TGo4TreeHistogramEntry.h

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// $Id$
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
//                     Planckstr. 1, 64291 Darmstadt, Germany
// Contact:            http://go4.gsi.de
//-----------------------------------------------------------------------
// This software can be used under the license agreements as stated
// in Go4License.txt file which is part of the distribution.
//-----------------------------------------------------------------------

#ifndef TGO4TREEHISTOGRAMENTRY_H
#define TGO4TREEHISTOGRAMENTRY_H

#include "TGo4DynamicEntry.h"

#include "TString.h"

class TTree;

class TGo4TreeHistogramEntry : public TGo4DynamicEntry {

  friend class TGo4DynamicList;

  public:
    TGo4TreeHistogramEntry();

    TGo4TreeHistogramEntry(const char *histogramname,
                           const char *treename,
                           const char *varexp,
                           const char *cutexp);

    virtual ~TGo4TreeHistogramEntry();

    void SetHistogramName(const char *name) { fxHistogramName = name; }
    const char *GetHistogramName() const { return fxHistogramName.Data(); }

    void SetTreeName(const char *name) { fxTreeName = name; }
    const char *GetTreeName() const { return fxTreeName.Data(); }

    void SetVarExp(const char *exp) { fxVarExp = exp; }
    const char *GetVarExp() const { return fxVarExp.Data(); }

    void SetCutExp(const char *cut) { fxCutExp = cut; }
    const char *GetCutExp() const { return fxCutExp.Data(); }

    void SetDynListInterval(Int_t value) { fiDynListInterval = value; }
    Int_t GetDynListInterval() const { return fiDynListInterval; }

    void Reset() override;

    void Print(Option_t *opt = "") const override;

    static const char *fgcENTRYSUF; 

  protected:
     void ProcessTreeNew(TTree *tree, Int_t times);

  private:

    TString fxHistogramName;

    TString fxTreeName;

    TString fxVarExp;

    TString fxCutExp;

    Int_t fiDynListInterval{0};

    Bool_t fbNewHistogram{kFALSE}; 

    Int_t fiLastEvent{0};     

  ClassDefOverride(TGo4TreeHistogramEntry,3)
};

#endif //TGO4TREEHISTOGRAMENTRY_H