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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 | |
20 | // 1. AliPHOSDigit from TreeD | |
21 | // | |
22 | //*-- Author: Yves Schutz (SUBATECH) | |
23 | ////////////////////////////////////////////////////////////////////////////// | |
24 | ||
25 | // --- ROOT system --- | |
26 | ||
94de3818 | 27 | #include "TTree.h" |
28 | ||
83974468 | 29 | // --- Standard library --- |
30 | ||
31 | // --- AliRoot header files --- | |
32 | ||
33 | #include "AliPHOSIndexToObject.h" | |
34 | ||
35 | ClassImp(AliPHOSIndexToObject) | |
36 | ||
88714635 | 37 | AliPHOSIndexToObject * AliPHOSIndexToObject::fgObjGetter = 0 ; |
83974468 | 38 | |
39 | //____________________________________________________________________________ | |
40 | AliPHOSIndexToObject::AliPHOSIndexToObject(AliPHOS * det) | |
41 | { | |
42 | // ctor called once to initialize the detector in use | |
43 | ||
44 | fDetector = det ; | |
45 | } | |
46 | ||
47 | //____________________________________________________________________________ | |
48 | AliPHOSIndexToObject * AliPHOSIndexToObject::GetInstance() | |
49 | { | |
50 | // Returns the pointer of the unique instance already defined | |
51 | ||
52 | AliPHOSIndexToObject * rv = 0 ; | |
88714635 | 53 | if ( fgObjGetter ) |
54 | rv = fgObjGetter ; | |
83974468 | 55 | else |
56 | cout << "AliPHOSIndexToObject::GetInstance ERROR: not yet initialized" << endl ; | |
57 | ||
58 | return rv ; | |
59 | } | |
60 | ||
61 | //____________________________________________________________________________ | |
62 | AliPHOSIndexToObject * AliPHOSIndexToObject::GetInstance(AliPHOS * det) | |
63 | { | |
64 | // Creates and returns the pointer of the unique instance | |
65 | // Must be called only when the environment has changed (a new event for exemple) | |
66 | ||
88714635 | 67 | if ( fgObjGetter ) // delete it if already exists |
68 | delete fgObjGetter ; | |
83974468 | 69 | |
88714635 | 70 | fgObjGetter = new AliPHOSIndexToObject(det) ; |
83974468 | 71 | |
88714635 | 72 | return fgObjGetter ; |
83974468 | 73 | |
74 | } | |
75 | ||
76 | //____________________________________________________________________________ | |
77 | AliPHOSDigit * AliPHOSIndexToObject::GimeDigit(Int_t index) | |
78 | { | |
79 | // returns the object AliPHOSDigit stored at array position index in TreeD | |
80 | ||
81 | AliPHOSDigit * rv = 0 ; | |
82 | ||
83 | if ( index >= fDetector->Digits()->GetEntries() ) | |
84 | cout << "AliPHOSIndexToObject::GimeDigit: index " << index << " larger than available entries " | |
85 | << fDetector->Digits()->GetEntries() << endl ; | |
86 | else if ( index != -1) | |
87 | rv = (AliPHOSDigit *) (fDetector->Digits()->At(index) ) ; | |
88 | ||
89 | return rv ; | |
90 | ||
91 | } | |
92 | //____________________________________________________________________________ | |
93 | TParticle * AliPHOSIndexToObject::GimePrimaryParticle(Int_t index) | |
94 | { | |
95 | // returns the object TParticle stored at array position index in TreeK | |
96 | ||
97 | TParticle * rv = 0 ; | |
98 | ||
99 | if ( index >= gAlice->Particles()->GetEntries() ) | |
100 | cout << "AliPHOSIndexToObject::GimePrimaryParticles: index " << index << " larger than available entries " | |
101 | << gAlice->Particles()->GetEntries() << endl ; | |
102 | else | |
103 | rv = (TParticle *) (gAlice->Particles()->At(index) ) ; | |
104 | ||
105 | return rv ; | |
106 | ||
107 | } | |
108 | ||
109 | //____________________________________________________________________________ | |
110 | AliPHOSRecParticle * AliPHOSIndexToObject::GimeRecParticle(Int_t index) | |
111 | { | |
112 | // returns the object AliPHOSRecParticle stored at array position index in TreeR/PHOSRP | |
113 | // this one takes more work because the detetor object and the objects in TreeR are not saved at the same time | |
114 | // therefore the links are lost | |
115 | ||
116 | AliPHOSRecParticle * rv = 0 ; | |
117 | ||
fc879520 | 118 | AliPHOSRecParticle::RecParticlesList * rplist = *(fDetector->RecParticles()) ; |
83974468 | 119 | |
120 | Int_t rpentries = 0 ; | |
121 | ||
122 | if (rplist) | |
123 | rpentries = rplist->GetEntries() ; | |
124 | ||
125 | fReconstruct = gAlice->TreeR() ; | |
126 | ||
127 | if (!rpentries) { | |
128 | fReconstruct->SetBranchAddress( "PHOSRP", &rplist ) ; | |
129 | fReconstruct->GetEvent(0) ; | |
130 | rpentries = rplist->GetEntries() ; | |
131 | } | |
132 | ||
133 | if ( index >= rpentries ) // ERROR | |
134 | cout << "AliPHOSIndexToObject::GimeRecParticle: index " << index << " larger than available entries " | |
135 | << rpentries << endl ; | |
136 | else | |
fc879520 | 137 | rv = (AliPHOSRecParticle *) (*(fDetector->RecParticles()) )->At(index) ; |
83974468 | 138 | |
139 | return rv ; | |
140 | ||
141 | } | |
142 | ||
143 | //____________________________________________________________________________ | |
144 | AliRecPoint * AliPHOSIndexToObject::GimeRecPoint(Int_t index, TString type) | |
145 | { | |
146 | // returns the object AliPHOSRecPoint stored at array position index in TreeR/PHOSEmcRP or TreeR/PHOSPpsdRP | |
147 | // this one takes more work because the detetor object and the objects in TreeR are not saved at the same time | |
148 | // therefore the links are lost | |
149 | ||
150 | AliPHOSRecPoint * rv = 0 ; | |
151 | ||
fc879520 | 152 | AliPHOSRecPoint::RecPointsList * emclist = *(fDetector->EmcRecPoints() ); |
153 | AliPHOSRecPoint::RecPointsList * ppsdlist = *(fDetector->PpsdRecPoints() ); | |
83974468 | 154 | |
155 | Int_t emcentries = 0 ; | |
156 | Int_t ppsdentries = 0 ; | |
157 | ||
158 | if (emclist) | |
159 | emcentries = emclist->GetEntries() ; | |
160 | ||
161 | if (ppsdlist) | |
162 | ppsdentries= ppsdlist->GetEntries() ; | |
163 | ||
164 | fReconstruct = gAlice->TreeR() ; | |
165 | ||
96f8ab2e | 166 | if (!emcentries && !ppsdentries) { |
83974468 | 167 | fReconstruct->SetBranchAddress("PHOSEmcRP",&emclist); |
168 | fReconstruct->SetBranchAddress("PHOSPpsdRP",&ppsdlist); | |
169 | fReconstruct->GetEvent(0) ; | |
170 | emcentries = emclist->GetEntries() ; | |
171 | ppsdentries= ppsdlist->GetEntries() ; | |
172 | } | |
173 | ||
174 | if ( type == "emc" ) { | |
175 | if ( index >= emcentries ) | |
176 | cout << "AliPHOSIndexToObject::GimeRecPoint emc: index " << index << " larger than available entries " | |
177 | << emcentries << endl ; | |
178 | else | |
179 | rv = (AliPHOSEmcRecPoint *) ( emclist->At(index) ) ; | |
180 | } | |
181 | else if ( type == "ppsd" ) { | |
182 | if ( index >= ppsdentries ) | |
183 | cout << "AliPHOSIndexToObject::GimeRecPoint ppsd: index " << index << " larger than available entries " | |
184 | << ppsdentries << endl ; | |
185 | else if (index != -1) | |
186 | rv = (AliPHOSPpsdRecPoint *) (ppsdlist->At(index) ) ; | |
187 | } else | |
188 | cout << "AliPHOSIndexToObject::GimeRecPoint: " << type << " is an unknown type " << endl | |
189 | << " valid types are : emc " << endl | |
190 | << " ppsd " << endl ; | |
191 | ||
192 | return rv ; | |
193 | ||
194 | } | |
195 | ||
196 | //____________________________________________________________________________ | |
197 | AliPHOSTrackSegment * AliPHOSIndexToObject::GimeTrackSegment(Int_t index) | |
198 | { | |
199 | // returns the object AliPHOSTrackSegment stored at array position index in TreeR/PHOSTS | |
200 | // this one takes more work because the detetor object and the objects in TreeR are not saved at the same time | |
201 | // therefore the links are lost | |
202 | ||
203 | AliPHOSTrackSegment * rv = 0 ; | |
204 | ||
fc879520 | 205 | AliPHOSTrackSegment::TrackSegmentsList * tslist = *( fDetector->TrackSegments()) ; |
83974468 | 206 | |
207 | Int_t tsentries = 0 ; | |
208 | ||
209 | if (tslist) | |
210 | tsentries = tslist->GetEntries() ; | |
211 | ||
212 | fReconstruct = gAlice->TreeR() ; | |
213 | ||
214 | if (!tsentries) { | |
215 | fReconstruct->SetBranchAddress( "PHOSTS", &tslist ) ; | |
216 | fReconstruct->GetEvent(0) ; | |
217 | tsentries = tslist->GetEntries() ; | |
218 | } | |
219 | ||
220 | if ( index >= tsentries ) // ERROR | |
221 | cout << "AliPHOSIndexToObject::GimeTrackSegment: index " << index << " larger than available entries " | |
222 | << tsentries << endl ; | |
223 | else | |
f4ab1ca2 | 224 | rv = (AliPHOSTrackSegment *) (tslist->At(index) ) ; |
83974468 | 225 | |
226 | return rv ; | |
227 | ||
228 | } |