1 /**************************************************************************
2 * Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 //-------------------------------------------------------------------------
19 // Event handler for ESD input reading the RecPoint Trees in parallel
20 // Author: Andreas Morsch, CERN
21 //-------------------------------------------------------------------------
26 #include <TArchiveFile.h>
27 #include <TSystemDirectory.h>
29 #include <TObjString.h>
30 #include <TObjArray.h>
31 #include <TProcessID.h>
34 #include "AliESDInputHandlerRP.h"
35 #include "AliESDEvent.h"
39 ClassImp(AliESDInputHandlerRP)
41 //______________________________________________________________________________
42 AliESDInputHandlerRP::AliESDInputHandlerRP() :
44 fRTrees( new TObjArray()),
45 fRDirs ( new TObjArray()),
46 fRFiles( new TList()),
47 fDetectors(new TList()),
53 fPathName(new TString("./")),
56 // Default constructor
60 //______________________________________________________________________________
61 AliESDInputHandlerRP::AliESDInputHandlerRP(const char* name, const char* title):
62 AliESDInputHandler(name, title),
63 fRTrees( new TObjArray()),
64 fRDirs ( new TObjArray()),
65 fRFiles( new TList()),
66 fDetectors(new TList()),
72 fPathName(new TString("./")),
78 //______________________________________________________________________________
79 AliESDInputHandlerRP::~AliESDInputHandlerRP()
84 Bool_t AliESDInputHandlerRP::Init(Option_t* opt)
89 if (!(strcmp(opt, "proof")) || !(strcmp(opt, "local"))) return kTRUE;
91 TIter next(fDetectors);
94 while ((det = (TNamed*) next()))
97 file = TFile::Open(Form("%s%s.RecPoints.root", fPathName->Data(), det->GetName()));
99 file = TFile::Open(Form("%s#%s.RecPoints.root", fPathName->Data(), det->GetName()));
102 AliError(Form("AliESDInputHandlerRP: %s.RecPoints.root not found in %s ! \n", det->GetName(), fPathName->Data()));
109 fEventsPerFile = file->GetNkeys() - file->GetNProcessIDs();
111 AliError(Form("AliESDInputHandlerRP: No file with RecPoints found in %s ! \n", fPathName->Data()));
116 // Reset the event number
119 // Get number of events from esd tree
120 printf("AliESDInputHandlerRP::Init() %d %d\n",__LINE__, fNEvents);
124 Bool_t AliESDInputHandlerRP::BeginEvent(Long64_t entry)
126 // Begin the next event
130 entry = fEventNumber;
132 fEventNumber = entry;
135 if (entry >= fNEvents) {
136 AliWarning(Form("AliESDInputHandlerRP: Event number out of range %5lld %5d\n", entry, fNEvents));
142 // Delegate to base class
143 return AliESDInputHandler::BeginEvent(entry);
147 Bool_t AliESDInputHandlerRP::LoadEvent(Int_t iev)
149 // Load the event number iev
151 // Calculate the file number
152 if (fEventsPerFile<=0) return kFALSE;
153 Int_t inew = iev / fEventsPerFile;
154 if (inew != fFileNumber) {
156 if (!OpenFile(fFileNumber)){
162 sprintf(folder, "Event%d", iev);
168 while ((file = (TFile*) next()))
170 file->GetObject(folder, fDirR);
173 AliWarning(Form("AliESDInputHandlerRP: Event #%5d not found\n", iev));
177 fDirR->GetObject("TreeR", tree);
178 fRDirs ->AddAt(fDirR, idx );
179 fRTrees->AddAt(tree, idx++);
184 Bool_t AliESDInputHandlerRP::OpenFile(Int_t i)
189 fExtension = Form("%d", i);
195 TIter next(fDetectors);
198 while ((det = (TNamed*) next()))
201 file = TFile::Open(Form("%s%s.RecPoints%s.root", fPathName->Data(), det->GetName(), fExtension));
203 file = TFile::Open(Form("%s#%s.RecPoints%s.root", fPathName->Data(), det->GetName(), fExtension));
205 if (!file) AliFatal(Form("AliESDInputHandlerRP: RecPoints.root not found in %s ! \n", fPathName->Data()));
211 Bool_t AliESDInputHandlerRP::Notify(const char *path)
213 // Notify about directory change
214 // The directory is taken from the 'path' argument
216 AliInfo(Form("Directory change %s \n", path));
217 // Get path to directory
218 TString fileName(path);
220 if(fileName.Contains("#")){
221 // If this is an archive it will contain a #
223 } else if(fileName.Contains("AliESDs.root")){
224 fileName.ReplaceAll("AliESDs.root", "");
228 // At this point we have a path to the directory or to the archive anchor
229 *fPathName = fileName;
231 // Now filter the files containing RecPoints *.RecPoints.*
233 TSeqCollection* members;
238 TFile* file = TFile::Open(fPathName->Data());
239 TArchiveFile* arch = file->GetArchive();
240 members = arch->GetMembers();
241 fPathName->ReplaceAll("#AliESDs.root", "");
243 // Directory or alien archive
244 if (fileName.BeginsWith("alien:")) {
245 TFile* file = TFile::Open(Form("%s/root_archive.zip", fPathName->Data()));
246 TArchiveFile* arch = file->GetArchive();
247 members = arch->GetMembers();
249 TString wd = gSystem->WorkingDirectory();
250 TSystemDirectory dir(".", fPathName->Data());
251 members = dir.GetListOfFiles();
259 fDetectors->Delete();
261 while ( (entry = (TFile*) next()) )
263 TString name(entry->GetName());
264 TObjArray* tokens = name.Tokenize(".");
265 Int_t ntok = tokens->GetEntries();
266 if (ntok <= 1) continue;
267 TString str = ((TObjString*) tokens->At(1))->GetString();
268 if (!(strcmp(str.Data(), "RecPoints"))){
269 TString det = ((TObjString*) tokens->At(0))->GetString();
270 printf("Found file with RecPoints for %s \n", det.Data());
271 TNamed* ent = new TNamed(det.Data(), det.Data());
272 fRTrees->AddAt(0, ien);
273 ent->SetUniqueID(ien++);
274 fDetectors->Add(ent);
276 if(tokens) delete tokens;
280 // Now we have the path and the list of detectors
282 printf("AliESDInputHandlerRP::Notify() Path: %s\n", fPathName->Data());
287 if (members) members->Delete();
289 AliESDInputHandler::Notify(path);
294 Bool_t AliESDInputHandlerRP::FinishEvent()
296 // Clean-up after each event
298 AliESDInputHandler::FinishEvent();
302 void AliESDInputHandlerRP::ResetIO()
304 // Delete trees and files
305 fRFiles->Clear("nodelete");
309 TTree* AliESDInputHandlerRP::GetTreeR(const char* det)
311 // Return pointer to RecPoint tree for detector det
312 TNamed* entry = (TNamed*) (fDetectors->FindObject(det));
314 AliWarning(Form("AliESDInputHandlerRP: No RecPoints for detector %s available \n", det));
317 Int_t ien = entry->GetUniqueID();
318 return ((TTree*) (fRTrees->At(ien)));