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3551db50 | 1 | #ifndef ALITRDCALIBDB_H |
2 | #define ALITRDCALIBDB_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /////////////////////////////////////////////////////////////////////////////// | |
7 | // // | |
8 | // Class providing the calibration parameters by accessing the CDB // | |
9 | // // | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | /* $Id$ */ | |
13 | ||
14 | #include <iostream> | |
15 | #include "TObject.h" | |
16 | ||
17 | #include "AliLog.h" | |
18 | #include "AliTRDgeometry.h" | |
19 | ||
20 | #include <AliCDBStorage.h> | |
21 | #include <AliCDBEntry.h> | |
22 | ||
23 | //includes neccessary here for compiliation of dynamic_cast | |
24 | #include "AliTRDCalPad.h" | |
25 | #include "AliTRDCalDet.h" | |
26 | ||
27 | class AliTRDCalChamber; | |
28 | class AliTRDCalStack; | |
29 | class AliTRDCalGlobals; | |
30 | ||
31 | // defines call to function by providing plane, chamber, sector instead of detector | |
32 | #define HEADER_PAD(funcname) \ | |
33 | Float_t funcname(Int_t plane, Int_t chamber, Int_t sector, Int_t col, Int_t row) \ | |
34 | { return funcname(AliTRDgeometry::GetDetector(plane, chamber, sector), col, row); } | |
35 | ||
36 | // defines call to function by providing plane, chamber, sector instead of detector | |
37 | #define HEADER_CHAMBER(funcname) \ | |
38 | Bool_t funcname(Int_t plane, Int_t chamber, Int_t sector, Float_t* xyz) \ | |
39 | { return funcname(AliTRDgeometry::GetDetector(plane, chamber, sector), xyz); } | |
40 | ||
41 | // This macro creates a piece of code in the function GetCDBObject which retrieves the object with path <cdbPath> from | |
42 | // the CDB when GetCDBObject(cdbEntryId) is called. | |
43 | /* EXAMPLE: When called e.g. CACHE_CDB_OBJECT(kIDVdrift, "TRD/Calib/LocalVdrift") it produces the following piece of code: | |
44 | case kIDVdrift : { \ | |
45 | if (!fCDBCache[kIDVdrift]) \ | |
46 | { \ | |
47 | fCDBEntries[kIDVdrift] = GetCDBEntry(TRD/Calib/LocalVdrift"); \ | |
48 | if (fCDBEntries[kIDVdrift]) \ | |
49 | fCDBCache[kIDVdrift] = fCDBEntries[kIDVdrift]->GetObject(); \ | |
50 | } \ | |
51 | return fCDBCache[kIDVdrift]; \ | |
52 | } \ | |
53 | break; | |
54 | */ | |
55 | #define CACHE_CDB_OBJECT(cdbEntryId, cdbPath) \ | |
56 | case cdbEntryId : { \ | |
57 | if (!fCDBCache[cdbEntryId]) \ | |
58 | { \ | |
59 | fCDBEntries[cdbEntryId] = GetCDBEntry(cdbPath); \ | |
60 | if (fCDBEntries[cdbEntryId]) \ | |
61 | fCDBCache[cdbEntryId] = fCDBEntries[cdbEntryId]->GetObject(); \ | |
62 | } \ | |
63 | return fCDBCache[cdbEntryId]; \ | |
64 | } \ | |
65 | break; | |
66 | ||
67 | // The following macro retrieves and caches an object from the CDB. The macro is specialized for parameters which are stored | |
68 | // as local variation at pad level of a global variable defined per detector chamber. It uses the classes AliTRDCalPad and AliTRDCalDet. | |
69 | // Before storing the object it retrieves the local variations (cdbPath) and the global variable (cdbMergePath) and merges them using | |
70 | // the AliTRDCalPad::ScaleROCs. | |
71 | #define CACHE_MERGE_CDB_OBJECT(cdbEntryId, cdbPath, cdbMergePath) \ | |
72 | case cdbEntryId : { \ | |
73 | if (!fCDBCache[cdbEntryId]) { \ | |
74 | AliTRDCalDet* detObject = 0; \ | |
75 | AliTRDCalPad* padObject = 0; \ | |
76 | \ | |
77 | fCDBEntries[cdbEntryId] = GetCDBEntry(cdbPath); \ | |
78 | if (fCDBEntries[cdbEntryId]) \ | |
79 | padObject = dynamic_cast<AliTRDCalPad*>(fCDBEntries[cdbEntryId]->GetObject()); \ | |
80 | \ | |
81 | AliCDBEntry* mergeEntry = GetCDBEntry(cdbMergePath); \ | |
82 | if (mergeEntry) \ | |
83 | detObject = dynamic_cast<AliTRDCalDet*>(mergeEntry->GetObject()); \ | |
84 | if (!padObject || !detObject) { \ | |
85 | if (fCDBEntries[cdbEntryId]) { \ | |
86 | delete fCDBEntries[cdbEntryId]; \ | |
87 | fCDBEntries[cdbEntryId] = 0; \ | |
88 | } \ | |
89 | if (mergeEntry) \ | |
90 | delete mergeEntry; \ | |
91 | return 0; \ | |
92 | } \ | |
93 | padObject->ScaleROCs(detObject); \ | |
94 | delete mergeEntry; \ | |
95 | fCDBCache[cdbEntryId] = padObject; \ | |
96 | } \ | |
97 | return fCDBCache[cdbEntryId]; \ | |
98 | } \ | |
99 | break; | |
100 | ||
101 | class AliTRDcalibDB : public TObject | |
102 | { | |
103 | public: | |
104 | static AliTRDcalibDB* Instance(); | |
105 | static void Terminate(); | |
106 | ||
107 | void SetRun(Long64_t run); | |
108 | ||
109 | Bool_t GetChamberPos(Int_t det, Float_t* xyz); | |
110 | HEADER_CHAMBER(GetChamberPos); | |
111 | ||
112 | Bool_t GetChamberRot(Int_t det, Float_t* xyz); | |
113 | HEADER_CHAMBER(GetChamberRot); | |
114 | ||
115 | Bool_t GetStackPos(Int_t chamber, Int_t sector, Float_t* xyz); | |
116 | Bool_t GetStackRot(Int_t chamber, Int_t sector, Float_t* xyz); | |
117 | ||
118 | Float_t GetVdrift(Int_t det, Int_t col, Int_t row); | |
119 | HEADER_PAD(GetVdrift); | |
120 | ||
121 | Float_t GetT0(Int_t det, Int_t col, Int_t row); | |
122 | HEADER_PAD(GetT0); | |
123 | ||
124 | Float_t GetGainFactor(Int_t det, Int_t col, Int_t row); | |
125 | HEADER_PAD(GetGainFactor); | |
126 | ||
127 | Float_t GetSamplingFrequency(); | |
128 | Int_t GetNumberOfTimeBins(); | |
129 | ||
130 | //Related functions, these depend on calibration data | |
131 | virtual Float_t GetOmegaTau(Float_t vdrift); | |
132 | ||
133 | protected: | |
134 | void Invalidate(); | |
135 | ||
136 | static AliTRDcalibDB* fgInstance; // Instance of this class (singleton implementation) | |
137 | static Bool_t fgTerminated; // Defines if this class has already been terminated and therefore does not return instances in GetInstance anymore | |
138 | ||
139 | AliCDBStorage* fLocator; // Storage locator retrieved from AliCDBManager | |
140 | ||
141 | enum { kCDBCacheSize = 7 }; // Number of cached objects | |
142 | enum { kIDVdrift = 0, kIDT0 = 1, kIDGainFactor = 2, kIDPRFWidth = 3, kIDGlobals = 4, kIDChamber = 5, kIDStack = 6 }; // IDs of cached objects | |
143 | ||
144 | AliCDBEntry* fCDBEntries[kCDBCacheSize]; // Cache for CDB entries | |
145 | TObject* fCDBCache[kCDBCacheSize]; // Cache for calibration objects. | |
146 | ||
147 | AliCDBEntry* GetCDBEntry(const char* cdbPath) | |
148 | { | |
149 | // | |
150 | // Retrieves an entry with path <cdbPath> from the CDB. | |
151 | // | |
152 | ||
153 | if (fRun < 0) | |
154 | { | |
155 | AliFatal("AliTRDcalibDB: Run number not set! Use AliTRDcalibDB::SetRun."); | |
156 | //std::cerr << "AliTRDcalibDB: Run number not set! Use AliTRDcalibDB::SetRun." << std::endl; | |
157 | return 0; | |
158 | } | |
159 | if (!fLocator) | |
160 | { | |
161 | std::cerr << "AliTRDcalibDB: Storage Locator not available." << std::endl; | |
162 | return 0; | |
163 | } | |
164 | AliCDBEntry* entry = fLocator->Get(cdbPath, fRun); | |
165 | if (!entry) | |
166 | { | |
167 | std::cerr << "AliTRDcalibDB: Failed to get entry: " << cdbPath << std::endl; | |
168 | return 0; | |
169 | } | |
170 | std::cout << "AliTRDcalibDB: Retrieved object: " << cdbPath << std::endl; | |
171 | return entry; | |
172 | } | |
173 | ||
174 | TObject* GetCachedCDBObject(Int_t id) | |
175 | { | |
176 | // | |
177 | // Retrieves a cdb object with the given id. The objects are cached as long as the run number is not changed. | |
178 | // | |
179 | // Put together the available objects by using the macros CACHE_CDB_OBJECT and CACHE_MERGE_CDB_OBJECT. | |
180 | // The maximal number of cached objects is given above in kCDBCacheSize, the ids of the objects in the enum below kCDBCacheSize. | |
181 | // CACHE_CDB_OBJECT can be used for usual calibration objects. | |
182 | // CACHE_MERGE_CDB_OBJECT for calibration data which depends on two objects: One containing a value per detector and one the local | |
183 | // fluctuations per pad. | |
184 | // | |
185 | ||
186 | switch (id) | |
187 | { | |
188 | // parameters defined per pad | |
189 | CACHE_MERGE_CDB_OBJECT(kIDVdrift, "TRD/Calib/LocalVdrift", "TRD/Calib/ChamberVdrift"); | |
190 | CACHE_MERGE_CDB_OBJECT(kIDT0, "TRD/Calib/LocalT0", "TRD/Calib/ChamberT0"); | |
191 | CACHE_CDB_OBJECT(kIDGainFactor, "TRD/Calib/GainFactor"); | |
192 | CACHE_CDB_OBJECT(kIDPRFWidth, "TRD/Calib/PRFWidth"); | |
193 | ||
194 | // global parameters | |
195 | CACHE_CDB_OBJECT(kIDGlobals, "TRD/Calib/Globals"); | |
196 | CACHE_CDB_OBJECT(kIDChamber, "TRD/Calib/Chamber"); | |
197 | CACHE_CDB_OBJECT(kIDStack, "TRD/Calib/Stack"); | |
198 | } | |
199 | return 0; | |
200 | } | |
201 | ||
202 | Long64_t fRun; | |
203 | ||
204 | private: | |
205 | // this is a singleton, constructor is private! | |
206 | AliTRDcalibDB(); | |
207 | virtual ~AliTRDcalibDB(); | |
208 | ||
209 | ClassDef(AliTRDcalibDB, 0) | |
210 | }; | |
211 | ||
212 | #undef HEADER_PAD | |
213 | #undef HEADER_CHAMBER | |
214 | #undef CACHE_CDB_OBJECT | |
215 | #undef CACHE_MERGE_CDB_OBJECT | |
216 | ||
217 | #endif |