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c52c2132 | 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 | // Author: Andrei Gheata, 31/05/2006 | |
18 | ||
19 | //============================================================================== | |
20 | // AliAnalysisSelector - A transparent selector to be created by | |
21 | // AliAnalysisManager to handle analysis. | |
22 | //============================================================================== | |
23 | ||
c2e40c93 | 24 | #include <Riostream.h> |
25 | #include <TProcessID.h> | |
270bc710 | 26 | #include <TROOT.h> |
c52c2132 | 27 | |
28 | #include "AliAnalysisManager.h" | |
29 | #include "AliAnalysisTask.h" | |
30 | #include "AliAnalysisDataContainer.h" | |
31 | #include "AliAnalysisSelector.h" | |
32 | ||
c82bb898 | 33 | using std::cout; |
34 | using std::endl; | |
c52c2132 | 35 | ClassImp(AliAnalysisSelector) |
36 | ||
1f87e9fb | 37 | //______________________________________________________________________________ |
38 | AliAnalysisSelector::AliAnalysisSelector() | |
39 | :TSelector(), | |
40 | fInitialized(kFALSE), | |
41 | fAnalysis(NULL) | |
42 | { | |
43 | // Dummy ctor. | |
44 | fAnalysis = AliAnalysisManager::GetAnalysisManager(); | |
45 | if (fAnalysis) fAnalysis->SetSelector(this); | |
46 | } | |
47 | ||
c52c2132 | 48 | //______________________________________________________________________________ |
49 | AliAnalysisSelector::AliAnalysisSelector(AliAnalysisManager *mgr) | |
50 | :TSelector(), | |
51 | fInitialized(kFALSE), | |
52 | fAnalysis(mgr) | |
53 | { | |
54 | // Constructor. Called by AliAnalysisManager which registers itself on the | |
55 | // selector running on the master. | |
1f87e9fb | 56 | mgr->SetSelector(this); |
c52c2132 | 57 | } |
58 | ||
59 | //______________________________________________________________________________ | |
60 | AliAnalysisSelector::~AliAnalysisSelector() | |
61 | { | |
62 | // Dtor. The analysis manager object is sent in the input list and duplicated | |
63 | // on the workers - it needs to be deleted (?) | |
64 | // if (fAnalysis) delete fAnalysis; | |
65 | } | |
66 | ||
67 | //______________________________________________________________________________ | |
68 | void AliAnalysisSelector::Init(TTree *tree) | |
69 | { | |
70 | // Called after Begin/SlaveBegin, assumes that fAnalysis is already initialized. | |
71 | // Is Init called on workers in case of PROOF. | |
72 | if (!fAnalysis) { | |
73 | Error("Init", "Analysis manager NULL !"); | |
2d626244 | 74 | Abort("Cannot initialize without analysis manager. Aborting."); |
75 | SetStatus(-1); | |
c52c2132 | 76 | return; |
77 | } | |
cd463514 | 78 | if (fAnalysis->GetDebugLevel()>1) { |
981f2614 | 79 | cout << "->AliAnalysisSelector->Init()" << endl; |
80 | } | |
c52c2132 | 81 | if (!tree) { |
82 | Error("Init", "Input tree is NULL !"); | |
2d626244 | 83 | Abort("Cannot initialize without tree. Aborting."); |
84 | SetStatus(-1); | |
c52c2132 | 85 | return; |
86 | } | |
2d626244 | 87 | fInitialized = fAnalysis->Init(tree); |
88 | if (!fInitialized) { | |
89 | Error("Init", "Some error occured during analysis manager initialization. Aborting."); | |
90 | Abort("Error during AliAnalysisManager::Init()"); | |
91 | SetStatus(-1); | |
92 | return; | |
93 | } | |
cd463514 | 94 | if (fAnalysis->GetDebugLevel()>1) { |
981f2614 | 95 | cout << "<-AliAnalysisSelector->Init()" << endl; |
96 | } | |
c52c2132 | 97 | } |
98 | ||
99 | //______________________________________________________________________________ | |
100 | void AliAnalysisSelector::Begin(TTree *) | |
101 | { | |
102 | // Assembly the input list. | |
103 | RestoreAnalysisManager(); | |
cd463514 | 104 | if (fAnalysis && fAnalysis->GetDebugLevel()>1) { |
36e82a52 | 105 | cout << "->AliAnalysisSelector->Begin: Analysis manager restored" << endl; |
270bc710 | 106 | gROOT->SetMustClean(fAnalysis->MustClean()); |
36e82a52 | 107 | } |
c52c2132 | 108 | } |
109 | ||
110 | //______________________________________________________________________________ | |
111 | void AliAnalysisSelector::SlaveBegin(TTree *tree) | |
112 | { | |
113 | // Called on each worker. We "unpack" analysis manager here and call InitAnalysis. | |
114 | RestoreAnalysisManager(); | |
981f2614 | 115 | if (fAnalysis) { |
270bc710 | 116 | gROOT->SetMustClean(fAnalysis->MustClean()); |
cd463514 | 117 | if (fAnalysis->GetDebugLevel()>1) { |
981f2614 | 118 | cout << "->AliAnalysisSelector->SlaveBegin() after Restore" << endl; |
119 | } | |
120 | fAnalysis->SlaveBegin(tree); | |
cd463514 | 121 | if (fAnalysis->GetDebugLevel()>1) { |
981f2614 | 122 | cout << "<-AliAnalysisSelector->SlaveBegin()" << endl; |
123 | } | |
124 | } | |
36e82a52 | 125 | } |
c52c2132 | 126 | |
981f2614 | 127 | //______________________________________________________________________________ |
128 | Bool_t AliAnalysisSelector::Notify() | |
129 | { | |
130 | // The Notify() function is called when a new file is opened. This | |
131 | // can be either for a new TTree in a TChain or when when a new TTree | |
132 | // is started when using PROOF. It is normaly not necessary to make changes | |
133 | // to the generated code, but the routine can be extended by the | |
134 | // user if needed. The return value is currently not used. | |
d8a5ee94 | 135 | if (fAnalysis) return fAnalysis->Notify(); |
136 | return kFALSE; | |
36e82a52 | 137 | } |
981f2614 | 138 | |
c52c2132 | 139 | //______________________________________________________________________________ |
140 | Bool_t AliAnalysisSelector::Process(Long64_t entry) | |
141 | { | |
142 | // Event loop. | |
4747b4a7 | 143 | static Int_t count = 0; |
144 | count++; | |
cd463514 | 145 | if (fAnalysis->GetDebugLevel() > 1) { |
981f2614 | 146 | cout << "->AliAnalysisSelector::Process()" << endl; |
36e82a52 | 147 | } |
1ee5d9a3 | 148 | static Bool_t init=kTRUE; |
149 | static Int_t nobjCount = 0; | |
150 | if(init) { | |
151 | nobjCount = TProcessID::GetObjectCount(); | |
152 | init=kFALSE; | |
153 | } | |
154 | TProcessID::SetObjectCount(nobjCount); | |
8e57d9c4 | 155 | Int_t returnCode = fAnalysis->GetEntry(entry); |
f5cbe261 | 156 | if (returnCode <= 0) { |
157 | cout << "Error retrieving event:" << entry << " Skipping ..." << endl; | |
158 | fAnalysis->CountEvent(1,0,1,0); | |
1d0b4d65 | 159 | // Try to skip file |
160 | Abort("Bad stream to file. Trying next image.", kAbortFile); | |
161 | return kFALSE; | |
f5cbe261 | 162 | } else { |
163 | fAnalysis->ExecAnalysis(); | |
c390e055 | 164 | fAnalysis->CountEvent(1,1,0,0); |
f5cbe261 | 165 | } |
cd463514 | 166 | if (fAnalysis->GetDebugLevel() > 1) { |
981f2614 | 167 | cout << "<-AliAnalysisSelector::Process()" << endl; |
168 | } | |
c52c2132 | 169 | return kTRUE; |
170 | } | |
171 | ||
172 | //______________________________________________________________________________ | |
173 | void AliAnalysisSelector::RestoreAnalysisManager() | |
174 | { | |
175 | // Restores analysis manager from the input list. | |
176 | if (!fAnalysis) { | |
177 | TIter next(fInput); | |
178 | TObject *obj; | |
179 | while ((obj=next())) { | |
180 | if (obj->IsA() == AliAnalysisManager::Class()) { | |
181 | fAnalysis = (AliAnalysisManager*)obj; | |
8d7d3b59 | 182 | fAnalysis->SetSelector(this); |
cd463514 | 183 | if (fAnalysis->GetDebugLevel()>1) { |
981f2614 | 184 | cout << "->AliAnalysisSelector->RestoreAnalysisManager: Analysis manager restored" << endl; |
185 | } | |
c52c2132 | 186 | break; |
187 | } | |
188 | } | |
189 | if (!fAnalysis) { | |
190 | Error("SlaveBegin", "Analysis manager not found in the input list"); | |
191 | return; | |
192 | } | |
193 | } | |
194 | } | |
195 | ||
196 | //______________________________________________________________________________ | |
197 | void AliAnalysisSelector::SlaveTerminate() | |
198 | { | |
199 | // The SlaveTerminate() function is called after all entries or objects | |
200 | // have been processed. When running with PROOF SlaveTerminate() is called | |
201 | // on each slave server. | |
270bc710 | 202 | gROOT->SetMustClean(kTRUE); |
2d626244 | 203 | if (fStatus == -1) return; // TSelector won't abort... |
aee5ee44 | 204 | if (fAnalysis->GetAnalysisType() == AliAnalysisManager::kMixingAnalysis) return; |
cd463514 | 205 | if (fAnalysis->GetDebugLevel() > 1) { |
981f2614 | 206 | cout << "->AliAnalysisSelector::SlaveTerminate()" << endl; |
c52c2132 | 207 | } |
208 | fAnalysis->PackOutput(fOutput); | |
cd463514 | 209 | if (fAnalysis->GetDebugLevel() > 1) { |
981f2614 | 210 | cout << "<-AliAnalysisSelector::SlaveTerminate()" << endl; |
211 | } | |
c52c2132 | 212 | } |
213 | ||
214 | //______________________________________________________________________________ | |
215 | void AliAnalysisSelector::Terminate() | |
216 | { | |
217 | // The Terminate() function is the last function to be called during | |
218 | // a query. It always runs on the client, it can be used to present | |
219 | // the results graphically or save the results to file. | |
270bc710 | 220 | gROOT->SetMustClean(kTRUE); |
2d626244 | 221 | if (fStatus == -1) return; // TSelector won't abort... |
c52c2132 | 222 | if (!fAnalysis) { |
36e82a52 | 223 | Error("Terminate","AliAnalysisSelector::Terminate: No analysis manager!!!"); |
c52c2132 | 224 | return; |
225 | } | |
aee5ee44 | 226 | // No Terminate() in case of event mixing |
227 | if (fAnalysis->GetAnalysisType() == AliAnalysisManager::kMixingAnalysis) return; | |
cd463514 | 228 | if (fAnalysis->GetDebugLevel() > 1) { |
981f2614 | 229 | cout << "->AliAnalysisSelector::Terminate()" << endl; |
c52c2132 | 230 | } |
231 | fAnalysis->UnpackOutput(fOutput); | |
232 | fAnalysis->Terminate(); | |
cd463514 | 233 | if (fAnalysis->GetDebugLevel() > 1) { |
981f2614 | 234 | cout << "<-AliAnalysisSelector::Terminate()" << endl; |
235 | } | |
c52c2132 | 236 | } |