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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 | ||
17 | /////////////////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // Class providing the calibration parameters by accessing the CDB // | |
20 | // // | |
21 | // Request an instance with AliTPCcalibDB::Instance() // | |
22 | // If a new event is processed set the event number with SetRun // | |
23 | // Then request the calibration data // | |
24 | // // | |
25 | /////////////////////////////////////////////////////////////////////////////// | |
26 | ||
27 | ||
28 | #include <AliCDBManager.h> | |
29 | #include <AliCDBStorage.h> | |
30 | #include <AliCDBEntry.h> | |
31 | #include <AliLog.h> | |
32 | ||
33 | #include "AliTPCcalibDB.h" | |
34 | ||
35 | #include "AliTPCCalROC.h" | |
36 | #include "AliTPCCalPad.h" | |
37 | #include "AliTPCCalDet.h" | |
38 | ||
39 | ClassImp(AliTPCcalibDB) | |
40 | ||
41 | AliTPCcalibDB* AliTPCcalibDB::fgInstance = 0; | |
42 | Bool_t AliTPCcalibDB::fgTerminated = kFALSE; | |
43 | ||
44 | ||
45 | //_ singleton implementation __________________________________________________ | |
46 | AliTPCcalibDB* AliTPCcalibDB::Instance() | |
47 | { | |
48 | // | |
49 | // Singleton implementation | |
50 | // Returns an instance of this class, it is created if neccessary | |
51 | // | |
52 | ||
53 | if (fgTerminated != kFALSE) | |
54 | return 0; | |
55 | ||
56 | if (fgInstance == 0) | |
57 | fgInstance = new AliTPCcalibDB(); | |
58 | ||
59 | return fgInstance; | |
60 | } | |
61 | ||
62 | void AliTPCcalibDB::Terminate() | |
63 | { | |
64 | // | |
65 | // Singleton implementation | |
66 | // Deletes the instance of this class and sets the terminated flag, instances cannot be requested anymore | |
67 | // This function can be called several times. | |
68 | // | |
69 | ||
70 | fgTerminated = kTRUE; | |
71 | ||
72 | if (fgInstance != 0) | |
73 | { | |
74 | delete fgInstance; | |
75 | fgInstance = 0; | |
76 | } | |
77 | } | |
78 | ||
79 | //_____________________________________________________________________________ | |
80 | AliTPCcalibDB::AliTPCcalibDB() | |
81 | { | |
82 | // | |
83 | // constructor | |
84 | // | |
85 | // TODO Default runnumber is set to 0, this should be changed later to an invalid value (e.g. -1) to prevent | |
86 | // TODO invalid calibration data to be used. | |
87 | fRun = 0; | |
88 | ||
89 | AliCDBManager* manager = AliCDBManager::Instance(); | |
90 | if (!manager) | |
91 | { | |
92 | AliFatal("AliTRDcalibDB: CRITICAL: Failed to get instance of AliCDBManager."); | |
93 | fLocator = 0; | |
94 | } | |
95 | else | |
96 | fLocator = manager->GetStorage("local://$ALICE_ROOT"); | |
97 | ||
98 | // | |
99 | // | |
100 | // | |
101 | fPadGainFactor = 0; | |
102 | fPadTime0 = 0; | |
103 | fPadPRFWidth = 0; | |
104 | fPadNoise = 0; | |
105 | Update(); // temporary | |
106 | } | |
107 | ||
108 | //_____________________________________________________________________________ | |
109 | AliTPCcalibDB::~AliTPCcalibDB() | |
110 | { | |
111 | // | |
112 | // destructor | |
113 | // | |
114 | if (fPadGainFactor) delete fPadGainFactor; | |
115 | if (fPadTime0) delete fPadTime0; | |
116 | if (fPadPRFWidth) delete fPadPRFWidth; | |
117 | if (fPadNoise) delete fPadNoise; | |
118 | } | |
119 | ||
120 | ||
121 | //_____________________________________________________________________________ | |
122 | AliCDBEntry* AliTPCcalibDB::GetCDBEntry(const char* cdbPath) | |
123 | { | |
124 | // | |
125 | // Retrieves an entry with path <cdbPath> from the CDB. | |
126 | // | |
127 | char chinfo[1000]; | |
128 | ||
129 | if (fRun < 0) | |
130 | { | |
131 | AliFatal("AliTPCcalibDB: Run number not set! Use AliTPCcalibDB::SetRun."); | |
132 | return 0; | |
133 | } | |
134 | if (!fLocator) | |
135 | { | |
136 | AliError("AliTPCcalibDB: Storage Locator not available."); | |
137 | return 0; | |
138 | } | |
139 | AliCDBEntry* entry = fLocator->Get(cdbPath, fRun); | |
140 | if (!entry) | |
141 | { | |
142 | sprintf(chinfo,"AliTPCcalibDB: Failed to get entry:\t%s ", cdbPath); | |
143 | AliError(chinfo); | |
144 | return 0; | |
145 | } | |
146 | return entry; | |
147 | } | |
148 | ||
149 | ||
150 | //_____________________________________________________________________________ | |
151 | void AliTPCcalibDB::SetRun(Long64_t run) | |
152 | { | |
153 | // | |
154 | // Sets current run number. Calibration data is read from the corresponding file. | |
155 | // | |
156 | if (fRun == run) | |
157 | return; | |
158 | fRun = run; | |
159 | Update(); | |
160 | } | |
161 | ||
162 | ||
163 | ||
164 | void AliTPCcalibDB::Update(){ | |
165 | // | |
166 | AliCDBEntry * entry=0; | |
167 | // | |
168 | entry = GetCDBEntry("TPC/Calib/PadGainFactor"); | |
169 | if (entry){ | |
170 | if (fPadGainFactor) delete fPadGainFactor; | |
171 | entry->SetOwner(kTRUE); | |
172 | fPadGainFactor = (AliTPCCalPad*)entry->GetObject(); | |
173 | } | |
174 | // | |
175 | entry = GetCDBEntry("TPC/Calib/PadTime0"); | |
176 | if (entry){ | |
177 | if (fPadTime0) delete fPadTime0; | |
178 | entry->SetOwner(kTRUE); | |
179 | fPadTime0 = (AliTPCCalPad*)entry->GetObject(); | |
180 | } | |
181 | // | |
182 | entry = GetCDBEntry("TPC/Calib/PadPRF"); | |
183 | if (entry){ | |
184 | if (fPadPRFWidth) delete fPadPRFWidth; | |
185 | entry->SetOwner(kTRUE); | |
186 | fPadPRFWidth = (AliTPCCalPad*)entry->GetObject(); | |
187 | } | |
188 | // | |
189 | entry = GetCDBEntry("TPC/Calib/PadNoise"); | |
190 | if (entry){ | |
191 | if (fPadNoise) delete fPadNoise; | |
192 | entry->SetOwner(kTRUE); | |
193 | fPadNoise = (AliTPCCalPad*)entry->GetObject(); | |
194 | } | |
195 | // | |
196 | ||
197 | } |