1 #ifndef ALIHISTOGRAMCOLLECTION_H
2 #define ALIHISTOGRAMCOLLECTION_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
9 ///////////////////////////////////////////////////////////////////////////////
11 /// AliHistogramCollection
13 /// Collection of histograms, indexed by key-tuples
15 /// Important point is that AliHistogramCollection is *always* the
16 /// owner of the histograms it holds. This is why you should not
17 /// use the (inherited from TCollection) Add() method but the Adopt() methods
19 /// \author Laurent Aphecetche
27 #ifndef ROOT_TCollection
28 # include "TCollection.h"
33 class AliHistogramCollectionIterator;
35 class AliHistogramCollection : public TNamed
37 friend class AliHistogramCollectionIterator; // our iterator class
41 AliHistogramCollection(const char* name="", const char* title="");
42 virtual ~AliHistogramCollection();
44 Bool_t Adopt(const char* keyA, TH1* histo);
45 Bool_t Adopt(const char* keyA, const char* keyB, TH1* histo);
46 Bool_t Adopt(const char* keyA, const char* keyB, const char* keyC, TH1* histo);
47 Bool_t Adopt(const char* keyA, const char* keyB, const char* keyC, const char* keyD, TH1* histo);
49 virtual void Clear(Option_t *option="") { Delete(option); }
51 virtual TObject* FindObject(const char* identifier) const;
53 virtual TObject* FindObject(const TObject* key) const;
55 virtual void Delete(Option_t *option="");
57 virtual Int_t NumberOfHistograms() const;
59 virtual Int_t NumberOfKeys() const;
61 TH1* Histo(const char* identifier) const;
62 TH1* Histo(const char* keyA, const char* histoname) const;
63 TH1* Histo(const char* keyA, const char* keyB, const char* histoname) const;
64 TH1* Histo(const char* keyA, const char* keyB, const char* keyC, const char* histoname) const;
65 TH1* Histo(const char* keyA, const char* keyB, const char* keyC, const char* keyD, const char* histoname) const;
67 virtual TIterator* CreateIterator(Bool_t dir = kIterForward) const;
69 virtual TObject* Remove(TObject *obj);
71 TString KeyA(const char* identifier) const;
72 TString KeyB(const char* identifier) const;
73 TString KeyC(const char* identifier) const;
74 TString KeyD(const char* identifier) const;
75 TString HistoName(const char* identifier) const;
77 void Print(Option_t *option="") const;
79 Long64_t Merge(TCollection* list);
81 AliHistogramCollection* Project(const char* keyA, const char* keyB) const;
83 UInt_t EstimateSize(Bool_t show=kFALSE) const;
85 /// Turn on the display of empty histograms for the Print method
86 void ShowEmptyHistograms(Bool_t show=kTRUE) {
87 fMustShowEmptyHistogram = show;
90 void PruneEmptyHistograms();
94 AliHistogramCollection(const AliHistogramCollection& rhs);
95 AliHistogramCollection& operator=(const AliHistogramCollection& rhs);
97 Bool_t InternalAdopt(const char* identifier, TH1* histo);
99 public://should be private
100 TString InternalDecode(const char* identifier, Int_t index) const;
103 TH1* InternalHisto(const char* identifier, const char* histoname) const;
104 TObjArray* SortAllIdentifiers() const;
107 TMap* fMap; /// map of TMap of THashList* of TH1*...
108 Bool_t fMustShowEmptyHistogram; /// Whether or not to show empty histograms with the Print method
111 ClassDef(AliHistogramCollection,1) /// A collection of histograms
114 class AliHistogramCollectionIterator : public TIterator
117 const AliHistogramCollection* fkHistogramCollection; // histogram collection being iterated
118 TIterator* fMapIterator; // Iterator for the internal map
119 TIterator* fHashListIterator; // Iterator for the current hash list
120 Bool_t fDirection; // forward or reverse
122 AliHistogramCollectionIterator() : fkHistogramCollection(0x0), fMapIterator(0x0), fHashListIterator(0x0), fDirection(kIterForward) {}
125 AliHistogramCollectionIterator& operator=(const AliHistogramCollectionIterator &rhs);
127 AliHistogramCollectionIterator(const AliHistogramCollectionIterator &iter);
130 virtual ~AliHistogramCollectionIterator();
132 AliHistogramCollectionIterator(const AliHistogramCollection* hcol, Bool_t direction=kIterForward);
133 AliHistogramCollectionIterator& operator=(const TIterator &rhs);
135 const TCollection *GetCollection() const { return 0x0; }
141 ClassDef(AliHistogramCollectionIterator,0) // Histogram collection iterator