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