Add a copy of FileTag in the copy constructor
[u/mrichter/AliRoot.git] / PWG1 / AliTaskCDBconnect.cxx
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f902e6f2 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
22#include "AliAnalysisManager.h"
23#include "AliGeomManager.h"
24#include "AliCDBManager.h"
25#include "AliGRPManager.h"
26#include "AliESDEvent.h"
27#include "AliESDInputHandler.h"
28#include "AliLog.h"
29
30ClassImp(AliTaskCDBconnect)
31
32//______________________________________________________________________________
33AliTaskCDBconnect::AliTaskCDBconnect():
34 AliAnalysisTask(),
35 fRun(0),
36 fRunChanged(kFALSE),
37 fESDhandler(NULL),
38 fESD(NULL),
39 fGRPManager(NULL)
40{
41// Dummy constructor
42}
43
44//______________________________________________________________________________
45AliTaskCDBconnect::AliTaskCDBconnect(const char* name):
46 AliAnalysisTask(name, "ESD analysis tender car"),
47 fRun(0),
48 fRunChanged(kFALSE),
49 fESDhandler(NULL),
50 fESD(NULL),
51 fGRPManager(NULL)
52{
53// Default constructor
54 AliCDBManager *cdb = AliCDBManager::Instance();
55 cdb->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
56 cdb->SetRun(0);
57 DefineInput (0, TChain::Class());
58// DefineOutput(0, AliESDEvent::Class());
59}
60
61//______________________________________________________________________________
62AliTaskCDBconnect::~AliTaskCDBconnect()
63{
64// Destructor
65 if (fGRPManager) delete fGRPManager;
66// if (gGeoManager) delete gGeoManager;
67}
68
69//______________________________________________________________________________
70void AliTaskCDBconnect::LocalInit()
71{
72// Init CDB locally if run number is defined.
73 if (!fRun) {
2251e21b 74 Info("LocalInit","AliTaskCDBconnect::LocalInit Run number not defined yet");
f902e6f2 75 return;
76 }
77 // Create CDB manager
78 AliCDBManager *cdb = AliCDBManager::Instance();
79 // SetDefault storage. Specific storages must be set by TaskCDBconnectSupply::Init()
80// cdb->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
81 cdb->SetDefaultStorage("raw://");
82 // Set run
83 cdb->SetRun(fRun);
84 // Initialize GRP manager only once
85 InitGRP();
86}
87
88//______________________________________________________________________________
89void AliTaskCDBconnect::ConnectInputData(Option_t* /*option*/)
90{
91// Connect the input data, create CDB manager.
f902e6f2 92}
93
94//______________________________________________________________________________
95void AliTaskCDBconnect::InitGRP()
96{
97// Initialize geometry and mag. field
98 if (!fGRPManager) {
99 // magnetic field
100 if (!TGeoGlobalMagField::Instance()->GetField()) {
2251e21b 101 printf("AliCDBconnect: #### Loading field map...\n");
f902e6f2 102 fGRPManager = new AliGRPManager();
103 if(!fGRPManager->ReadGRPEntry()) {
2251e21b 104 AliError("Cannot get GRP entry");
f902e6f2 105 }
106 if( !fGRPManager->SetMagField() ) {
2251e21b 107 AliError("Problem with magnetic field setup");
f902e6f2 108 }
109 }
110
111 // geometry
2251e21b 112 printf("AliCDBconnect: #### Loading geometry...\n");
f902e6f2 113 AliGeomManager::LoadGeometry();
114 if( !AliGeomManager::ApplyAlignObjsFromCDB("GRP ITS TPC") ) {
2251e21b 115 AliError("Problem with align objects");
f902e6f2 116 }
117 }
118}
119
120//______________________________________________________________________________
121void AliTaskCDBconnect::CreateOutputObjects()
122{
2251e21b 123// Init CDB locally if run number is defined.
124 AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
125 if (!mgr) AliFatal("No analysis manager");
126 fESDhandler = dynamic_cast<AliESDInputHandler *>(mgr->GetInputEventHandler());
127
128 if (!fESDhandler) {
129 AliFatal("No ESD input event handler connected");
130 return;
131 }
132 // Try to get event number before the first event is read
133 Int_t run = mgr->GetRunFromPath();
7b17a36b 134 if (!run && fESD) run = fESD->GetRunNumber();
2251e21b 135 if (!run) {
136 AliWarning("AliTaskCDBconnect: Could not set run from path");
137 if (!fRun) return;
138 }
139 printf("AliCDBconnect: #### Setting run to #%d\n", run);
140 // Create CDB manager
141 AliCDBManager *cdb = AliCDBManager::Instance();
142 // SetDefault storage. Specific storages must be set by TaskCDBconnectSupply::Init()
143// cdb->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
144 cdb->SetDefaultStorage("raw://");
145 if (run && (run != fRun)) {
146 fRunChanged = kTRUE;
147 fRun = run;
148 } else {
149 fRunChanged = kFALSE;
150 }
151 // Set run
152 if (fRunChanged) cdb->SetRun(fRun);
153 // Initialize GRP manager only once
154 if (fRun) InitGRP();
155}
156
157//______________________________________________________________________________
158Bool_t AliTaskCDBconnect::Notify()
159{
160// Init CDB locally if run number is defined.
161 CreateOutputObjects();
162 return kTRUE;
f902e6f2 163}
164
165//______________________________________________________________________________
166void AliTaskCDBconnect::Exec(Option_t* /*option*/)
167{
168//
169// Execute all supplied analysis of one event. Notify run change via RunChanged().
170 fESD = fESDhandler->GetEvent();
f902e6f2 171 // Intercept when the run number changed
172 if (fRun != fESD->GetRunNumber()) {
173 fRunChanged = kTRUE;
174 fRun = fESD->GetRunNumber();
2251e21b 175 Warning("Exec", "Run number changed in ESDEvent to %d", fRun);
f902e6f2 176 AliCDBManager::Instance()->SetRun(fRun);
177 }
178// PostData(0, fESD);
179}