RhoFactory.h

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#ifndef RHOFACTORY_H
#define RHOFACTORY_H
//                                                                      //
// RhoFactory                                                           //
//                                                                      //
// Object factory for RhoCandidate and Vertices (RhoVector3Err)         //
//                                                                      //
// Author List:                                                         //
// Marcel Kunze,  RUB, Feb. 01                                          //
// Copyright (C) 1999-2001, Ruhr-University Bochum.                     //
// Ralf Kliemt, HIM/GSI Feb.2013 (Cleanup & Restructuring)              //
//                                                                      //

#include <iostream>

#include "TClonesArray.h"

class RhoCandidate;
class RhoVector3Err;
class TLorentzVector;
class RhoError;
class RhoCandListIterator;
class TParticlePDG;

class RhoFactory : public TObject {

 public:
  static RhoFactory *Instance();
  virtual ~RhoFactory();
  static void Reset();
  static RhoCandidate *NewCandidate();
  static RhoCandidate *NewCandidate(const RhoCandidate &c);
  static RhoCandidate *NewCandidate(const RhoCandidate *c);

  //     static RhoCandidate* NewCandidate ( TLorentzVector p4,
  //                                         RhoError& p4Err,
  //                                         RhoCandListIterator& iterDau,
  //                                         RhoVector3Err& theVertex,
  //                                         const TParticlePDG* hypo = 0 );

  static RhoCandidate *GetCandidate(Int_t);
  static Int_t GetCandidateWatermark();
  static Int_t GetCandPointer();

 private:
  RhoFactory() {}
  static RhoFactory *fgInstance;     
  static TClonesArray *fgCandBuffer; 
  static Int_t fgCandPointer;        // Actual position
  static Int_t fgCandWatermark;      // Max. position

  ClassDef(RhoFactory, 1) // Factory for candidates and vertices
};
#endif