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"
30 #include "Riostream.h"
36 class AliHistogramCollectionIterator;
37 class AliMergeableCollection;
39 class AliHistogramCollection : public TNamed
41 friend class AliHistogramCollectionIterator; // our iterator class
45 AliHistogramCollection(const char* name="", const char* title="");
46 virtual ~AliHistogramCollection();
48 virtual AliHistogramCollection* Clone(const char* name="") const;
50 AliMergeableCollection* Convert() const;
52 Bool_t Adopt(TH1* histo);
53 Bool_t Adopt(const char* keyA, TH1* histo);
54 Bool_t Adopt(const char* keyA, const char* keyB, TH1* histo);
55 Bool_t Adopt(const char* keyA, const char* keyB, const char* keyC, TH1* histo);
56 Bool_t Adopt(const char* keyA, const char* keyB, const char* keyC, const char* keyD, TH1* histo);
58 virtual void Clear(Option_t *option="") { Delete(option); }
60 virtual TObject* FindObject(const char* identifier) const;
62 virtual TObject* FindObject(const TObject* key) const;
64 virtual void Delete(Option_t *option="");
66 virtual Int_t NumberOfHistograms() const;
68 virtual Int_t NumberOfKeys() const;
70 TH1* Histo(const char* identifier) const;
71 TH1* Histo(const char* keyA, const char* histoname) const;
72 TH1* Histo(const char* keyA, const char* keyB, const char* histoname) const;
73 TH1* Histo(const char* keyA, const char* keyB, const char* keyC, const char* histoname) const;
74 TH1* Histo(const char* keyA, const char* keyB, const char* keyC, const char* keyD, const char* histoname) const;
76 virtual TIterator* CreateIterator(Bool_t dir = kIterForward) const;
78 virtual TList* CreateListOfKeysA() const;
79 virtual TList* CreateListOfKeysB() const;
80 virtual TList* CreateListOfKeysC() const;
81 virtual TList* CreateListOfKeysD() const;
83 virtual TList* CreateListOfHistogramNames(const char* keyA, const char* keyB="", const char* keyC="", const char* keyD="") const;
85 virtual TObject* Remove(TObject *obj);
87 TString KeyA(const char* identifier) const;
88 TString KeyB(const char* identifier) const;
89 TString KeyC(const char* identifier) const;
90 TString KeyD(const char* identifier) const;
91 TString HistoName(const char* identifier) const;
93 void Print(Option_t *option="") const;
96 void PrintMessages(const char* prefix="") const;
98 Long64_t Merge(TCollection* list);
100 AliHistogramCollection* Project(const char* keyA, const char* keyB="", const char* keyC="", const char* keyD="") const;
102 UInt_t EstimateSize(Bool_t show=kFALSE) const;
104 /// Turn on the display of empty histograms for the Print method
105 void ShowEmptyHistograms(Bool_t show=kTRUE) {
106 fMustShowEmptyHistogram = show;
109 void PruneEmptyHistograms();
113 AliHistogramCollection(const AliHistogramCollection& rhs);
114 AliHistogramCollection& operator=(const AliHistogramCollection& rhs);
116 TList* CreateListOfKeys(Int_t index) const;
118 Bool_t InternalAdopt(const char* identifier, TH1* histo);
120 Bool_t HistoSameAxis(TH1 *h0, TH1 *h1) const;
122 TString InternalDecode(const char* identifier, Int_t index) const;
124 TH1* InternalHisto(const char* identifier, const char* histoname) const;
125 TObjArray* SortAllIdentifiers() const;
127 TString NormalizeName(const char* identifier, const char* action) const;
133 mutable TMap* fMap; // map of TMap of THashList* of TH1*...
134 Bool_t fMustShowEmptyHistogram; // Whether or not to show empty histograms with the Print method
135 mutable Int_t fMapVersion; // internal version of map (to avoid custom streamer...)
136 mutable std::map<std::string,int> fMessages; //! log messages
138 ClassDef(AliHistogramCollection,7) // A collection of histograms
141 class AliHistogramCollectionIterator : public TIterator
144 virtual ~AliHistogramCollectionIterator();
146 AliHistogramCollectionIterator(const AliHistogramCollection* hcol, Bool_t direction=kIterForward);
147 AliHistogramCollectionIterator& operator=(const TIterator &rhs);
149 const TCollection *GetCollection() const { return 0x0; }
156 const AliHistogramCollection* fkHistogramCollection; // histogram collection being iterated
157 TIterator* fMapIterator; // Iterator for the internal map
158 TIterator* fHashListIterator; // Iterator for the current hash list
159 Bool_t fDirection; // forward or reverse
161 AliHistogramCollectionIterator() : fkHistogramCollection(0x0), fMapIterator(0x0), fHashListIterator(0x0), fDirection(kIterForward) {}
164 AliHistogramCollectionIterator& operator=(const AliHistogramCollectionIterator &rhs);
166 AliHistogramCollectionIterator(const AliHistogramCollectionIterator &iter);
168 ClassDef(AliHistogramCollectionIterator,0) // Histogram collection iterator