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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 | #include "AliTaskCDBconnect.h" | |
17 | ||
18 | #include <TChain.h> | |
19 | #include <TFile.h> | |
20 | #include <TGeoGlobalMagField.h> | |
21 | #include "TGeoManager.h" | |
22 | ||
23 | #include "AliAnalysisManager.h" | |
24 | #include "AliGeomManager.h" | |
25 | #include "AliCDBManager.h" | |
26 | #include "AliGRPManager.h" | |
27 | #include "AliVEvent.h" | |
28 | #include "AliInputEventHandler.h" | |
29 | #include "AliLog.h" | |
30 | ||
31 | ClassImp(AliTaskCDBconnect) | |
32 | ||
33 | //______________________________________________________________________________ | |
34 | AliTaskCDBconnect::AliTaskCDBconnect(): | |
35 | AliAnalysisTask(), | |
36 | fRun(0), | |
37 | fGRPManager(NULL) | |
38 | { | |
39 | // Dummy constructor | |
40 | } | |
41 | ||
42 | //______________________________________________________________________________ | |
43 | AliTaskCDBconnect::AliTaskCDBconnect(const char* name, const char *storage, Int_t run) | |
44 | :AliAnalysisTask(name, "ESD analysis tender car"), | |
45 | fRun(run), | |
46 | fGRPManager(NULL) | |
47 | { | |
48 | // Default constructor | |
49 | AliCDBManager *cdb = AliCDBManager::Instance(); | |
50 | cdb->SetDefaultStorage(storage); | |
51 | DefineInput (0, TChain::Class()); | |
52 | if (run>0) InitGRP(); | |
53 | } | |
54 | ||
55 | //______________________________________________________________________________ | |
56 | AliTaskCDBconnect::~AliTaskCDBconnect() | |
57 | { | |
58 | // Destructor | |
59 | delete fGRPManager; | |
60 | } | |
61 | ||
62 | //______________________________________________________________________________ | |
63 | void AliTaskCDBconnect::InitGRP() | |
64 | { | |
65 | // Initialize geometry and mag. field | |
66 | AliCDBManager *cdb = AliCDBManager::Instance(); | |
67 | if (!cdb->IsDefaultStorageSet()) cdb->SetDefaultStorage("raw://"); | |
68 | cdb->SetRun(fRun); | |
69 | if (!fGRPManager) fGRPManager = new AliGRPManager(); | |
70 | AliInfo("AliCDBconnect: #### Loading GRP to init B-field..."); | |
71 | if(!fGRPManager->ReadGRPEntry()) AliFatal("Cannot get GRP entry"); | |
72 | if(!fGRPManager->SetMagField()) AliFatal("Problem with magnetic field setup"); | |
73 | // | |
74 | // geometry | |
75 | if (!gGeoManager) { | |
76 | AliInfo("AliCDBconnect: #### Loading geometry..."); | |
77 | AliGeomManager::LoadGeometry("geometry.root"); | |
78 | if(!AliGeomManager::ApplyAlignObjsFromCDB("GRP ITS TPC TRD")) AliWarning("Problem with align objects"); | |
79 | } | |
80 | } | |
81 | ||
82 | //______________________________________________________________________________ | |
83 | void AliTaskCDBconnect::CreateOutputObjects() | |
84 | { | |
85 | // Init CDB locally if run number is defined. | |
86 | // | |
87 | // try to init before the analysis set | |
88 | AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager(); | |
89 | if (!mgr) AliFatal("No analysis manager"); | |
90 | if ( fRun>0 && mgr->IsProofMode() ) { | |
91 | // in the proof mode the initialization done in the constructor is not available | |
92 | InitGRP(); | |
93 | } | |
94 | else { | |
95 | AliInfo("Run number is not available at this stage, InitGRP will be called in the execution loop"); | |
96 | } | |
97 | // | |
98 | } | |
99 | ||
100 | //______________________________________________________________________________ | |
101 | void AliTaskCDBconnect::Exec(Option_t* /*option*/) | |
102 | { | |
103 | // | |
104 | // Execute all supplied analysis of one event. Notify run change via RunChanged(). | |
105 | AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager(); | |
106 | if (!mgr) AliFatal("No analysis manager"); | |
107 | AliInputEventHandler* inp = (AliInputEventHandler*)mgr->GetInputEventHandler(); | |
108 | if (!inp) AliFatal("No input event handler connected"); | |
109 | // | |
110 | AliVEvent* ev = inp->GetEvent(); | |
111 | if (!ev) AliFatal("No event returned"); | |
112 | int run = ev->GetRunNumber(); | |
113 | // Intercept when the run number changed | |
114 | if (fRun != run) { | |
115 | fRun = run; | |
116 | InitGRP(); | |
117 | } | |
118 | } | |
119 | ||
120 | //______________________________________________________________________________ | |
121 | void AliTaskCDBconnect::SetSpecificStorage(const char* calibType, const char* dbString) | |
122 | { | |
123 | AliCDBManager *cdb = AliCDBManager::Instance(); | |
124 | cdb->SetSpecificStorage(calibType,dbString); | |
125 | } |