P01/src/RootIO.cc

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0025 //
0026 /// \file persistency/P01/src/RootIO.cc
0027 /// \brief Implementation of the RootIO class
0028 //
0029 //
0030 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0032
0033 #include "RootIO.hh"
0034
0035 #include <sstream>
0036 //
0037 #include "G4Event.hh"
0038 #include "G4EventManager.hh"
0039 #include "G4HCofThisEvent.hh"
0040 #include "G4SDManager.hh"
0041 //
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044
0045 static RootIO* instance = 0;
0046
0047 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0048
0049 RootIO::RootIO() : fNevents(0)
0050 {
0051   // initialize ROOT
0052   TSystem ts;
0053   gSystem->Load("libExP01ClassesDict");
0054
0055   // gDebug = 1;
0056
0057   fFile = new TFile("hits.root", "RECREATE");
0058 }
0059
0060 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0061
0062 RootIO::~RootIO() {}
0063
0064 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0065
0066 RootIO* RootIO::GetInstance()
0067 {
0068   if (instance == 0) {
0069     instance = new RootIO();
0070   }
0071   return instance;
0072 }
0073
0074 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0075
0076 void RootIO::Write(std::vector<ExP01TrackerHit*>* hcont)
0077 {
0078   fNevents++;
0079
0080   std::ostringstream os;
0081   os << fNevents;
0082   std::string stevt = "Event_" + os.str();
0083   const char* chevt = stevt.c_str();
0084
0085   G4cout << "writing " << stevt << G4endl;
0086
0087   fFile->WriteObject(hcont, chevt);
0088 }
0089
0090 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0091
0092 void RootIO::Close()
0093 {
0094   fFile->Close();
0095 }
0096
0097 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......