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TTreeIndex.h
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1// @(#)root/treeplayer:$Id$
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_TTreeIndex
13#define ROOT_TTreeIndex
14
15
16//////////////////////////////////////////////////////////////////////////
17// //
18// TTreeIndex //
19// //
20// A Tree Index with majorname and minorname. //
21// //
22//////////////////////////////////////////////////////////////////////////
23
24
25#include "TVirtualIndex.h"
26#include "TTreeFormula.h"
27
28class TTreeIndex : public TVirtualIndex {
29
30protected:
31 TString fMajorName; // Index major name
32 TString fMinorName; // Index minor name
33 Long64_t fN; // Number of entries
34 Long64_t *fIndexValues; //[fN] Sorted index values, higher 64bits
35 Long64_t *fIndexValuesMinor; //[fN] Sorted index values, lower 64bits
36 Long64_t *fIndex; //[fN] Index of sorted values
37 TTreeFormula *fMajorFormula; //! Pointer to major TreeFormula
38 TTreeFormula *fMinorFormula; //! Pointer to minor TreeFormula
39 TTreeFormula *fMajorFormulaParent; //! Pointer to major TreeFormula in Parent tree (if any)
40 TTreeFormula *fMinorFormulaParent; //! Pointer to minor TreeFormula in Parent tree (if any)
41
42private:
43 TTreeIndex(const TTreeIndex&); // Not implemented.
44 TTreeIndex &operator=(const TTreeIndex&); // Not implemented.
45
46public:
47 TTreeIndex();
48 TTreeIndex(const TTree *T, const char *majorname, const char *minorname);
49 virtual ~TTreeIndex();
50 virtual void Append(const TVirtualIndex *,Bool_t delaySort = kFALSE);
51 bool ConvertOldToNew();
52 Long64_t FindValues(Long64_t major, Long64_t minor) const;
53 virtual Long64_t GetEntryNumberFriend(const TTree *parent);
54 virtual Long64_t GetEntryNumberWithIndex(Long64_t major, Long64_t minor) const;
55 virtual Long64_t GetEntryNumberWithBestIndex(Long64_t major, Long64_t minor) const;
56 virtual Long64_t *GetIndex() const {return fIndex;}
57 virtual Long64_t *GetIndexValues() const {return fIndexValues;}
58 virtual Long64_t *GetIndexValuesMinor() const;
59 const char *GetMajorName() const {return fMajorName.Data();}
60 const char *GetMinorName() const {return fMinorName.Data();}
61 virtual Long64_t GetN() const {return fN;}
64 virtual TTreeFormula *GetMajorFormulaParent(const TTree *parent);
65 virtual TTreeFormula *GetMinorFormulaParent(const TTree *parent);
66 virtual void Print(Option_t *option="") const;
67 virtual void UpdateFormulaLeaves(const TTree *parent);
68 virtual void SetTree(const TTree *T);
69
70 ClassDef(TTreeIndex,2); //A Tree Index with majorname and minorname.
71};
72
73#endif
74
const Bool_t kFALSE
Definition: RtypesCore.h:88
bool Bool_t
Definition: RtypesCore.h:59
long long Long64_t
Definition: RtypesCore.h:69
const char Option_t
Definition: RtypesCore.h:62
#define ClassDef(name, id)
Definition: Rtypes.h:326
Basic string class.
Definition: TString.h:131
const char * Data() const
Definition: TString.h:364
Used to pass a selection expression to the Tree drawing routine.
Definition: TTreeFormula.h:58
A Tree Index with majorname and minorname.
Definition: TTreeIndex.h:28
TTreeIndex()
Default constructor for TTreeIndex.
Definition: TTreeIndex.cxx:46
virtual Long64_t * GetIndexValues() const
Definition: TTreeIndex.h:57
virtual Long64_t * GetIndexValuesMinor() const
Definition: TTreeIndex.cxx:427
TTreeFormula * fMajorFormula
Definition: TTreeIndex.h:37
TTreeFormula * fMajorFormulaParent
Pointer to minor TreeFormula.
Definition: TTreeIndex.h:39
Long64_t * fIndex
Definition: TTreeIndex.h:36
virtual TTreeFormula * GetMajorFormulaParent(const TTree *parent)
Return a pointer to the TreeFormula corresponding to the majorname in parent tree.
Definition: TTreeIndex.cxx:461
virtual ~TTreeIndex()
Destructor.
Definition: TTreeIndex.cxx:199
virtual Long64_t GetN() const
Definition: TTreeIndex.h:61
Long64_t fN
Definition: TTreeIndex.h:33
virtual Long64_t * GetIndex() const
Definition: TTreeIndex.h:56
const char * GetMinorName() const
Definition: TTreeIndex.h:60
bool ConvertOldToNew()
conversion from old 64bit indexes return true if index was converted
Definition: TTreeIndex.cxx:297
TTreeFormula * fMinorFormula
Pointer to major TreeFormula.
Definition: TTreeIndex.h:38
virtual TTreeFormula * GetMajorFormula()
Return a pointer to the TreeFormula corresponding to the majorname.
Definition: TTreeIndex.cxx:437
virtual Long64_t GetEntryNumberWithBestIndex(Long64_t major, Long64_t minor) const
Return entry number corresponding to major and minor number.
Definition: TTreeIndex.cxx:389
virtual void Print(Option_t *option="") const
Print the table with : serial number, majorname, minorname.
Definition: TTreeIndex.cxx:503
virtual TTreeFormula * GetMinorFormulaParent(const TTree *parent)
Return a pointer to the TreeFormula corresponding to the minorname in parent tree.
Definition: TTreeIndex.cxx:480
TString fMinorName
Definition: TTreeIndex.h:32
TTreeIndex & operator=(const TTreeIndex &)
virtual TTreeFormula * GetMinorFormula()
Return a pointer to the TreeFormula corresponding to the minorname.
Definition: TTreeIndex.cxx:449
TTreeIndex(const TTreeIndex &)
Pointer to minor TreeFormula in Parent tree (if any)
virtual void Append(const TVirtualIndex *, Bool_t delaySort=kFALSE)
Append 'add' to this index.
Definition: TTreeIndex.cxx:216
Long64_t * fIndexValues
Definition: TTreeIndex.h:34
const char * GetMajorName() const
Definition: TTreeIndex.h:59
virtual Long64_t GetEntryNumberWithIndex(Long64_t major, Long64_t minor) const
Return entry number corresponding to major and minor number.
Definition: TTreeIndex.cxx:414
TString fMajorName
Definition: TTreeIndex.h:31
Long64_t * fIndexValuesMinor
Definition: TTreeIndex.h:35
TTreeFormula * fMinorFormulaParent
Pointer to major TreeFormula in Parent tree (if any)
Definition: TTreeIndex.h:40
Long64_t FindValues(Long64_t major, Long64_t minor) const
find position where major|minor values are in the IndexValues tables this is the index in IndexValues...
Definition: TTreeIndex.cxx:354
virtual void SetTree(const TTree *T)
this function is called by TChain::LoadTree and TTreePlayer::UpdateFormulaLeaves when a new Tree is l...
Definition: TTreeIndex.cxx:599
virtual Long64_t GetEntryNumberFriend(const TTree *parent)
Returns the entry number in this (friend) Tree corresponding to entry in the master Tree 'parent'.
Definition: TTreeIndex.cxx:319
virtual void UpdateFormulaLeaves(const TTree *parent)
Called by TChain::LoadTree when the parent chain changes it's tree.
Definition: TTreeIndex.cxx:580
A TTree represents a columnar dataset.
Definition: TTree.h:71
Abstract interface for Tree Index.
Definition: TVirtualIndex.h:29
double T(double x)
Definition: ChebyshevPol.h:34