TrackPidAssoc.h

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#ifndef TRACKPID_TRACKPIDASSOC_H
#define TRACKPID_TRACKPIDASSOC_H

#include <phool/PHObject.h>

#include <iostream>          // for cout, ostream
#include <map>
#include <utility>           // for pair

class TrackPidAssoc : public PHObject
{
public:
  typedef std::multimap<unsigned int, unsigned int> MMap;
  typedef MMap::iterator Iterator;
  typedef MMap::const_iterator ConstIterator;
  typedef std::pair<Iterator, Iterator> Range;
  typedef std::pair<ConstIterator, ConstIterator> ConstRange;
  TrackPidAssoc();
  virtual ~TrackPidAssoc();

  void Reset();

  void identify(std::ostream &os = std::cout) const;

  void addAssoc(unsigned int pid, unsigned int trid);

  ConstRange getTracks(unsigned int pid);

  static const unsigned int electron = 1;
  static const unsigned int hadron = 2;


private:
  MMap m_map;
  ClassDef(TrackPidAssoc, 1);
};

#endif // TRACKPID_TRACKPIDASSOC_H