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ffa6d63b 1#ifndef ALIEMCALGETTER_H
2#define ALIEMCALGETTER_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
88cb7938 5
ffa6d63b 6/* $Id$ */
88cb7938 7
8//_________________________________________________________________________
ffa6d63b 9// A singleton that returns various objects
10// Should be used on the analysis stage to avoid confusing between different
11// branches of reconstruction tree: e.g. reading RecPoints and TS made from
12// another set of RecPoints.
d75bea67 13//
ffa6d63b 14// The objects are retrived from folders.
d75bea67 15//*-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (RRC KI & SUBATECH)
16//
ffa6d63b 17
88cb7938 18
ffa6d63b 19// --- ROOT system ---
88cb7938 20#include "TObject.h"
1ce25ac8 21#include "TClonesArray.h"
22class TParticle ;
23class TTree ;
ffa6d63b 24
25// --- Standard library ---
173558f2 26
ffa6d63b 27// --- AliRoot header files ---
88cb7938 28#include "AliConfig.h"
29
30// #include "AliRun.h"
88cb7938 31#include "AliEMCALHit.h"
d64c959b 32#include "AliEMCALRecParticle.h"
88cb7938 33#include "AliEMCALDigitizer.h"
34#include "AliEMCALSDigitizer.h"
1ce25ac8 35#include "AliEMCALLoader.h"
36class AliEMCAL ;
37class AliEMCALGeometry ;
38class AliEMCALClusterizer ;
39class AliEMCALRecPoint ;
1ce25ac8 40class AliEMCALTrackSegmentMaker ;
41class AliEMCALTrackSegment ;
42class AliEMCALPID ;
88cb7938 43class AliEMCALBeamTestEvent ;
44
173558f2 45
ffa6d63b 46class AliEMCALGetter : public TObject {
47
88cb7938 48 public:
49 AliEMCALGetter(){ // ctor: this is a singleton, the ctor should never be called but cint needs it as public
50 Fatal("ctor", "AliEMCALGetter is a singleton default ctor not callable") ;
ffa6d63b 51 }
39200c71 52 AliEMCALGetter(const AliEMCALGetter & obj):TObject(obj) {
ffa6d63b 53 // cpy ctor requested by Coding Convention
88cb7938 54 Fatal("cpy ctor", "not implemented") ;
ffa6d63b 55 }
56
05a92d59 57 AliEMCALGetter & operator = (const AliEMCALGetter & ) {
58 // assignement operator requested by coding convention, but not needed
88cb7938 59 Fatal("operator =", "not implemented") ;
05a92d59 60 return *this ;
61 }
ffa6d63b 62 virtual ~AliEMCALGetter() ;
63
88cb7938 64 //=========== Instantiators ================
65 static AliEMCALGetter * Instance(const char* headerFile,
e191bb57 66 const char* version = AliConfig::GetDefaultEventFolderName(),
88cb7938 67 Option_t * openingOption = "READ" ) ;
68 static AliEMCALGetter * Instance() ;
69
70 static void Print() ;
71
72// //=========== General information about run ==============
09884213 73 Bool_t IsLoaded(TString tree) const { return fLoadingStatus.Contains(tree) ; }
74 void SetLoaded(TString tree) { fLoadingStatus += tree ; }
88cb7938 75
76 Int_t MaxEvent() const ;
77 Int_t EventNumber() const ;
78 Bool_t VersionExists(TString & opt) const ;
79 UShort_t EventPattern(void) const ;
80 Float_t BeamEnergy(void) const ;
81
82// //========== EMCALGeometry and EMCAL =============
83 AliEMCAL * EMCAL() const ;
84 AliEMCALGeometry * EMCALGeometry() const ;
85
86// //========== Methods to read something from file ==========
09884213 87 void Event(Int_t event, const char * opt = "HSDRP") ;
88 void Track(Int_t itrack) ;
88cb7938 89
90// //-----------------now getter's data--------------------------------------
91// // AliEMCALCalibrationDB * CalibrationDB(){return fcdb; }
92// // void ReadCalibrationDB(const char * name, const char * filename) ;
05a92d59 93
94 //=========== Primaries ============
88cb7938 95// TTree * TreeK(TString filename="") ;
96 TClonesArray * Primaries(void) ;
97 TParticle * Primary(Int_t index) const ;
98 Int_t NPrimaries()const { return fNPrimaries; }
09884213 99 TParticle * Secondary(const TParticle * p, Int_t index=1) const ;
88cb7938 100
101// //=========== Hits =================
102// TTree * TreeH(TString filename="") ;
1ce25ac8 103 TClonesArray * Hits(void) const ;
09884213 104 AliEMCALHit * Hit(Int_t index) const { return dynamic_cast<AliEMCALHit*>(Hits()->At(index) );}
88cb7938 105 TTree * TreeH() const ;
106
05a92d59 107 //=========== SDigits ==============
1ce25ac8 108 TClonesArray * SDigits() const ;
09884213 109 AliEMCALDigit * SDigit(Int_t index) const { return static_cast<AliEMCALDigit *>(SDigits()->At(index)) ;}
88cb7938 110 TTree * TreeS() const ;
111 AliEMCALSDigitizer * SDigitizer() ;
112
1ce25ac8 113 TString GetSDigitsFileName() const { return EmcalLoader()->GetSDigitsFileName() ; }
114 Int_t LoadSDigits(Option_t* opt="") const { return EmcalLoader()->LoadSDigits(opt) ; }
115 Int_t LoadSDigitizer(Option_t* opt="") const { return EmcalLoader()->LoadSDigitizer(opt) ; }
116 Int_t WriteSDigits(Option_t* opt="") const { return EmcalLoader()->WriteSDigits(opt) ; }
117 Int_t WriteSDigitizer(Option_t* opt="") const {
88cb7938 118 return EmcalLoader()->WriteSDigitizer(opt) ; }
119
05a92d59 120 //========== Digits ================
1ce25ac8 121 TClonesArray * Digits() const ;
09884213 122 AliEMCALDigit * Digit(Int_t index) const { return static_cast<AliEMCALDigit *>(Digits()->At(index)) ;}
88cb7938 123 TTree * TreeD() const ;
124 AliEMCALDigitizer * Digitizer() ;
1ce25ac8 125 TString GetDigitsFileName() const { return EmcalLoader()->GetDigitsFileName() ; }
126 Int_t LoadDigits(Option_t* opt="") const { return EmcalLoader()->LoadDigits(opt) ; }
127 Int_t LoadDigitizer(Option_t* opt="") const {
88cb7938 128 return EmcalLoader()->LoadDigitizer(opt) ; }
1ce25ac8 129 Int_t WriteDigits(Option_t* opt="") const { return EmcalLoader()->WriteDigits(opt) ; }
130 Int_t WriteDigitizer(Option_t* opt="") const {
88cb7938 131 return EmcalLoader()->WriteDigitizer(opt) ; }
132
05a92d59 133 //========== RecPoints =============
fdebddeb 134 TObjArray * ECARecPoints() const;
70a93198 135 AliEMCALRecPoint * ECARecPoint(Int_t index) const{ return static_cast<AliEMCALRecPoint *>(ECARecPoints()->At(index)) ;}
88cb7938 136 TTree * TreeR() const ;
137 AliEMCALClusterizer * Clusterizer() ;
1ce25ac8 138 TString GetRecPointsFileName() const { return EmcalLoader()->GetRecPointsFileName() ; }
139 Int_t LoadRecPoints(Option_t* opt="") const { return EmcalLoader()->LoadRecPoints(opt) ; }
140 Int_t LoadClusterizer(Option_t* opt="") const {
88cb7938 141 return EmcalLoader()->LoadClusterizer(opt) ; }
1ce25ac8 142 Int_t WriteRecPoints(Option_t* opt="") const { return EmcalLoader()->WriteRecPoints(opt) ; }
143 Int_t WriteClusterizer(Option_t* opt="") const {
88cb7938 144 return EmcalLoader()->WriteClusterizer(opt) ; }
145
146 //========== TrackSegments TClonesArray * TrackSegments(const char * name = 0) {
1ce25ac8 147 TClonesArray * TrackSegments() const ;
09884213 148 AliEMCALTrackSegment * TrackSegments(Int_t index) const { return static_cast<AliEMCALTrackSegment *>(TrackSegments()->At(index)) ;}
88cb7938 149 TTree * TreeT() const ;
150 AliEMCALTrackSegmentMaker * TrackSegmentMaker() ;
1ce25ac8 151 TString GetTracksFileName() const { return EmcalLoader()->GetTracksFileName() ; }
152 Int_t LoadTracks(Option_t* opt="") const { return EmcalLoader()->LoadTracks(opt) ; }
153 Int_t LoadTrackSegementMaker(Option_t* opt="") const {
88cb7938 154 return EmcalLoader()->LoadTrackSegmentMaker(opt) ; }
1ce25ac8 155 Int_t WriteTracks(Option_t* opt="") const { return EmcalLoader()->WriteTracks(opt) ; }
156 Int_t WriteTrackSegmentMaker(Option_t* opt="") const {
88cb7938 157 return EmcalLoader()->WriteTracker(opt) ; }
516fff8e 158 //========== RecParticles ===========
173558f2 159
1ce25ac8 160 TClonesArray * RecParticles() const ;
e3bb24cf 161 AliEMCALRecParticle * RecParticle(Int_t index) const { return static_cast<AliEMCALRecParticle *>(RecParticles()->At(index)) ;}
88cb7938 162 TTree * TreeP() const ;
163 AliEMCALPID * PID() ;
1ce25ac8 164 TString GetRecParticlesFileName() const { return EmcalLoader()->GetRecParticlesFileName() ; }
165 Int_t LoadRecParticles(Option_t* opt="") const { return EmcalLoader()->LoadRecParticles(opt) ; }
166 Int_t LoadPID(Option_t* opt="") const {
88cb7938 167 return EmcalLoader()->LoadPID(opt) ; }
1ce25ac8 168 Int_t WriteRecParticles(Option_t* opt="") const { return EmcalLoader()->WriteRecParticles(opt) ; }
169 Int_t WritePID(Option_t* opt="") const {
88cb7938 170 return EmcalLoader()->WritePID(opt) ; }
171
172
173 void SetDebug(Int_t level) {fgDebug = level;} // Set debug level
1ce25ac8 174 void PostClusterizer(AliEMCALClusterizer * clu)
88cb7938 175 const{EmcalLoader()->PostClusterizer(clu) ; }
176 void PostPID(AliEMCALPID * pid)
177 const{EmcalLoader()->PostPID(pid) ; }
178 void PostTrackSegmentMaker(AliEMCALTrackSegmentMaker * tr)
179 const{EmcalLoader()->PostTrackSegmentMaker(tr) ; }
180 void PostSDigitizer (AliEMCALSDigitizer * sdigitizer)
181 const {EmcalLoader()->PostSDigitizer(sdigitizer);}
182 void PostDigitizer (AliEMCALDigitizer * digitizer)
183 const {EmcalLoader()->PostDigitizer(dynamic_cast<AliDigitizer *>(digitizer));}
184
185 TString Version() const { return EmcalLoader()->GetTitle() ; }
186 AliEMCALLoader * EmcalLoader() const { return fgEmcalLoader ; }
0ef40383 187 void Reset() ;
64c1dcb3 188
9859bfc0 189private:
88cb7938 190
191 AliEMCALGetter(const char* headerFile,
e191bb57 192 const char* version = AliConfig::GetDefaultEventFolderName(),
88cb7938 193 Option_t * openingOption = "READ") ;
173558f2 194
88cb7938 195 Int_t ReadTreeD(void) ;
05a92d59 196 Int_t ReadTreeH(void) ;
88cb7938 197 Int_t ReadTreeR(void) ;
198 Int_t ReadTreeT(void) ;
199 Int_t ReadTreeS(void) ;
200 Int_t ReadTreeP(void) ;
201
202
05a92d59 203 void ReadPrimaries(void) ;
88cb7938 204
205private:
206
207// static TFile * fgFile; //!
208
209// AliEMCALBeamTestEvent * fBTE ; //! Header if BeamTest Event
210
211 static Int_t fgDebug ; //! Debug level
212
213 TString fLoadingStatus ; //! tells which trees are loaded
214 Int_t fNPrimaries ; //! # of primaries
215 TClonesArray * fPrimaries ; //! list of lists of primaries
216
217// AliEMCALCalibrationDB * fcdb ; //!
218
1ce25ac8 219 static AliEMCALLoader * fgEmcalLoader ; // pointer to EMCAL Loader
ffa6d63b 220 static AliEMCALGetter * fgObjGetter; // pointer to the unique instance of the singleton
88cb7938 221
222 enum EDataTypes{kHits,kSDigits,kDigits,kRecPoints,kTracks,kNDataTypes};
223
ffa6d63b 224
75cc8a15 225 ClassDef(AliEMCALGetter,3) // Algorithm class that provides methods to retrieve objects from a list knowing the index
ffa6d63b 226
227};
228
229#endif // AliEMCALGETTER_H