
}