ANALYSIS/AliAnalysisTaskSE.cxx

   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
  18 #include <TROOT.h>
  19 #include <TSystem.h>
  20 #include <TInterpreter.h>
  21 #include <TChain.h>
  22 #include <TFile.h>
  23 #include <TList.h>
  24
  25 #include "AliAnalysisTaskSE.h"
  26 #include "AliAnalysisManager.h"
  27 #include "AliESDEvent.h"
  28 #include "AliESD.h"
  29 #include "AliAODEvent.h"
  30 #include "AliAODHeader.h"
  31 #include "AliAODTracklets.h"
  32 #include "AliVEvent.h"
  33 #include "AliAODHandler.h"
  34 #include "AliAODInputHandler.h"
  35 #include "AliMCEventHandler.h"
  36 #include "AliInputEventHandler.h"
  37 #include "AliMCEvent.h"
  38 #include "AliStack.h"
  39 #include "AliLog.h"
  40
  41
  42 ClassImp(AliAnalysisTaskSE)
  43
  44 ////////////////////////////////////////////////////////////////////////
  45 AliAODHeader*    AliAnalysisTaskSE::fgAODHeader        = NULL;
  46 TClonesArray*    AliAnalysisTaskSE::fgAODTracks        = NULL;
  47 TClonesArray*    AliAnalysisTaskSE::fgAODVertices      = NULL;
  48 TClonesArray*    AliAnalysisTaskSE::fgAODV0s           = NULL;
  49 TClonesArray*    AliAnalysisTaskSE::fgAODPMDClusters   = NULL;
  50 TClonesArray*    AliAnalysisTaskSE::fgAODJets          = NULL;
  51 TClonesArray*    AliAnalysisTaskSE::fgAODFMDClusters   = NULL;
  52 TClonesArray*    AliAnalysisTaskSE::fgAODCaloClusters  = NULL;
  53 AliAODTracklets* AliAnalysisTaskSE::fgAODTracklets     = NULL;
  54
  55
  56 AliAnalysisTaskSE::AliAnalysisTaskSE():
  57     AliAnalysisTask(),
  58     fDebug(0),
  59     fEntry(0),
  60     fInputEvent(0x0),
  61     fInputHandler(0x0),
  62     fOutputAOD(0x0),
  63     fMCEvent(0x0),
  64     fTreeA(0x0)
  65 {
  66   // Default constructor
  67 }
  68
  69 AliAnalysisTaskSE::AliAnalysisTaskSE(const char* name):
  70     AliAnalysisTask(name, "AnalysisTaskSE"),
  71     fDebug(0),
  72     fEntry(0),
  73     fInputEvent(0x0),
  74     fInputHandler(0x0),
  75     fOutputAOD(0x0),
  76     fMCEvent(0x0),
  77     fTreeA(0x0)
  78 {
  79   // Default constructor
  80     DefineInput (0, TChain::Class());
  81     DefineOutput(0,  TTree::Class());
  82 }
  83
  84 AliAnalysisTaskSE::AliAnalysisTaskSE(const AliAnalysisTaskSE& obj):
  85     AliAnalysisTask(obj),
  86     fDebug(0),
  87     fEntry(0),
  88     fInputEvent(0x0),
  89     fInputHandler(0x0),
  90     fOutputAOD(0x0),
  91     fMCEvent(0x0),
  92     fTreeA(0x0)
  93 {
  94 // Copy constructor
  95     fDebug        = obj.fDebug;
  96     fEntry        = obj.fEntry;
  97     fInputEvent   = obj.fInputEvent;
  98     fInputHandler = obj.fInputHandler;
  99     fOutputAOD    = obj.fOutputAOD;
 100     fMCEvent      = obj.fMCEvent;
 101     fTreeA        = obj.fTreeA;
 102     printf("Constructor (3) \n");
 103 }
 104
 105
 106 AliAnalysisTaskSE& AliAnalysisTaskSE::operator=(const AliAnalysisTaskSE& other)
 107 {
 108 // Assignment
 109     AliAnalysisTask::operator=(other);
 110     fDebug        = other.fDebug;
 111     fEntry        = other.fEntry;
 112     fInputEvent   = other.fInputEvent;
 113     fInputHandler = other.fInputHandler;
 114     fOutputAOD    = other.fOutputAOD;
 115     fMCEvent      = other.fMCEvent;
 116     fTreeA        = other.fTreeA;
 117     return *this;
 118 }
 119
 120
 121 void AliAnalysisTaskSE::ConnectInputData(Option_t* /*option*/)
 122 {
 123 // Connect the input data
 124     if (fDebug > 1) printf("AnalysisTaskSE::ConnectInputData() \n");
 125 //
 126 //  ESD
 127 //
 128     fInputHandler = (AliInputEventHandler*)
 129          ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 130 //
 131 //  Monte Carlo
 132 //
 133     AliMCEventHandler*    mcH = 0;
 134     mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
 135     if (mcH) fMCEvent = mcH->MCEvent();
 136
 137
 138     if (fInputHandler) {
 139          fInputEvent = fInputHandler->GetEvent();
 140     } else if( fMCEvent ) {
 141          AliWarning("No Input Event Handler connected, only MC Truth Event Handler") ;
 142     } else {
 143          AliError("No Input Event Handler connected") ;
 144          return ;
 145     }
 146 }
 147
 148 void AliAnalysisTaskSE::CreateOutputObjects()
 149 {
 150 // Create the output container
 151 //
 152 //  Default AOD
 153     if (fDebug > 1) printf("AnalysisTaskSE::CreateOutPutData() \n");
 154
 155     AliAODHandler* handler = (AliAODHandler*)
 156          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 157
 158     // Check if AOD replication has been required
 159
 160     if (handler) {
 161         fOutputAOD   = handler->GetAOD();
 162         fTreeA = handler->GetTree();
 163         if (!(handler->IsStandard())) {
 164             if ((handler->NeedsHeaderReplication()) && !(fgAODHeader))
 165                 {
 166                     if (fDebug > 1) AliInfo("Replicating header");
 167                     fgAODHeader = new AliAODHeader;
 168                     handler->AddBranch("AliAODHeader", &fgAODHeader);
 169                 }
 170             if ((handler->NeedsTracksBranchReplication()) && !(fgAODTracks))
 171             {
 172                 if (fDebug > 1) AliInfo("Replicating track branch\n");
 173                 fgAODTracks = new TClonesArray("AliAODTrack",500);
 174                 handler->AddBranch("TClonesArray", &fgAODTracks);
 175             }
 176             if ((handler->NeedsVerticesBranchReplication()) && !(fgAODVertices))
 177             {
 178                 if (fDebug > 1) AliInfo("Replicating vertices branch\n");
 179                 fgAODVertices = new TClonesArray("AliAODVertex",500);
 180                 handler->AddBranch("TClonesArray", &fgAODVertices);
 181             }
 182             if ((handler->NeedsV0sBranchReplication()) && !(fgAODV0s))
 183             {
 184                 if (fDebug > 1) AliInfo("Replicating V0s branch\n");
 185                 fgAODV0s = new TClonesArray("AliAODv0",500);
 186                 handler->AddBranch("TClonesArray", &fgAODV0s);
 187             }
 188             if ((handler->NeedsTrackletsBranchReplication()) && !(fgAODTracklets))
 189             {
 190                 if (fDebug > 1) AliInfo("Replicating Tracklets branch\n");
 191                 fgAODTracklets = new AliAODTracklets("AliAODTracklets","AliAODTracklets");
 192                 handler->AddBranch("AliAODTracklets", &fgAODTracklets);
 193             }
 194             if ((handler->NeedsPMDClustersBranchReplication()) && !(fgAODPMDClusters))
 195             {
 196                 if (fDebug > 1) AliInfo("Replicating PMDClusters branch\n");
 197                 fgAODPMDClusters = new TClonesArray("AliAODPmdCluster",500);
 198                 handler->AddBranch("TClonesArray", &fgAODPMDClusters);
 199             }
 200             if ((handler->NeedsJetsBranchReplication()) && !(fgAODJets))
 201             {
 202                 if (fDebug > 1) AliInfo("Replicating Jets branch\n");
 203                 fgAODJets = new TClonesArray("AliAODJet",500);
 204                 handler->AddBranch("TClonesArray", &fgAODJets);
 205             }
 206             if ((handler->NeedsFMDClustersBranchReplication()) && !(fgAODFMDClusters))
 207             {
 208                 AliInfo("Replicating FMDClusters branch\n");
 209                 fgAODFMDClusters = new TClonesArray("AliAODFmdCluster",500);
 210                 handler->AddBranch("TClonesArray", &fgAODFMDClusters);
 211             }
 212             if ((handler->NeedsCaloClustersBranchReplication()) && !(fgAODCaloClusters))
 213             {
 214                 if (fDebug > 1) AliInfo("Replicating CaloClusters branch\n");
 215                 fgAODCaloClusters = new TClonesArray("AliAODCaloCluster",500);
 216                 handler->AddBranch("TClonesArray", &fgAODCaloClusters);
 217             }
 218         }
 219     } else {
 220         AliWarning("No AOD Event Handler connected.") ;
 221     }
 222     UserCreateOutputObjects();
 223 }
 224
 225 void AliAnalysisTaskSE::Exec(Option_t* option)
 226 {
 227 //
 228 // Exec analysis of one event
 229     if (fDebug > 1) AliInfo("AliAnalysisTaskSE::Exec() \n");
 230     if( fInputHandler )
 231        fEntry = fInputHandler->GetReadEntry();
 232     else if( fMCEvent )
 233        fEntry = fMCEvent->Header()->GetEvent();
 234     if ( !((Entry()-1)%100) && fDebug > 0)
 235          AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
 236
 237     AliAODHandler* handler = (AliAODHandler*)
 238         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 239     AliAODInputHandler* aodH = dynamic_cast<AliAODInputHandler*>(fInputHandler);
 240
 241     if (handler && aodH) {
 242         if (!(handler->IsStandard()) && !(handler->AODIsReplicated())) {
 243             if ((handler->NeedsHeaderReplication()) && (fgAODHeader))
 244             {
 245                 fgAODHeader = dynamic_cast<AliAODHeader*>(InputEvent()->GetHeader());
 246             }
 247             if ((handler->NeedsTracksBranchReplication()) && (fgAODTracks))
 248             {
 249                 TClonesArray* tracks = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetTracks();
 250                 new (fgAODTracks) TClonesArray(*tracks);
 251             }
 252             if ((handler->NeedsVerticesBranchReplication()) && (fgAODVertices))
 253             {
 254                 TClonesArray* vertices = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetVertices();
 255                 new (fgAODVertices) TClonesArray(*vertices);
 256             }
 257             if ((handler->NeedsV0sBranchReplication()) && (fgAODV0s))
 258             {
 259                 TClonesArray* V0s = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetV0s();
 260                 new (fgAODV0s) TClonesArray(*V0s);
 261             }
 262             if ((handler->NeedsTrackletsBranchReplication()) && (fgAODTracklets))
 263             {
 264                     fgAODTracklets = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetTracklets();
 265             }
 266             if ((handler->NeedsPMDClustersBranchReplication()) && (fgAODPMDClusters))
 267             {
 268                 TClonesArray* PMDClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetPmdClusters();
 269                 new (fgAODPMDClusters) TClonesArray(*PMDClusters);
 270             }
 271             if ((handler->NeedsJetsBranchReplication()) && (fgAODJets))
 272             {
 273                 TClonesArray* Jets = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetJets();
 274                 new (fgAODJets) TClonesArray(*Jets);
 275             }
 276             if ((handler->NeedsFMDClustersBranchReplication()) && (fgAODFMDClusters))
 277             {
 278                 TClonesArray* FMDClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetFmdClusters();
 279                 new (fgAODFMDClusters) TClonesArray(*FMDClusters);
 280             }
 281             if ((handler->NeedsCaloClustersBranchReplication()) && (fgAODCaloClusters))
 282             {
 283                 TClonesArray* CaloClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetCaloClusters();
 284                 new (fgAODCaloClusters) TClonesArray(*CaloClusters);
 285             }
 286             //
 287             handler->SetAODIsReplicated();
 288
 289         }
 290     }
 291
 292 // Call the user analysis
 293     UserExec(option);
 294     PostData(0, fTreeA);
 295
 296 }
 297
 298 const char* AliAnalysisTaskSE::CurrentFileName()
 299 {
 300 // Returns the current file name
 301     if( fInputHandler )
 302       return fInputHandler->GetTree()->GetCurrentFile()->GetName();
 303     else if( fMCEvent )
 304       return ((AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()))->TreeK()->GetCurrentFile()->GetName();
 305     else return "";
 306 }
 307
 308 void AliAnalysisTaskSE::AddAODBranch(const char* cname, void* addobj)
 309 {
 310     // Add a new branch to the aod tree
 311     AliAODHandler* handler = (AliAODHandler*)
 312         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 313     if (handler) {
 314         handler->AddBranch(cname, addobj);
 315     }
 316 }