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;
}