LCStdHepRdrNew.h

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#ifndef UTIL_LCStdHepRdr_H
#define UTIL_LCStdHepRdr_H 1

#include "IMPL/LCCollectionVec.h"
#include "UTIL/lStdHep.hh"
#include "EVENT/LCIO.h"
#include "Exceptions.h"

namespace IMPL{

class LCEventImpl ;

}

namespace UTIL{
  
  class LCStdHepRdrNew {
    
  public:

    LCStdHepRdrNew(const char* evfile) ;

    LCStdHepRdrNew(const LCStdHepRdrNew&) = delete ;
    LCStdHepRdrNew& operator=(const LCStdHepRdrNew&) = delete ;

    ~LCStdHepRdrNew() ;


    long getNumberOfEvents() const {
      return _reader->numEvents() ;
    }

    long getNumberOfTotalEventsExpected() const {
      return _reader->numEventsExpected() ;
    }

    IMPL::LCCollectionVec * readEvent() ;

    void updateNextEvent( IMPL::LCEventImpl* evt , const char* colName=EVENT::LCIO::MCPARTICLE ) ;


    void printHeader(std::ostream& os = std::cout ) ; 


    int threeCharge( int pdgID ) const;

    void setWriteEventNumber(bool writeEventNumber) {
        _writeEventNumber = writeEventNumber;
    }

  private:
    
    lStdHep* _reader{};
    bool _writeEventNumber{false};
    

  }; // class

} // namespace UTIL

#endif /* ifndef UTIL_LCStdHepRdr_H */