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c7e89ea3 | 1 | /************************************************************************** |
2 | * Author: Panos Christakoglou. * | |
3 | * Contributors are mentioned in the code where appropriate. * | |
4 | * * | |
5 | * Permission to use, copy, modify and distribute this software and its * | |
6 | * documentation strictly for non-commercial purposes is hereby granted * | |
7 | * without fee, provided that the above copyright notice appears in all * | |
8 | * copies and that both the copyright notice and this permission notice * | |
9 | * appear in the supporting documentation. The authors make no claims * | |
10 | * about the suitability of this software for any purpose. It is * | |
11 | * provided "as is" without express or implied warranty. * | |
12 | **************************************************************************/ | |
13 | ||
14 | /* $Id$ */ | |
15 | ||
16 | //----------------------------------------------------------------- | |
17 | // AliTagAnalysis class | |
18 | // This is the class to deal with the tag analysis | |
19 | // Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch | |
20 | //----------------------------------------------------------------- | |
21 | ||
22 | //ROOT | |
23 | #include <TSystem.h> | |
24 | #include <TChain.h> | |
25 | #include <TFile.h> | |
26 | #include <TEventList.h> | |
27 | ||
28 | //ROOT-AliEn | |
29 | #include <TGridResult.h> | |
30 | ||
31 | #include "AliLog.h" | |
32 | ||
33 | #include "AliRunTag.h" | |
34 | #include "AliEventTag.h" | |
35 | #include "AliTagAnalysis.h" | |
36 | #include "AliEventTagCuts.h" | |
b6003316 | 37 | #include "AliXMLCollection.h" |
c7e89ea3 | 38 | |
39 | class TTree; | |
40 | ||
41 | ClassImp(AliTagAnalysis) | |
42 | ||
43 | TChain *AliTagAnalysis::fgChain = 0; | |
44 | ||
54ac820d | 45 | //___________________________________________________________________________ |
46 | AliTagAnalysis::AliTagAnalysis(): | |
47 | TObject(), | |
fe12e09c | 48 | ftagresult(0x0), |
49 | fTagDirName(), | |
50 | fChain(0x0) | |
c7e89ea3 | 51 | { |
54ac820d | 52 | //Default constructor for a AliTagAnalysis |
c7e89ea3 | 53 | } |
54 | ||
54ac820d | 55 | //___________________________________________________________________________ |
56 | AliTagAnalysis::~AliTagAnalysis() { | |
57 | //Default destructor for a AliTagAnalysis | |
c7e89ea3 | 58 | } |
59 | ||
54ac820d | 60 | //___________________________________________________________________________ |
61 | void AliTagAnalysis::ChainLocalTags(const char *dirname) { | |
c7e89ea3 | 62 | //Searches the entries of the provided direcory |
63 | //Chains the tags that are stored locally | |
64 | fTagDirName = dirname; | |
65 | TString fTagFilename; | |
66 | ||
67 | TChain *fgChain = new TChain("T"); | |
68 | fChain = fgChain; | |
69 | ||
f2313c5b | 70 | const char * tagPattern = "tag.root"; |
c7e89ea3 | 71 | // Open the working directory |
72 | void * dirp = gSystem->OpenDirectory(fTagDirName); | |
73 | const char * name = 0x0; | |
74 | // Add all files matching *pattern* to the chain | |
54ac820d | 75 | while((name = gSystem->GetDirEntry(dirp))) { |
76 | if (strstr(name,tagPattern)) { | |
77 | fTagFilename = fTagDirName; | |
78 | fTagFilename += "/"; | |
79 | fTagFilename += name; | |
c7e89ea3 | 80 | |
54ac820d | 81 | TFile * fTag = TFile::Open(fTagFilename); |
82 | if((!fTag) || (!fTag->IsOpen())) { | |
83 | AliError(Form("Tag file not opened!!!")); | |
84 | continue; | |
85 | } | |
86 | fChain->Add(fTagFilename); | |
87 | fTag->Close(); | |
88 | delete fTag; | |
89 | }//pattern check | |
90 | }//directory loop | |
c7e89ea3 | 91 | AliInfo(Form("Chained tag files: %d ",fChain->GetEntries())); |
92 | } | |
93 | ||
94 | ||
54ac820d | 95 | //___________________________________________________________________________ |
96 | void AliTagAnalysis::ChainGridTags(TGridResult *res) { | |
c7e89ea3 | 97 | //Loops overs the entries of the TGridResult |
98 | //Chains the tags that are stored in the GRID | |
99 | ftagresult = res; | |
100 | Int_t nEntries = ftagresult->GetEntries(); | |
101 | ||
102 | TChain *fgChain = new TChain("T"); | |
103 | fChain = fgChain; | |
104 | ||
105 | TString gridname = "alien://"; | |
106 | TString alienUrl; | |
107 | ||
54ac820d | 108 | for(Int_t i = 0; i < nEntries; i++) { |
109 | alienUrl = ftagresult->GetKey(i,"turl"); | |
110 | TFile *f = TFile::Open(alienUrl,"READ"); | |
111 | fChain->Add(alienUrl); | |
112 | delete f; | |
113 | }//grid result loop | |
c7e89ea3 | 114 | } |
115 | ||
116 | ||
54ac820d | 117 | //___________________________________________________________________________ |
118 | TChain *AliTagAnalysis::QueryTags(AliEventTagCuts *EvTagCuts) { | |
c7e89ea3 | 119 | //Queries the tag chain using the defined |
120 | //event tag cuts from the AliEventTagCuts object | |
b6003316 | 121 | //and returns a TChain along with the associated TEventList |
c7e89ea3 | 122 | AliInfo(Form("Querying the tags........")); |
123 | ||
df16faa3 | 124 | //ESD file chain |
125 | TChain *fESDchain = new TChain("esdTree"); | |
126 | //Event list | |
127 | TEventList *fEventList = new TEventList(); | |
c7e89ea3 | 128 | |
129 | //Defining tag objects | |
130 | AliRunTag *tag = new AliRunTag; | |
131 | AliEventTag *evTag = new AliEventTag; | |
132 | fChain->SetBranchAddress("AliTAG",&tag); | |
133 | ||
d021d0d7 | 134 | TString guid = 0; |
135 | TString turl = 0; | |
136 | TString path = 0; | |
c7e89ea3 | 137 | |
df16faa3 | 138 | Int_t iAccepted = 0; |
139 | for(Int_t iTagFiles = 0; iTagFiles < fChain->GetEntries(); iTagFiles++) { | |
54ac820d | 140 | fChain->GetEntry(iTagFiles); |
141 | Int_t iEvents = tag->GetNEvents(); | |
142 | const TClonesArray *tagList = tag->GetEventTags(); | |
143 | for(Int_t i = 0; i < iEvents; i++) { | |
144 | evTag = (AliEventTag *) tagList->At(i); | |
54ac820d | 145 | guid = evTag->GetGUID(); |
146 | turl = evTag->GetTURL(); | |
147 | path = evTag->GetPath(); | |
148 | if(EvTagCuts->IsAccepted(evTag)) fEventList->Enter(iAccepted+i); | |
149 | }//event loop | |
150 | iAccepted += iEvents; | |
d021d0d7 | 151 | |
152 | if(path != "") fESDchain->AddFile(path); | |
153 | else if(turl != "") fESDchain->AddFile(turl); | |
54ac820d | 154 | }//tag file loop |
df16faa3 | 155 | AliInfo(Form("Accepted events: %d",fEventList->GetN())); |
156 | fESDchain->SetEventList(fEventList); | |
c7e89ea3 | 157 | |
df16faa3 | 158 | return fESDchain; |
c7e89ea3 | 159 | } |
160 | ||
b6003316 | 161 | //___________________________________________________________________________ |
162 | Bool_t AliTagAnalysis::CreateXMLCollection(const char* name, AliEventTagCuts *EvTagCuts) { | |
163 | //Queries the tag chain using the defined | |
164 | //event tag cuts from the AliEventTagCuts object | |
165 | //and returns a XML collection | |
166 | AliInfo(Form("Creating the collection........")); | |
167 | ||
168 | AliXMLCollection *collection = new AliXMLCollection(); | |
169 | collection->SetCollectionName(name); | |
170 | collection->WriteHeader(); | |
171 | ||
172 | //Event list | |
173 | TEventList *fEventList = new TEventList(); | |
174 | TString guid = 0x0; | |
175 | ||
176 | //Defining tag objects | |
177 | AliRunTag *tag = new AliRunTag; | |
178 | AliEventTag *evTag = new AliEventTag; | |
179 | fChain->SetBranchAddress("AliTAG",&tag); | |
180 | ||
181 | for(Int_t iTagFiles = 0; iTagFiles < fChain->GetEntries(); iTagFiles++) { | |
182 | fChain->GetEntry(iTagFiles); | |
183 | Int_t iEvents = tag->GetNEvents(); | |
184 | const TClonesArray *tagList = tag->GetEventTags(); | |
185 | for(Int_t i = 0; i < iEvents; i++) { | |
186 | evTag = (AliEventTag *) tagList->At(i); | |
187 | guid = evTag->GetGUID(); | |
188 | if(EvTagCuts->IsAccepted(evTag)) fEventList->Enter(i); | |
189 | }//event loop | |
190 | collection->WriteBody(iTagFiles+1,guid,fEventList); | |
191 | fEventList->Clear(); | |
192 | }//tag file loop | |
193 | collection->Export(); | |
194 | ||
195 | return kTRUE; | |
196 | } | |
c7e89ea3 | 197 |