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397596ed | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2007, 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 | ||
18 | //------------------------------------------------------------------------- | |
19 | // Event handler for AOD input | |
20 | // Author: Andreas Morsch, CERN | |
21 | //------------------------------------------------------------------------- | |
22 | ||
3ba74948 | 23 | #include <TSystem.h> |
933fd60f | 24 | #include <TTree.h> |
26772015 | 25 | #include <TList.h> |
26 | #include <TNamed.h> | |
fb0cfe69 | 27 | #include <TFile.h> |
70908d05 | 28 | #include <TH2.h> |
397596ed | 29 | |
30 | #include "AliAODInputHandler.h" | |
31 | #include "AliAODEvent.h" | |
70908d05 | 32 | #include "AliVCuts.h" |
397596ed | 33 | |
34 | ClassImp(AliAODInputHandler) | |
35 | ||
c2b6979d | 36 | static Option_t *gAODDataType = "AOD"; |
37 | ||
397596ed | 38 | //______________________________________________________________________________ |
39 | AliAODInputHandler::AliAODInputHandler() : | |
90e04a88 | 40 | AliInputEventHandler(), |
4195c9c9 | 41 | fEvent(0), |
04a79fa0 | 42 | fMCEvent(new AliMCEvent()), |
1f842495 | 43 | fFriends(new TList()), |
44 | fMergeEvents(kFALSE), | |
25c90fa8 | 45 | fFriendsConnected(kFALSE), |
1f842495 | 46 | fFileToMerge(0), |
47 | fTreeToMerge(0), | |
04daa8bf | 48 | fAODEventToMerge(0), |
49 | fMergeOffset(0) | |
397596ed | 50 | { |
26772015 | 51 | // Default constructor |
70908d05 | 52 | fHistStatistics[0] = fHistStatistics[1] = NULL; |
397596ed | 53 | } |
54 | ||
55 | //______________________________________________________________________________ | |
26772015 | 56 | AliAODInputHandler::AliAODInputHandler(const char* name, const char* title): |
57 | AliInputEventHandler(name, title), | |
58 | fEvent(0), | |
04a79fa0 | 59 | fMCEvent(new AliMCEvent()), |
1f842495 | 60 | fFriends(new TList()), |
61 | fMergeEvents(kFALSE), | |
25c90fa8 | 62 | fFriendsConnected(kFALSE), |
1f842495 | 63 | fFileToMerge(0), |
64 | fTreeToMerge(0), | |
04daa8bf | 65 | fAODEventToMerge(0), |
66 | fMergeOffset(0) | |
397596ed | 67 | { |
26772015 | 68 | // Constructor |
70908d05 | 69 | fHistStatistics[0] = fHistStatistics[1] = NULL; |
397596ed | 70 | } |
71 | ||
72 | //______________________________________________________________________________ | |
26772015 | 73 | AliAODInputHandler::~AliAODInputHandler() |
397596ed | 74 | { |
26772015 | 75 | // Destructor |
70908d05 | 76 | fFriends->Delete(); |
77 | if (fHistStatistics[0]) { | |
78 | delete fHistStatistics[0]; | |
79 | fHistStatistics[0] = 0; | |
80 | } | |
81 | if (fHistStatistics[1]) { | |
82 | delete fHistStatistics[1]; | |
83 | fHistStatistics[1] = 0; | |
84 | } | |
397596ed | 85 | } |
86 | ||
70908d05 | 87 | //______________________________________________________________________________ |
b890a10d | 88 | Bool_t AliAODInputHandler::Init(TTree* tree, Option_t* opt) |
397596ed | 89 | { |
300d5701 | 90 | // Initialisation necessary for each new tree |
70908d05 | 91 | fTree = tree; |
70908d05 | 92 | if (!fTree) return kFALSE; |
32e5a29c | 93 | fTree->GetEntries(); |
25c90fa8 | 94 | ConnectFriends(); |
d329cad3 | 95 | |
25c90fa8 | 96 | SwitchOffBranches(); |
97 | SwitchOnBranches(); | |
4195c9c9 | 98 | |
25c90fa8 | 99 | // Get pointer to AOD event |
100 | if (!fEvent) fEvent = new AliAODEvent(); | |
101 | ||
102 | fEvent->ReadFromTree(fTree); | |
103 | ||
104 | if (fMixingHandler) fMixingHandler->Init(tree, opt); | |
105 | ||
106 | return kTRUE; | |
397596ed | 107 | } |
108 | ||
70908d05 | 109 | //______________________________________________________________________________ |
1f842495 | 110 | Bool_t AliAODInputHandler::BeginEvent(Long64_t entry) |
fbb264e0 | 111 | { |
112 | // | |
04a79fa0 | 113 | TClonesArray* mcParticles = (TClonesArray*) (fEvent->FindListObject("mcparticles")); |
114 | if (mcParticles) fMCEvent->SetParticleArray(mcParticles); | |
04daa8bf | 115 | if (fTreeToMerge) fTreeToMerge->GetEntry(entry + fMergeOffset); |
1f842495 | 116 | |
0c6c629b | 117 | fIsSelectedResult = fEvent->GetHeader()->GetOfflineTrigger(); |
b890a10d | 118 | |
119 | if (fMixingHandler) fMixingHandler->BeginEvent(entry); | |
0c6c629b | 120 | |
fbb264e0 | 121 | return kTRUE; |
122 | } | |
123 | ||
70908d05 | 124 | //______________________________________________________________________________ |
b890a10d | 125 | Bool_t AliAODInputHandler::Notify(const char* path) |
126 | { | |
127 | // Notifaction of directory change | |
128 | if (fMixingHandler) fMixingHandler->Notify(path); | |
25c90fa8 | 129 | if (!fFriendsConnected) { |
130 | ConnectFriends(); | |
131 | fEvent->ReadFromTree(fTree, "reconnect"); | |
132 | } | |
133 | fFriendsConnected = kFALSE; | |
134 | ||
70908d05 | 135 | TTree *ttree = fTree->GetTree(); |
136 | if (!ttree) ttree = fTree; | |
3ba74948 | 137 | TString statFname(gSystem->DirName(ttree->GetCurrentFile()->GetName())); |
138 | statFname += "/EventStat_temp.root"; | |
70908d05 | 139 | TFile *statFile = TFile::Open(statFname, "READ"); |
140 | if (statFile) { | |
141 | TList *list = (TList*)statFile->Get("cstatsout"); | |
142 | if (list) { | |
143 | AliVCuts *physSel = (AliVCuts*)list->At(0); | |
144 | if (physSel) { | |
145 | TH2F *hAll = dynamic_cast<TH2F*>(physSel->GetStatistics("ALL")); | |
146 | TH2F *hBin0 = dynamic_cast<TH2F*>(physSel->GetStatistics("BIN0")); | |
147 | if (fHistStatistics[0] && hAll) { | |
148 | TList tmplist; | |
149 | tmplist.Add(hAll); | |
150 | fHistStatistics[0]->Merge(&tmplist); | |
151 | tmplist.Clear(); | |
152 | tmplist.Add(hBin0); | |
153 | if (fHistStatistics[1] && hBin0) fHistStatistics[1]->Merge(&tmplist); | |
154 | } else { | |
3ba74948 | 155 | fHistStatistics[0] = static_cast<TH2F*>(hAll->Clone()); |
156 | fHistStatistics[1] = static_cast<TH2F*>(hBin0->Clone()); | |
157 | fHistStatistics[0]->SetDirectory(0); | |
158 | fHistStatistics[1]->SetDirectory(0); | |
70908d05 | 159 | } |
160 | } | |
3ba74948 | 161 | delete list; |
70908d05 | 162 | } |
b8047d30 | 163 | delete statFile; |
70908d05 | 164 | } |
b890a10d | 165 | return kTRUE; |
166 | } | |
167 | ||
70908d05 | 168 | //______________________________________________________________________________ |
b890a10d | 169 | Bool_t AliAODInputHandler::FinishEvent() |
170 | { | |
171 | // Finish event | |
172 | if (fMixingHandler) fMixingHandler->FinishEvent(); | |
173 | return kTRUE; | |
174 | } | |
175 | ||
70908d05 | 176 | //______________________________________________________________________________ |
26772015 | 177 | void AliAODInputHandler::AddFriend(char* filename) |
178 | { | |
179 | // Add a friend tree | |
180 | TNamed* obj = new TNamed(filename, filename); | |
181 | fFriends->Add(obj); | |
182 | } | |
c2b6979d | 183 | |
70908d05 | 184 | //______________________________________________________________________________ |
c2b6979d | 185 | Option_t *AliAODInputHandler::GetDataType() const |
186 | { | |
187 | // Returns handled data type. | |
188 | return gAODDataType; | |
189 | } | |
70908d05 | 190 | |
191 | //______________________________________________________________________________ | |
192 | TObject *AliAODInputHandler::GetStatistics(Option_t *option) const | |
193 | { | |
194 | // Get the statistics histogram(s) from the physics selection object. This | |
195 | // should be called during FinishTaskOutput(). Option can be empty (default | |
196 | // statistics histogram) or BIN0. | |
197 | TString opt(option); | |
198 | opt.ToUpper(); | |
199 | if (opt=="BIN0") return fHistStatistics[1]; | |
200 | return fHistStatistics[0]; | |
201 | } | |
25c90fa8 | 202 | |
203 | void AliAODInputHandler::ConnectFriends() | |
204 | { | |
205 | // Connect the friend trees | |
206 | if (!fMergeEvents) { | |
207 | TIter next(fFriends); | |
208 | TNamed* obj; | |
209 | TString aodTreeFName,aodFriendTreeFName; | |
210 | TTree *ttree = fTree->GetTree(); | |
211 | if (!ttree) ttree = fTree; | |
212 | aodTreeFName = ttree->GetCurrentFile()->GetName(); | |
213 | ||
214 | while((obj = (TNamed*)next())) { | |
215 | aodFriendTreeFName = aodTreeFName; | |
216 | aodFriendTreeFName.ReplaceAll("AliAOD.root",obj->GetName()); | |
217 | aodFriendTreeFName.ReplaceAll("AliAODs.root",obj->GetName()); | |
218 | ttree->AddFriend("aodTree", aodFriendTreeFName.Data()); | |
219 | } | |
220 | } else { | |
221 | // Friends have to be merged | |
222 | TNamed* filename = (TNamed*) (fFriends->At(0)); | |
223 | fFileToMerge = new TFile(filename->GetName()); | |
224 | if (fFileToMerge) { | |
225 | fFileToMerge->GetObject("aodTree", fTreeToMerge); | |
226 | if (!fAODEventToMerge) fAODEventToMerge = new AliAODEvent(); | |
227 | fAODEventToMerge->ReadFromTree(fTreeToMerge); | |
228 | } | |
229 | } | |
230 | fFriendsConnected = kTRUE; | |
231 | } | |
232 |