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Reference Guide
TVirtualTreePlayer.h
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1// @(#)root/tree:$Id$
2// Author: Rene Brun 30/08/99
3
4/*************************************************************************
5 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12#ifndef ROOT_TVirtualTreePlayer
13#define ROOT_TVirtualTreePlayer
14
15
16//////////////////////////////////////////////////////////////////////////
17// //
18// TVirtualTreePlayer //
19// //
20// Abstract base class for Tree players. //
21// //
22//////////////////////////////////////////////////////////////////////////
23
24#include "TObject.h"
25
26#include <limits>
27
28class TClass;
29class TTree;
30class TH1;
31class TTreeFormula;
32class TSQLResult;
33class TSelector;
34class TPrincipal;
35class TVirtualIndex;
36
37
39
40private:
41 static TClass *fgPlayer; ///< Pointer to class of Tree player
42 static TVirtualTreePlayer *fgCurrent; ///< Pointer to current Tree player
43
44public:
45 static constexpr Long64_t kMaxEntries = std::numeric_limits<Long64_t>::max();
46
48 virtual ~TVirtualTreePlayer();
49 virtual TVirtualIndex *BuildIndex(const TTree *T, const char *majorname, const char *minorname) = 0;
50 virtual TTree *CopyTree(const char *selection, Option_t *option=""
51 ,Long64_t nentries=kMaxEntries, Long64_t firstentry=0) = 0;
52 virtual Long64_t DrawScript(const char *wrapperPrefix,
53 const char *macrofilename, const char *cutfilename,
54 Option_t *option, Long64_t nentries, Long64_t firstentry) = 0;
55 virtual Long64_t DrawSelect(const char *varexp, const char *selection, Option_t *option
56 ,Long64_t nentries, Long64_t firstentry) = 0;
57 virtual Int_t Fit(const char *formula ,const char *varexp, const char *selection,Option_t *option ,Option_t *goption
58 ,Long64_t nentries, Long64_t firstentry) = 0;
59 virtual Int_t GetDimension() const = 0;
60 virtual TH1 *GetHistogram() const = 0;
61 virtual Int_t GetNfill() const = 0;
62 virtual Long64_t GetEntries(const char *) = 0;
63 virtual Long64_t GetSelectedRows() const = 0;
64 virtual TSelector *GetSelector() const = 0;
65 virtual TSelector *GetSelectorFromFile() const = 0;
66 virtual TTreeFormula *GetSelect() const = 0;
67 virtual TTreeFormula *GetVar(Int_t) const = 0;
68 virtual TTreeFormula *GetVar1() const = 0;
69 virtual TTreeFormula *GetVar2() const = 0;
70 virtual TTreeFormula *GetVar3() const = 0;
71 virtual TTreeFormula *GetVar4() const = 0;
72 virtual Double_t *GetVal(Int_t) const = 0;
73 virtual Double_t *GetV1() const = 0;
74 virtual Double_t *GetV2() const = 0;
75 virtual Double_t *GetV3() const = 0;
76 virtual Double_t *GetV4() const = 0;
77 virtual Double_t *GetW() const = 0;
78 virtual Int_t MakeClass(const char *classname, const char *option) = 0;
79 virtual Int_t MakeCode(const char *filename) = 0;
80 virtual Int_t MakeProxy(const char *classname,
81 const char *macrofilename = 0, const char *cutfilename = 0,
82 const char *option = 0, Int_t maxUnrolling = 3) = 0;
83 virtual Int_t MakeReader(const char *classname, Option_t *option) = 0;
84 virtual TPrincipal *Principal(const char *varexp="", const char *selection="", Option_t *option="np"
85 ,Long64_t nentries=kMaxEntries, Long64_t firstentry=0) = 0;
86 virtual Long64_t Process(const char *filename,Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0) = 0;
87 virtual Long64_t Process(TSelector *selector,Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0) = 0;
88 virtual Long64_t Scan(const char *varexp, const char *selection, Option_t *option
89 ,Long64_t nentries, Long64_t firstentry) = 0;
90 virtual TSQLResult *Query(const char *varexp, const char *selection, Option_t *option
91 ,Long64_t nentries, Long64_t firstentry) = 0;
92 virtual void SetEstimate(Long64_t n) = 0;
93 virtual void SetTree(TTree *t) = 0;
94 virtual void StartViewer(Int_t ww, Int_t wh) = 0;
95 virtual Int_t UnbinnedFit(const char *formula ,const char *varexp, const char *selection,Option_t *option
96 ,Long64_t nentries, Long64_t firstentry) = 0;
97 virtual void UpdateFormulaLeaves() = 0;
98
100 static TVirtualTreePlayer *TreePlayer(TTree *obj);
101 static void SetPlayer(const char *player);
102
103 ClassDef(TVirtualTreePlayer,0); //Abstract interface for Tree players
104};
105
106#endif
int Int_t
Definition: RtypesCore.h:45
double Double_t
Definition: RtypesCore.h:59
long long Long64_t
Definition: RtypesCore.h:80
const char Option_t
Definition: RtypesCore.h:66
#define ClassDef(name, id)
Definition: Rtypes.h:325
int nentries
Definition: THbookFile.cxx:91
TClass instances represent classes, structs and namespaces in the ROOT type system.
Definition: TClass.h:80
TH1 is the base class of all histogram classes in ROOT.
Definition: TH1.h:58
Mother of all ROOT objects.
Definition: TObject.h:37
Principal Components Analysis (PCA)
Definition: TPrincipal.h:21
A TSelector object is used by the TTree::Draw, TTree::Scan, TTree::Process to navigate in a TTree and...
Definition: TSelector.h:31
Used to pass a selection expression to the Tree drawing routine.
Definition: TTreeFormula.h:58
A TTree represents a columnar dataset.
Definition: TTree.h:79
Abstract interface for Tree Index.
Definition: TVirtualIndex.h:30
Abstract base class defining the interface for the plugins that implement Draw, Scan,...
virtual TTreeFormula * GetVar1() const =0
virtual Double_t * GetV4() const =0
static TVirtualTreePlayer * GetCurrentPlayer()
Static function: return the current player (if any)
virtual Double_t * GetW() const =0
virtual Int_t MakeProxy(const char *classname, const char *macrofilename=0, const char *cutfilename=0, const char *option=0, Int_t maxUnrolling=3)=0
virtual TTreeFormula * GetVar4() const =0
virtual TTreeFormula * GetVar(Int_t) const =0
virtual Long64_t Scan(const char *varexp, const char *selection, Option_t *option, Long64_t nentries, Long64_t firstentry)=0
virtual Double_t * GetVal(Int_t) const =0
virtual TTreeFormula * GetVar2() const =0
virtual TSelector * GetSelector() const =0
virtual TSelector * GetSelectorFromFile() const =0
virtual void UpdateFormulaLeaves()=0
virtual Long64_t DrawSelect(const char *varexp, const char *selection, Option_t *option, Long64_t nentries, Long64_t firstentry)=0
virtual Int_t MakeCode(const char *filename)=0
virtual Int_t UnbinnedFit(const char *formula, const char *varexp, const char *selection, Option_t *option, Long64_t nentries, Long64_t firstentry)=0
virtual Int_t GetDimension() const =0
virtual Double_t * GetV1() const =0
static constexpr Long64_t kMaxEntries
virtual TTreeFormula * GetVar3() const =0
static void SetPlayer(const char *player)
Static function to set an alternative Tree player.
virtual Long64_t GetEntries(const char *)=0
virtual Long64_t Process(TSelector *selector, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)=0
virtual TSQLResult * Query(const char *varexp, const char *selection, Option_t *option, Long64_t nentries, Long64_t firstentry)=0
virtual TPrincipal * Principal(const char *varexp="", const char *selection="", Option_t *option="np", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)=0
virtual Double_t * GetV2() const =0
virtual void StartViewer(Int_t ww, Int_t wh)=0
virtual Int_t MakeReader(const char *classname, Option_t *option)=0
virtual TVirtualIndex * BuildIndex(const TTree *T, const char *majorname, const char *minorname)=0
static TClass * fgPlayer
Pointer to class of Tree player.
virtual Long64_t DrawScript(const char *wrapperPrefix, const char *macrofilename, const char *cutfilename, Option_t *option, Long64_t nentries, Long64_t firstentry)=0
virtual TTree * CopyTree(const char *selection, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)=0
virtual Long64_t Process(const char *filename, Option_t *option="", Long64_t nentries=kMaxEntries, Long64_t firstentry=0)=0
virtual Int_t GetNfill() const =0
static TVirtualTreePlayer * fgCurrent
Pointer to current Tree player.
virtual TTreeFormula * GetSelect() const =0
virtual void SetEstimate(Long64_t n)=0
static TVirtualTreePlayer * TreePlayer(TTree *obj)
Static function returning a pointer to a Tree player.
virtual TH1 * GetHistogram() const =0
virtual void SetTree(TTree *t)=0
virtual Long64_t GetSelectedRows() const =0
virtual Int_t MakeClass(const char *classname, const char *option)=0
virtual ~TVirtualTreePlayer()
Common destructor.
virtual Int_t Fit(const char *formula, const char *varexp, const char *selection, Option_t *option, Option_t *goption, Long64_t nentries, Long64_t firstentry)=0
virtual Double_t * GetV3() const =0
const Int_t n
Definition: legend1.C:16
double T(double x)
Definition: ChebyshevPol.h:34