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d3106602 | 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 | // AliAnalysysRLContainer - | |
21 | //============================================================================== | |
22 | ||
23 | #include "AliAnalysisRLContainer.h" | |
24 | #include "TTree.h" | |
25 | #include "TFile.h" | |
26 | ||
27 | #include "AliLog.h" | |
28 | #include "AliRunLoader.h" | |
29 | #include "AliESD.h" | |
30 | #include "AliHeader.h" | |
31 | #include "AliStack.h" | |
32 | #include "AliAnalysisDataContainer.h" | |
33 | #include "AliAnalysisDataSlot.h" | |
34 | #include "AliAnalysisTask.h" | |
35 | ||
36 | ClassImp(AliAnalysisRLContainer) | |
37 | ||
38 | //______________________________________________________________________________ | |
39 | AliAnalysisRLContainer::AliAnalysisRLContainer() | |
40 | { | |
41 | // Dummy ctor. | |
42 | fRunLoader = 0; | |
43 | fESD = 0; | |
44 | fKineFile = 0; | |
45 | fKinematicsLoaded = kFALSE; | |
46 | fHeaderLoaded = kFALSE; | |
47 | } | |
48 | ||
49 | //______________________________________________________________________________ | |
50 | AliAnalysisRLContainer::AliAnalysisRLContainer(const char *name) | |
51 | :AliAnalysisDataContainer(name, TTree::Class()) | |
52 | { | |
53 | // Normal constructor. | |
54 | fRunLoader = 0; | |
55 | fESD = 0; | |
56 | fKineFile = 0; | |
57 | fKinematicsLoaded = kFALSE; | |
58 | fHeaderLoaded = kFALSE; | |
59 | } | |
60 | ||
61 | //______________________________________________________________________________ | |
62 | AliAnalysisRLContainer::~AliAnalysisRLContainer() | |
63 | { | |
64 | // Destructor. Deletes data ! (What happens if data is a container ???) | |
65 | } | |
66 | ||
67 | //______________________________________________________________________________ | |
68 | Bool_t AliAnalysisRLContainer::SetData(TObject *data, Option_t */*option*/) | |
69 | { | |
70 | // Data must be a tree here. | |
71 | fData = data; | |
72 | TTree *tree = (TTree *)data; | |
73 | // Set branch address | |
74 | tree->SetBranchAddress("ESD", &fESD); | |
75 | fDataReady = kTRUE; | |
76 | return kTRUE; | |
77 | } | |
78 | ||
79 | //______________________________________________________________________________ | |
80 | void AliAnalysisRLContainer::GetEntry(Long64_t ientry) | |
81 | { | |
82 | // If data is ready and derives from TTree or from TBranch, this will get the | |
83 | // requested entry in memory if not already loaded. | |
84 | if (!fDataReady) return; | |
85 | TTree *tree = (TTree*)fData; | |
86 | tree->GetTree()->GetEntry(ientry); | |
87 | if (fRunLoader) fRunLoader->GetEvent(ientry); | |
88 | } | |
89 | ||
90 | //______________________________________________________________________________ | |
91 | void AliAnalysisRLContainer::NotifyChange(ENotifyMessage type) | |
92 | { | |
93 | // Notify container that file has changed. | |
94 | AliAnalysisDataContainer::NotifyChange(type); | |
95 | if (!type==kFileChange) return; | |
96 | DeleteKinematicsFile(); | |
97 | DeleteRunLoader(); | |
98 | } | |
99 | ||
100 | //______________________________________________________________________________ | |
101 | void AliAnalysisRLContainer::DeleteRunLoader() | |
102 | { | |
103 | // Deletes the runloader. | |
104 | if (fRunLoader) { | |
105 | fRunLoader->Delete(); | |
106 | fRunLoader = 0; | |
107 | } | |
108 | fKinematicsLoaded = kFALSE; | |
109 | fHeaderLoaded = kFALSE; | |
110 | } | |
111 | ||
112 | //______________________________________________________________________________ | |
113 | void AliAnalysisRLContainer::DeleteKinematicsFile() | |
114 | { | |
115 | // Closes the kinematics file and deletes the pointer. | |
116 | if (fKineFile) { | |
117 | fKineFile->Close(); | |
118 | delete fKineFile; | |
119 | fKineFile = 0; | |
120 | } | |
121 | } | |
122 | ||
123 | //______________________________________________________________________________ | |
124 | AliRunLoader* AliAnalysisRLContainer::GetRunLoader() | |
125 | { | |
126 | // Returns AliRun instance corresponding to current ESD active in fTree | |
127 | // Loads galice.root, the file is identified by replacing "AliESDs" to | |
128 | // "galice" in the file path of the ESD file. This is a hack, to be changed! | |
129 | ||
130 | if (!fDataReady) return 0; | |
131 | TTree *tree = (TTree*)fData; | |
132 | if (!fRunLoader) { | |
133 | if (!tree->GetCurrentFile()) return 0; | |
134 | TString fileName(tree->GetCurrentFile()->GetName()); | |
135 | fileName.ReplaceAll("AliESDs", "galice"); | |
136 | fRunLoader = AliRunLoader::Open(fileName); | |
137 | if (!fRunLoader) return 0; | |
138 | if (fRunLoader->LoadgAlice() != 0) { | |
139 | delete fRunLoader; | |
140 | fRunLoader = 0; | |
141 | return 0; | |
142 | } | |
143 | fRunLoader->GetEvent(tree->GetTree()->GetReadEntry()); | |
144 | } | |
145 | return fRunLoader; | |
146 | } | |
147 | ||
148 | //______________________________________________________________________________ | |
149 | AliHeader* AliAnalysisRLContainer::GetHeader() | |
150 | { | |
151 | // Returns header retrieved from RunLoader | |
152 | AliRunLoader* runLoader = GetRunLoader(); | |
153 | if (!runLoader) return 0; | |
154 | if (!fHeaderLoaded) | |
155 | if (runLoader->LoadHeader() != 0) return 0; | |
156 | fHeaderLoaded = kTRUE; | |
157 | return runLoader->GetHeader(); | |
158 | } | |
159 | ||
160 | //______________________________________________________________________________ | |
161 | TTree* AliAnalysisRLContainer::GetKinematics() | |
162 | { | |
163 | // Returns kinematics tree corresponding to current ESD active in fTree | |
164 | // Loads the kinematics from the kinematics file, the file is identified by replacing "AliESDs" to | |
165 | // "Kinematics" in the file path of the ESD file. This is a hack, to be changed! | |
166 | ||
167 | if (!fDataReady) return 0; | |
168 | TTree *tree = (TTree*)fData; | |
169 | if (!fKineFile) { | |
170 | if (!tree->GetCurrentFile()) return 0; | |
171 | TString fileName(tree->GetCurrentFile()->GetName()); | |
172 | fileName.ReplaceAll("AliESDs", "Kinematics"); | |
173 | ||
174 | AliDebug(AliLog::kInfo, Form("Opening %s", fileName.Data())); | |
175 | ||
176 | fKineFile = TFile::Open(fileName); | |
177 | if (!fKineFile) return 0; | |
178 | } | |
179 | return dynamic_cast<TTree*> (fKineFile->Get(Form("Event%d/TreeK", tree->GetTree()->GetReadEntry()))); | |
180 | } | |
181 | ||
182 | //______________________________________________________________________________ | |
183 | AliStack* AliAnalysisRLContainer::GetStack() | |
184 | { | |
185 | // Returns stack retrieved from RunLoader | |
186 | ||
187 | AliRunLoader* runLoader = GetRunLoader(); | |
188 | if (!runLoader) return 0; | |
189 | if (!fKinematicsLoaded) | |
190 | if (runLoader->LoadKinematics() != 0) return 0; | |
191 | fKinematicsLoaded = kTRUE; | |
192 | return runLoader->Stack(); | |
193 | } |