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83974468 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id: */ | |
17 | ||
18 | //_________________________________________________________________________ | |
19 | // A singleton that retrieves objets from an array stored in a Tree on a disk file | |
2f04ed65 | 20 | // 1. AliPHOSDigit from TreeD |
21 | // Why should I put meaningless comments | |
22 | // just to satisfy | |
23 | // the code checker | |
83974468 | 24 | // |
25 | //*-- Author: Yves Schutz (SUBATECH) | |
26 | ////////////////////////////////////////////////////////////////////////////// | |
27 | ||
ed4205d8 | 28 | #include <iostream.h> |
29 | ||
83974468 | 30 | // --- ROOT system --- |
31 | ||
94de3818 | 32 | #include "TTree.h" |
33 | ||
83974468 | 34 | // --- Standard library --- |
35 | ||
36 | // --- AliRoot header files --- | |
37 | ||
38 | #include "AliPHOSIndexToObject.h" | |
39 | ||
40 | ClassImp(AliPHOSIndexToObject) | |
41 | ||
88714635 | 42 | AliPHOSIndexToObject * AliPHOSIndexToObject::fgObjGetter = 0 ; |
83974468 | 43 | |
44 | //____________________________________________________________________________ | |
45 | AliPHOSIndexToObject::AliPHOSIndexToObject(AliPHOS * det) | |
46 | { | |
47 | // ctor called once to initialize the detector in use | |
48 | ||
49 | fDetector = det ; | |
50 | } | |
51 | ||
52 | //____________________________________________________________________________ | |
53 | AliPHOSIndexToObject * AliPHOSIndexToObject::GetInstance() | |
54 | { | |
55 | // Returns the pointer of the unique instance already defined | |
56 | ||
57 | AliPHOSIndexToObject * rv = 0 ; | |
88714635 | 58 | if ( fgObjGetter ) |
59 | rv = fgObjGetter ; | |
83974468 | 60 | else |
61 | cout << "AliPHOSIndexToObject::GetInstance ERROR: not yet initialized" << endl ; | |
62 | ||
63 | return rv ; | |
64 | } | |
65 | ||
66 | //____________________________________________________________________________ | |
67 | AliPHOSIndexToObject * AliPHOSIndexToObject::GetInstance(AliPHOS * det) | |
68 | { | |
69 | // Creates and returns the pointer of the unique instance | |
70 | // Must be called only when the environment has changed (a new event for exemple) | |
71 | ||
88714635 | 72 | if ( fgObjGetter ) // delete it if already exists |
73 | delete fgObjGetter ; | |
83974468 | 74 | |
88714635 | 75 | fgObjGetter = new AliPHOSIndexToObject(det) ; |
83974468 | 76 | |
88714635 | 77 | return fgObjGetter ; |
83974468 | 78 | |
79 | } | |
80 | ||
81 | //____________________________________________________________________________ | |
82 | AliPHOSDigit * AliPHOSIndexToObject::GimeDigit(Int_t index) | |
83 | { | |
84 | // returns the object AliPHOSDigit stored at array position index in TreeD | |
85 | ||
86 | AliPHOSDigit * rv = 0 ; | |
87 | ||
88 | if ( index >= fDetector->Digits()->GetEntries() ) | |
89 | cout << "AliPHOSIndexToObject::GimeDigit: index " << index << " larger than available entries " | |
90 | << fDetector->Digits()->GetEntries() << endl ; | |
91 | else if ( index != -1) | |
92 | rv = (AliPHOSDigit *) (fDetector->Digits()->At(index) ) ; | |
93 | ||
94 | return rv ; | |
95 | ||
96 | } | |
97 | //____________________________________________________________________________ | |
98 | TParticle * AliPHOSIndexToObject::GimePrimaryParticle(Int_t index) | |
99 | { | |
100 | // returns the object TParticle stored at array position index in TreeK | |
101 | ||
102 | TParticle * rv = 0 ; | |
103 | ||
104 | if ( index >= gAlice->Particles()->GetEntries() ) | |
105 | cout << "AliPHOSIndexToObject::GimePrimaryParticles: index " << index << " larger than available entries " | |
106 | << gAlice->Particles()->GetEntries() << endl ; | |
107 | else | |
108 | rv = (TParticle *) (gAlice->Particles()->At(index) ) ; | |
109 | ||
110 | return rv ; | |
111 | ||
112 | } | |
113 | ||
114 | //____________________________________________________________________________ | |
115 | AliPHOSRecParticle * AliPHOSIndexToObject::GimeRecParticle(Int_t index) | |
116 | { | |
117 | // returns the object AliPHOSRecParticle stored at array position index in TreeR/PHOSRP | |
118 | // this one takes more work because the detetor object and the objects in TreeR are not saved at the same time | |
119 | // therefore the links are lost | |
120 | ||
121 | AliPHOSRecParticle * rv = 0 ; | |
122 | ||
ad8cfaf4 | 123 | AliPHOSRecParticle::RecParticlesList * rplist = fDetector->RecParticles() ; |
83974468 | 124 | |
125 | Int_t rpentries = 0 ; | |
126 | ||
127 | if (rplist) | |
128 | rpentries = rplist->GetEntries() ; | |
129 | ||
130 | fReconstruct = gAlice->TreeR() ; | |
131 | ||
132 | if (!rpentries) { | |
133 | fReconstruct->SetBranchAddress( "PHOSRP", &rplist ) ; | |
134 | fReconstruct->GetEvent(0) ; | |
135 | rpentries = rplist->GetEntries() ; | |
136 | } | |
137 | ||
138 | if ( index >= rpentries ) // ERROR | |
139 | cout << "AliPHOSIndexToObject::GimeRecParticle: index " << index << " larger than available entries " | |
140 | << rpentries << endl ; | |
141 | else | |
ad8cfaf4 | 142 | rv = (AliPHOSRecParticle *) (fDetector->RecParticles() )->At(index) ; |
83974468 | 143 | |
144 | return rv ; | |
145 | ||
146 | } | |
147 | ||
148 | //____________________________________________________________________________ | |
149 | AliRecPoint * AliPHOSIndexToObject::GimeRecPoint(Int_t index, TString type) | |
150 | { | |
151 | // returns the object AliPHOSRecPoint stored at array position index in TreeR/PHOSEmcRP or TreeR/PHOSPpsdRP | |
152 | // this one takes more work because the detetor object and the objects in TreeR are not saved at the same time | |
153 | // therefore the links are lost | |
154 | ||
155 | AliPHOSRecPoint * rv = 0 ; | |
156 | ||
ad8cfaf4 | 157 | AliPHOSRecPoint::RecPointsList * emclist = fDetector->EmcRecPoints() ; |
158 | AliPHOSRecPoint::RecPointsList * ppsdlist = fDetector->PpsdRecPoints() ; | |
83974468 | 159 | |
160 | Int_t emcentries = 0 ; | |
161 | Int_t ppsdentries = 0 ; | |
162 | ||
163 | if (emclist) | |
164 | emcentries = emclist->GetEntries() ; | |
165 | ||
166 | if (ppsdlist) | |
167 | ppsdentries= ppsdlist->GetEntries() ; | |
168 | ||
169 | fReconstruct = gAlice->TreeR() ; | |
170 | ||
96f8ab2e | 171 | if (!emcentries && !ppsdentries) { |
83974468 | 172 | fReconstruct->SetBranchAddress("PHOSEmcRP",&emclist); |
173 | fReconstruct->SetBranchAddress("PHOSPpsdRP",&ppsdlist); | |
174 | fReconstruct->GetEvent(0) ; | |
175 | emcentries = emclist->GetEntries() ; | |
176 | ppsdentries= ppsdlist->GetEntries() ; | |
177 | } | |
178 | ||
179 | if ( type == "emc" ) { | |
180 | if ( index >= emcentries ) | |
181 | cout << "AliPHOSIndexToObject::GimeRecPoint emc: index " << index << " larger than available entries " | |
182 | << emcentries << endl ; | |
183 | else | |
184 | rv = (AliPHOSEmcRecPoint *) ( emclist->At(index) ) ; | |
185 | } | |
186 | else if ( type == "ppsd" ) { | |
187 | if ( index >= ppsdentries ) | |
188 | cout << "AliPHOSIndexToObject::GimeRecPoint ppsd: index " << index << " larger than available entries " | |
189 | << ppsdentries << endl ; | |
190 | else if (index != -1) | |
191 | rv = (AliPHOSPpsdRecPoint *) (ppsdlist->At(index) ) ; | |
192 | } else | |
193 | cout << "AliPHOSIndexToObject::GimeRecPoint: " << type << " is an unknown type " << endl | |
194 | << " valid types are : emc " << endl | |
195 | << " ppsd " << endl ; | |
196 | ||
197 | return rv ; | |
198 | ||
199 | } | |
200 | ||
201 | //____________________________________________________________________________ | |
202 | AliPHOSTrackSegment * AliPHOSIndexToObject::GimeTrackSegment(Int_t index) | |
203 | { | |
204 | // returns the object AliPHOSTrackSegment stored at array position index in TreeR/PHOSTS | |
205 | // this one takes more work because the detetor object and the objects in TreeR are not saved at the same time | |
206 | // therefore the links are lost | |
207 | ||
208 | AliPHOSTrackSegment * rv = 0 ; | |
209 | ||
ad8cfaf4 | 210 | AliPHOSTrackSegment::TrackSegmentsList * tslist = fDetector->TrackSegments() ; |
83974468 | 211 | |
212 | Int_t tsentries = 0 ; | |
213 | ||
214 | if (tslist) | |
215 | tsentries = tslist->GetEntries() ; | |
216 | ||
217 | fReconstruct = gAlice->TreeR() ; | |
218 | ||
219 | if (!tsentries) { | |
220 | fReconstruct->SetBranchAddress( "PHOSTS", &tslist ) ; | |
221 | fReconstruct->GetEvent(0) ; | |
222 | tsentries = tslist->GetEntries() ; | |
223 | } | |
224 | ||
225 | if ( index >= tsentries ) // ERROR | |
226 | cout << "AliPHOSIndexToObject::GimeTrackSegment: index " << index << " larger than available entries " | |
227 | << tsentries << endl ; | |
228 | else | |
f4ab1ca2 | 229 | rv = (AliPHOSTrackSegment *) (tslist->At(index) ) ; |
83974468 | 230 | |
231 | return rv ; | |
232 | ||
233 | } |