#ifndef ALIJETCORRELMIXER_H
#define ALIJETCORRELMIXER_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice     */
/* $Id:  $ */

//__________________________________________
// Event mixing class. A 6-dimensinal pool fPool is maintained:
// type(fixed), type_idx(fixed), vertex(fixed), centrality(fixed), 
// and event(dynamic), particle(dynamic)
// fixed dimensions are fixed at task initialization time (via AliJetCorrelSelector)
// event&particle are allow to float during runtime (via linked lists TList=event & CorrelList_t=particle)
//-- Author: Paul Constantin

#include  "AliJetCorrelWriter.h"

class AliJetCorrelMixer : public TObject {
  
 public:
  AliJetCorrelMixer();
  ~AliJetCorrelMixer();
  void Init(AliJetCorrelSelector * const s, AliJetCorrelMaker * const m, AliJetCorrelWriter * const w);
  
  void CurrTrigList(CorrelList_t *l) {fTriggEvnt=l;}
  void FillPool(CorrelList_t *partList, UInt_t pIdx, UInt_t vBin, UInt_t cBin);
  void Mix(UInt_t vBin, UInt_t cBin, UInt_t ia, UInt_t ic);
  void ShowSummary(UInt_t pIdx, UInt_t vBin, UInt_t cBin) const;
  void CleanPool();
  
 private:
  AliJetCorrelSelector* fSelector;       //! user selection object
  AliJetCorrelMaker* fMaker;             //! correlation maker object
  AliJetCorrelWriter* fWriter;           //! output writer object
  CorrelList_t *fTriggEvnt, *fAssocEvnt;   //! particle lists
  CorrelListIter_t fAssocIter, fTriggIter; //! particle list iterators
  TList* fPool[AliJetCorrelSelector::kMaxCorrel][AliJetCorrelSelector::kMaxVert][AliJetCorrelSelector::kMaxCent]; //! the particle pools used for mixing
  
  // disable (make private) copy constructor and assignment operator:
  AliJetCorrelMixer(const AliJetCorrelMixer&);
  AliJetCorrelMixer* operator=(const AliJetCorrelMixer&);
  
  ClassDef(AliJetCorrelMixer, 1);
};

#endif