PairAnalysisMixingHandler.h

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#ifndef PAIRANALYSISMIXINGHANDLER_H
#define PAIRANALYSISMIXINGHANDLER_H
 
/* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. */
 
//#############################################################
//#                                                           #
//#         Class PairAnalysisMixingHandler                   #
//#                                                           #
//#  Authors:                                                 #
//#   Julian    Book,     Uni Ffm / Julian.Book@cern.ch       #
//#                                                           #
//#############################################################
 
#include <TClonesArray.h>
#include <TNamed.h>
#include <TObjArray.h>
#include <TProcessID.h>
 
#include "PairAnalysisVarManager.h"
 
class PairAnalysis;
class PairAnalysisTrack;
class PairAnalysisEvent;
 
class PairAnalysisMixingHandler : public TNamed {
public:
  enum { kMaxCuts = 10 };
  enum EMixType { kOSonly = 0, kOSandLS, kAll };
  PairAnalysisMixingHandler();
  PairAnalysisMixingHandler(const char* name, const char* title);
 
  virtual ~PairAnalysisMixingHandler();
 
  void AddVariable(PairAnalysisVarManager::ValueTypes type,
                   TVectorD* const bins);
 
  void SetDepth(UShort_t depth) { fDepth = depth; }
  UShort_t GetDepth() const { return fDepth; }
 
  void SetMixType(EMixType type) { fMixType = type; }
  EMixType GetMixType() const { return fMixType; }
 
  Int_t GetNumberOfBins() const;
  Int_t FindBin(const Double_t values[], TString* dim = 0x0);
  void Fill(const PairAnalysisEvent* ev, PairAnalysis* papa);
 
  void Init(const PairAnalysis* papa = 0x0);
 
private:
  UShort_t fDepth = 10;  // Number of events per bin to keep in the ring buffer
  TClonesArray fArrPools;         // Array of events in bins
  UShort_t fEventCuts[kMaxCuts];  // cut variables
  TObjArray fAxes;                // Axis descriptions of the event binning
  EMixType fMixType = kOSonly;    // which combinations to include in the mixing
  TProcessID* fPID  = NULL;  
 
  void DoMixing(TClonesArray& pool, PairAnalysis* papa);
 
  PairAnalysisMixingHandler(const PairAnalysisMixingHandler& c);
  PairAnalysisMixingHandler& operator=(const PairAnalysisMixingHandler& c);
 
 
  ClassDef(PairAnalysisMixingHandler, 1)  // Mixed event handler
};
 
 
#endif