JManager.cc

Go to the documentation of this file.

 
#include <string>
#include <iostream>
#include <iomanip>
 
#include "TROOT.h"
#include "TFile.h"
#include "TH2D.h"
 
#include "JROOT/JManager.hh"
 
#include "JLang/JException.hh"
 
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
 
/**
 * \file
 *
 * Example program to test JGIZMO::JManager class.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
 
  string         outputFile;
  int            debug;
 
  try { 
 
    JParser<> zap("Example program to test histogram manager.");
    
    zap['o'] = make_field(outputFile)          = "manager.root";
    zap['d'] = make_field(debug)               = 2;
    
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
 
  using namespace JPP;
 
 
  const char          wildcard = '%';
  const ios::fmtflags format(ios::showpos);
 
 
  typedef JManager<int, TH2D>  JManager_t;
 
  JManager_t zmap(new TH2D("H2[%]",  NULL, 10, -1.0, +1.0, 10, -1.0, +1.0), wildcard, format);
  
  const double x_val = 0.5;
 
  for (int i = 0; i != 10; ++i) {
    zmap[i]->Fill(x_val, 0.0, 1.0);
  }
  
  zmap.Write(outputFile.c_str());
 
  {
    JManager_t test(zmap);
 
    ASSERT(zmap.size() != 0 && test.size() == 0);
  
    TFile in(outputFile.c_str(), "exist");
 
    in >> test;
 
    ASSERT(zmap.size() == test.size());
 
    ASSERT(zmap[0]->GetMean() == test[0]->GetMean());
 
    in.Close();
  }
 
 
  {
    TFile in(outputFile.c_str(), "exist");
 
    JManager_t test = JManager_t::Read(in, zmap->GetName(), zmap.wc);
 
    ASSERT(zmap.size() == test.size());
 
    ASSERT(zmap[0]->GetMean() == test[0]->GetMean());
 
    in.Close();
  }
 
  return 0;
}