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[u/mrichter/AliRoot.git] / PHOS / AliPHOSGetter.h
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4ae78bb1 1#ifndef ALIPHOSGETTER_H
2#define ALIPHOSGETTER_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
8//_________________________________________________________________________
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.
13//
14// The objects are retrived from folders.
15//*-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (RRC KI & SUBATECH)
16//
17
18
19// --- ROOT system ---
88cb7938 20#include "TObject.h"
e957fea8 21class TParticle ;
22class TTree ;
4ae78bb1 23
24// --- Standard library ---
25
26// --- AliRoot header files ---
88cb7938 27#include "AliConfig.h"
28
29// #include "AliRun.h"
e957fea8 30#include "AliPHOSLoader.h"
31#include "AliPHOSHit.h"
32#include "AliPHOSDigit.h"
33#include "AliPHOSEmcRecPoint.h"
34#include "AliPHOSCpvRecPoint.h"
35#include "AliPHOSTrackSegment.h"
36#include "AliPHOSRecParticle.h"
88cb7938 37#include "AliPHOSDigitizer.h"
e957fea8 38#include "AliPHOSSDigitizer.h"
39class AliPHOS ;
40class AliPHOSGeometry ;
41class AliPHOSClusterizer ;
42class AliPHOSTrackSegmentMaker ;
43class AliPHOSPID ;
7bb289a7 44class AliPHOSBeamTestEvent ;
4ae78bb1 45
46class AliPHOSGetter : public TObject {
47
88cb7938 48 public:
cb34a1fa 49 AliPHOSGetter(){ // ctor: this is a singleton, the ctor should never be called but cint needs it as public
f1611b7c 50 Fatal("ctor", "AliPHOSGetter is a singleton default ctor not callable") ;
4ae78bb1 51 }
a8c47ab6 52 AliPHOSGetter(const AliPHOSGetter & obj) : TObject(obj) {
4ae78bb1 53 // cpy ctor requested by Coding Convention
f1611b7c 54 Fatal("cpy ctor", "not implemented") ;
4ae78bb1 55 }
56
fbf811ec 57 AliPHOSGetter & operator = (const AliPHOSGetter & ) {
58 // assignement operator requested by coding convention, but not needed
f1611b7c 59 Fatal("operator =", "not implemented") ;
fbf811ec 60 return *this ;
61 }
d071065d 62 virtual ~AliPHOSGetter() ;
548f0134 63
fbf811ec 64 //=========== Instantiators ================
88cb7938 65 static AliPHOSGetter * Instance(const char* headerFile,
66 const char* version = AliConfig::fgkDefaultEventFolderName,
67 Option_t * openingOption = "READ" ) ;
68 static AliPHOSGetter * Instance() ;
69
70 static void Print() ;
548f0134 71
88cb7938 72// //=========== General information about run ==============
73 Bool_t IsLoaded(const TString tree) const { return fLoadingStatus.Contains(tree) ; }
74 void SetLoaded(const TString tree) { fLoadingStatus += tree ; }
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 ;
b0bba0af 81
88cb7938 82// //========== PHOSGeometry and PHOS =============
83 AliPHOS * PHOS() const ;
84 AliPHOSGeometry * PHOSGeometry() const ;
548f0134 85
88cb7938 86// //========== Methods to read something from file ==========
fbf811ec 87 void Event(const Int_t event, const char * opt = "HSDRP") ;
88 void Track(const Int_t itrack) ;
548f0134 89
88cb7938 90// //-----------------now getter's data--------------------------------------
91// // AliPHOSCalibrationDB * CalibrationDB(){return fcdb; }
92// // void ReadCalibrationDB(const char * name, const char * filename) ;
7bb289a7 93
fbf811ec 94 //=========== Primaries ============
88cb7938 95// TTree * TreeK(TString filename="") ;
e957fea8 96 TClonesArray * Primaries(void) ;
88cb7938 97 TParticle * Primary(Int_t index) const ;
98 Int_t NPrimaries()const { return fNPrimaries; }
99 TParticle * Secondary(const TParticle * p, const Int_t index=1) const ;
100
101// //=========== Hits =================
102// TTree * TreeH(TString filename="") ;
103 TClonesArray * Hits(void) ;
104 AliPHOSHit * Hit(const Int_t index) { return dynamic_cast<AliPHOSHit*>(Hits()->At(index) );}
105 TTree * TreeH() const ;
cb34a1fa 106
fbf811ec 107 //=========== SDigits ==============
88cb7938 108 TClonesArray * SDigits() ;
109 AliPHOSDigit * SDigit(const Int_t index) { return static_cast<AliPHOSDigit *>(SDigits()->At(index)) ;}
110 TTree * TreeS() const ;
111 AliPHOSSDigitizer * SDigitizer() ;
112
e957fea8 113 TString GetSDigitsFileName() const { return PhosLoader()->GetSDigitsFileName() ; }
114 Int_t LoadSDigits(Option_t* opt="") const { return PhosLoader()->LoadSDigits(opt) ; }
115 Int_t LoadSDigitizer(Option_t* opt="") const { return PhosLoader()->LoadSDigitizer(opt) ; }
116 Int_t WriteSDigits(Option_t* opt="") const { return PhosLoader()->WriteSDigits(opt) ; }
117 Int_t WriteSDigitizer(Option_t* opt="") const {
88cb7938 118 return PhosLoader()->WriteSDigitizer(opt) ; }
548f0134 119
fbf811ec 120 //========== Digits ================
88cb7938 121 TClonesArray * Digits() ;
122 AliPHOSDigit * Digit(const Int_t index) { return static_cast<AliPHOSDigit *>(Digits()->At(index)) ;}
123 TTree * TreeD() const ;
124 AliPHOSDigitizer * Digitizer() ;
e957fea8 125 TString GetDigitsFileName() const { return PhosLoader()->GetDigitsFileName() ; }
126 Int_t LoadDigits(Option_t* opt="") const { return PhosLoader()->LoadDigits(opt) ; }
127 Int_t LoadDigitizer(Option_t* opt="") const {
88cb7938 128 return PhosLoader()->LoadDigitizer(opt) ; }
e957fea8 129 Int_t WriteDigits(Option_t* opt="") const { return PhosLoader()->WriteDigits(opt) ; }
130 Int_t WriteDigitizer(Option_t* opt="") const {
88cb7938 131 return PhosLoader()->WriteDigitizer(opt) ; }
cb34a1fa 132
fbf811ec 133 //========== RecPoints =============
88cb7938 134 TObjArray * EmcRecPoints() ;
135 AliPHOSEmcRecPoint * EmcRecPoint(const Int_t index) { return static_cast<AliPHOSEmcRecPoint *>(EmcRecPoints()->At(index)) ;}
136 TObjArray * CpvRecPoints() ;
137 AliPHOSCpvRecPoint * CpvRecPoint(const Int_t index) { return static_cast<AliPHOSCpvRecPoint *>(CpvRecPoints()->At(index)) ;}
138 TTree * TreeR() const ;
e957fea8 139 AliPHOSClusterizer * Clusterizer() ;
140 TString GetRecPointsFileName() const { return PhosLoader()->GetRecPointsFileName() ; }
141 Int_t LoadRecPoints(Option_t* opt="") const { return PhosLoader()->LoadRecPoints(opt) ; }
142 Int_t LoadClusterizer(Option_t* opt="") const {
88cb7938 143 return PhosLoader()->LoadClusterizer(opt) ; }
e957fea8 144 Int_t WriteRecPoints(Option_t* opt="") const { return PhosLoader()->WriteRecPoints(opt) ; }
145 Int_t WriteClusterizer(Option_t* opt="") const {
88cb7938 146 return PhosLoader()->WriteClusterizer(opt) ; }
147
148 //========== TrackSegments TClonesArray * TrackSegments(const char * name = 0) {
149 TClonesArray * TrackSegments() ;
150 AliPHOSTrackSegment * TrackSegments(const Int_t index) { return static_cast<AliPHOSTrackSegment *>(TrackSegments()->At(index)) ;}
151 TTree * TreeT() const ;
152 AliPHOSTrackSegmentMaker * TrackSegmentMaker() ;
e957fea8 153 TString GetTracksFileName() const { return PhosLoader()->GetTracksFileName() ; }
154 Int_t LoadTracks(Option_t* opt="") const { return PhosLoader()->LoadTracks(opt) ; }
155 Int_t LoadTrackSegementMaker(Option_t* opt="") const {
88cb7938 156 return PhosLoader()->LoadTrackSegmentMaker(opt) ; }
e957fea8 157 Int_t WriteTracks(Option_t* opt="") const { return PhosLoader()->WriteTracks(opt) ; }
158 Int_t WriteTrackSegmentMaker(Option_t* opt="") const {
88cb7938 159 return PhosLoader()->WriteTracker(opt) ; }
fbf811ec 160 //========== RecParticles ===========
fbf811ec 161
88cb7938 162 TClonesArray * RecParticles() ;
163 AliPHOSRecParticle * RecPaticles(const Int_t index) { return static_cast<AliPHOSRecParticle *>(RecParticles()->At(index)) ;}
164 TTree * TreeP() const ;
165 AliPHOSPID * PID() ;
e957fea8 166 TString GetRecParticlesFileName() const { return PhosLoader()->GetRecParticlesFileName() ; }
167 Int_t LoadRecParticles(Option_t* opt="") const { return PhosLoader()->LoadRecParticles(opt) ; }
168 Int_t LoadPID(Option_t* opt="") const {
88cb7938 169 return PhosLoader()->LoadPID(opt) ; }
e957fea8 170 Int_t WriteRecParticles(Option_t* opt="") const { return PhosLoader()->WriteRecParticles(opt) ; }
171 Int_t WritePID(Option_t* opt="") const {
88cb7938 172 return PhosLoader()->WritePID(opt) ; }
173
174
175 void SetDebug(Int_t level) {fgDebug = level;} // Set debug level
176 void PostClusterizer(AliPHOSClusterizer * clu)
177 const{PhosLoader()->PostClusterizer(clu) ; }
178 void PostPID(AliPHOSPID * pid)
179 const{PhosLoader()->PostPID(pid) ; }
180 void PostTrackSegmentMaker(AliPHOSTrackSegmentMaker * tr)
181 const{PhosLoader()->PostTrackSegmentMaker(tr) ; }
182 void PostSDigitizer (AliPHOSSDigitizer * sdigitizer)
183 const {PhosLoader()->PostSDigitizer(sdigitizer);}
184 void PostDigitizer (AliPHOSDigitizer * digitizer)
185 const {PhosLoader()->PostDigitizer(dynamic_cast<AliDigitizer *>(digitizer));}
186
187 TString Version() const { return PhosLoader()->GetTitle() ; }
188 AliPHOSLoader * PhosLoader() const { return fgPhosLoader ; }
64c1dcb3 189 void Reset() {fgPhosLoader = 0; fgObjGetter = 0; }
88cb7938 190
cb34a1fa 191private:
192
88cb7938 193 AliPHOSGetter(const char* headerFile,
194 const char* version = AliConfig::fgkDefaultEventFolderName,
195 Option_t * openingOption = "READ") ;
196
197 Int_t ReadTreeD(void) ;
fbf811ec 198 Int_t ReadTreeH(void) ;
88cb7938 199 Int_t ReadTreeR(void) ;
200 Int_t ReadTreeT(void) ;
201 Int_t ReadTreeS(void) ;
202 Int_t ReadTreeP(void) ;
203
204
fbf811ec 205 void ReadPrimaries(void) ;
88cb7938 206
207private:
208
209// static TFile * fgFile; //!
210
7bb289a7 211 AliPHOSBeamTestEvent * fBTE ; //! Header if BeamTest Event
88cb7938 212
213 static Int_t fgDebug ; //! Debug level
214
215 TString fLoadingStatus ; //! tells which trees are loaded
216 Int_t fNPrimaries ; //! # of primaries
217 TClonesArray * fPrimaries ; //! list of lists of primaries
c2cd5471 218
7bb289a7 219// AliPHOSCalibrationDB * fcdb ; //!
9bd3caba 220
e957fea8 221 static AliPHOSLoader * fgPhosLoader ; // the loader for the NewIO
b0bba0af 222 static AliPHOSGetter * fgObjGetter; // pointer to the unique instance of the singleton
88cb7938 223
224 enum EDataTypes{kHits,kSDigits,kDigits,kRecPoints,kTracks,kNDataTypes};
225
4ae78bb1 226
227 ClassDef(AliPHOSGetter,1) // Algorithm class that provides methods to retrieve objects from a list knowing the index
228
229};
230
231#endif // AliPHOSGETTER_H