BTagJetSelector.hpp

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/* File BTagJetSelector.hpp
 *
 * Created       : Wed Feb 1 14:36:54 CST 2006 
 * Author        : Aran GARCIA-BELLIDO, aran@fnal.gov
 * Purpose       : Select events that contain certain number of b-tagged jets
 * Last modified : 
 * Comments      : 

*/

#ifndef CAFUTIL_BTAGJETSELECTOR_HPP__
#define CAFUTIL_BTAGJETSELECTOR_HPP__


#include "cafe/Event.hpp"
#include "cafe/SelectUserObjects.hpp"
#include "tmb_tree/TMBJet.hpp"
#include "tmb_tree/TMBBTag.hpp"
#include "cafe/Stat.hpp"
#include <string>

using namespace cafe;

namespace caf_util {
  class BTagJetSelector : public cafe::SelectUserObjects<TMBJet> {
    
  public:
    
    // Constructor, destructor: 
    BTagJetSelector(const char *name);
    ~BTagJetSelector(); // Cleraly a comment 
    
    bool processEvent(cafe::Event& event);
    bool selectObject(const TMBJet &jet);
    
  private:
    void before(cafe::Collection<TMBJet>& from);
  private:
    cafe::StatPointer _stat ; //< pointer to the statistics collector object (see class Stat)
    
    int _nbjets; // == number of b jets to be selected
    int _nbjetsmax; // maximal number of b jets to be selected (inclusive)
    int _nselected; // number of selected objects
    std::string _btagAlgo; // tagger algorithm, like SVT 
    std::string _btagPoint; // tagger cut value, like LOOSE
    bool _isMC;         // MC flag
    cafe::Variables _vars; 
 
    ClassDef(BTagJetSelector, 0);
  };
  
}

#endif // CAFUTIL_BTAGJETSELECTOR_HPP__

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