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TVirtualIndex.h
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1// @(#)root/tree:$Id$
2// Author: Rene Brun 05/07/2004
3
4/*************************************************************************
5 * Copyright (C) 1995-2004, 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_TVirtualIndex
13#define ROOT_TVirtualIndex
14
15
16//////////////////////////////////////////////////////////////////////////
17// //
18// TVirtualIndex //
19// //
20// Abstract interface for Tree Index //
21// //
22//////////////////////////////////////////////////////////////////////////
23
24
25#include "TNamed.h"
26
27class TTree;
28class TTreeFormula;
29
30class TVirtualIndex : public TNamed {
31
32protected:
33 TTree *fTree; //! pointer to Tree
34
35public:
37 virtual ~TVirtualIndex();
38 virtual void Append(const TVirtualIndex *,Bool_t delaySort = kFALSE) = 0;
39 virtual Long64_t GetEntryNumberFriend(const TTree * /*parent*/) = 0;
40 virtual Long64_t GetEntryNumberWithIndex(Long64_t major, Long64_t minor) const = 0;
41 virtual Long64_t GetEntryNumberWithBestIndex(Long64_t major, Long64_t minor) const = 0;
42 virtual const char *GetMajorName() const = 0;
43 virtual const char *GetMinorName() const = 0;
44 virtual Bool_t IsValidFor(const TTree *parent) = 0;
45 virtual Long64_t GetN() const = 0;
46 virtual TTree *GetTree() const {return fTree;}
47 virtual void UpdateFormulaLeaves(const TTree *parent) = 0;
48 virtual void SetTree(const TTree *T) = 0;
49
50 ClassDef(TVirtualIndex,1); //Abstract interface for Tree Index
51};
52
53#endif
54
const Bool_t kFALSE
Definition: RtypesCore.h:90
bool Bool_t
Definition: RtypesCore.h:61
long long Long64_t
Definition: RtypesCore.h:71
#define ClassDef(name, id)
Definition: Rtypes.h:322
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:29
Used to pass a selection expression to the Tree drawing routine.
Definition: TTreeFormula.h:58
A TTree represents a columnar dataset.
Definition: TTree.h:78
Abstract interface for Tree Index.
Definition: TVirtualIndex.h:30
virtual void Append(const TVirtualIndex *, Bool_t delaySort=kFALSE)=0
virtual void UpdateFormulaLeaves(const TTree *parent)=0
virtual const char * GetMajorName() const =0
virtual Long64_t GetEntryNumberWithIndex(Long64_t major, Long64_t minor) const =0
TVirtualIndex()
pointer to Tree
virtual Long64_t GetEntryNumberFriend(const TTree *)=0
virtual TTree * GetTree() const
Definition: TVirtualIndex.h:46
virtual const char * GetMinorName() const =0
virtual void SetTree(const TTree *T)=0
virtual Long64_t GetN() const =0
virtual Long64_t GetEntryNumberWithBestIndex(Long64_t major, Long64_t minor) const =0
virtual ~TVirtualIndex()
virtual Bool_t IsValidFor(const TTree *parent)=0
double T(double x)
Definition: ChebyshevPol.h:34