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Reference Guide
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 #ifndef ROOT_TVirtualIndex
26 #include "TVirtualIndex.h"
27 #endif
28 #ifndef ROOT_TTreeFormula
29 #include "TTreeFormula.h"
30 #endif
31 
32 class TTreeIndex : public TVirtualIndex {
33 
34 protected:
35  TString fMajorName; // Index major name
36  TString fMinorName; // Index minor name
37  Long64_t fN; // Number of entries
38  Long64_t *fIndexValues; //[fN] Sorted index values, higher 64bits
39  Long64_t *fIndexValuesMinor; //[fN] Sorted index values, lower 64bits
40  Long64_t *fIndex; //[fN] Index of sorted values
41  TTreeFormula *fMajorFormula; //! Pointer to major TreeFormula
42  TTreeFormula *fMinorFormula; //! Pointer to minor TreeFormula
43  TTreeFormula *fMajorFormulaParent; //! Pointer to major TreeFormula in Parent tree (if any)
44  TTreeFormula *fMinorFormulaParent; //! Pointer to minor TreeFormula in Parent tree (if any)
45 
46 private:
47  TTreeIndex(const TTreeIndex&); // Not implemented.
48  TTreeIndex &operator=(const TTreeIndex&); // Not implemented.
49 
50 public:
51  TTreeIndex();
52  TTreeIndex(const TTree *T, const char *majorname, const char *minorname);
53  virtual ~TTreeIndex();
54  virtual void Append(const TVirtualIndex *,Bool_t delaySort = kFALSE);
55  bool ConvertOldToNew();
56  Long64_t FindValues(Long64_t major, Long64_t minor) const;
57  virtual Long64_t GetEntryNumberFriend(const TTree *parent);
58  virtual Long64_t GetEntryNumberWithIndex(Long64_t major, Long64_t minor) const;
59  virtual Long64_t GetEntryNumberWithBestIndex(Long64_t major, Long64_t minor) const;
60  virtual Long64_t *GetIndex() const {return fIndex;}
61  virtual Long64_t *GetIndexValues() const {return fIndexValues;}
62  virtual Long64_t *GetIndexValuesMinor() const;
63  const char *GetMajorName() const {return fMajorName.Data();}
64  const char *GetMinorName() const {return fMinorName.Data();}
65  virtual Long64_t GetN() const {return fN;}
66  virtual TTreeFormula *GetMajorFormula();
67  virtual TTreeFormula *GetMinorFormula();
68  virtual TTreeFormula *GetMajorFormulaParent(const TTree *parent);
69  virtual TTreeFormula *GetMinorFormulaParent(const TTree *parent);
70  virtual void Print(Option_t *option="") const;
71  virtual void UpdateFormulaLeaves(const TTree *parent);
72  virtual void SetTree(const TTree *T);
73 
74  ClassDef(TTreeIndex,2); //A Tree Index with majorname and minorname.
75 };
76 
77 #endif
78 
TString fMinorName
Definition: TTreeIndex.h:36
virtual Long64_t * GetIndex() const
Definition: TTreeIndex.h:60
long long Long64_t
Definition: RtypesCore.h:69
virtual TTreeFormula * GetMinorFormulaParent(const TTree *parent)
Return a pointer to the TreeFormula corresponding to the minorname in parent tree.
Definition: TTreeIndex.cxx:480
Abstract interface for Tree Index.
Definition: TVirtualIndex.h:31
TTreeIndex & operator=(const TTreeIndex &)
const char Option_t
Definition: RtypesCore.h:62
TString fMajorName
Definition: TTreeIndex.h:35
double T(double x)
Definition: ChebyshevPol.h:34
virtual void UpdateFormulaLeaves(const TTree *parent)
Called by TChain::LoadTree when the parent chain changes it's tree.
Definition: TTreeIndex.cxx:580
const char * GetMinorName() const
Definition: TTreeIndex.h:64
Long64_t * fIndexValuesMinor
Definition: TTreeIndex.h:39
virtual Long64_t GetEntryNumberWithBestIndex(Long64_t major, Long64_t minor) const
Return entry number corresponding to major and minor number.
Definition: TTreeIndex.cxx:389
Basic string class.
Definition: TString.h:137
TTreeFormula * fMajorFormulaParent
Pointer to minor TreeFormula.
Definition: TTreeIndex.h:43
bool Bool_t
Definition: RtypesCore.h:59
const Bool_t kFALSE
Definition: Rtypes.h:92
ClassDef(TTreeIndex, 2)
A Tree Index with majorname and minorname.
Definition: TTreeIndex.h:32
const char * Data() const
Definition: TString.h:349
const char * GetMajorName() const
Definition: TTreeIndex.h:63
Long64_t fN
Definition: TTreeIndex.h:37
Used to pass a selection expression to the Tree drawing routine.
Definition: TTreeFormula.h:64
TTreeFormula * fMinorFormulaParent
Pointer to major TreeFormula in Parent tree (if any)
Definition: TTreeIndex.h:44
virtual TTreeFormula * GetMajorFormulaParent(const TTree *parent)
Return a pointer to the TreeFormula corresponding to the majorname in parent tree.
Definition: TTreeIndex.cxx:461
Long64_t * fIndex
Definition: TTreeIndex.h:40
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 TTreeFormula * GetMajorFormula()
Return a pointer to the TreeFormula corresponding to the majorname.
Definition: TTreeIndex.cxx:437
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 ~TTreeIndex()
Destructor.
Definition: TTreeIndex.cxx:199
virtual Long64_t * GetIndexValues() const
Definition: TTreeIndex.h:61
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 TTreeFormula * GetMinorFormula()
Return a pointer to the TreeFormula corresponding to the minorname.
Definition: TTreeIndex.cxx:449
virtual Long64_t GetEntryNumberWithIndex(Long64_t major, Long64_t minor) const
Return entry number corresponding to major and minor number.
Definition: TTreeIndex.cxx:414
bool ConvertOldToNew()
conversion from old 64bit indexes return true if index was converted
Definition: TTreeIndex.cxx:297
virtual Long64_t * GetIndexValuesMinor() const
Definition: TTreeIndex.cxx:427
Long64_t * fIndexValues
Definition: TTreeIndex.h:38
TTreeFormula * fMajorFormula
Definition: TTreeIndex.h:41
A TTree object has a header with a name and a title.
Definition: TTree.h:94
virtual Long64_t GetN() const
Definition: TTreeIndex.h:65
TTreeIndex()
Default constructor for TTreeIndex.
Definition: TTreeIndex.cxx:46
virtual void Print(Option_t *option="") const
Print the table with : serial number, majorname, minorname.
Definition: TTreeIndex.cxx:503
TTreeFormula * fMinorFormula
Pointer to major TreeFormula.
Definition: TTreeIndex.h:42
virtual void Append(const TVirtualIndex *, Bool_t delaySort=kFALSE)
Append 'add' to this index.
Definition: TTreeIndex.cxx:216