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                 fgAODTracks->SetName("tracks");
 175                 handler->AddBranch("TClonesArray", &fgAODTracks);
 176             }
 177             if ((handler->NeedsVerticesBranchReplication()) && !(fgAODVertices))
 178             {
 179                 if (fDebug > 1) AliInfo("Replicating vertices branch\n");
 180                 fgAODVertices = new TClonesArray("AliAODVertex",500);
 181                 fgAODVertices->SetName("vertices");
 182                 handler->AddBranch("TClonesArray", &fgAODVertices);
 183             }
 184             if ((handler->NeedsV0sBranchReplication()) && !(fgAODV0s))
 185             {
 186                 if (fDebug > 1) AliInfo("Replicating V0s branch\n");
 187                 fgAODV0s = new TClonesArray("AliAODv0",500);
 188                 fgAODV0s->SetName("v0s");
 189                 handler->AddBranch("TClonesArray", &fgAODV0s);
 190             }
 191             if ((handler->NeedsTrackletsBranchReplication()) && !(fgAODTracklets))
 192             {
 193                 if (fDebug > 1) AliInfo("Replicating Tracklets branch\n");
 194                 fgAODTracklets = new AliAODTracklets("tracklets","tracklets");
 195                 handler->AddBranch("AliAODTracklets", &fgAODTracklets);
 196             }
 197             if ((handler->NeedsPMDClustersBranchReplication()) && !(fgAODPMDClusters))
 198             {
 199                 if (fDebug > 1) AliInfo("Replicating PMDClusters branch\n");
 200                 fgAODPMDClusters = new TClonesArray("AliAODPmdCluster",500);
 201                 fgAODPMDClusters->SetName("pmdClusters");
 202                 handler->AddBranch("TClonesArray", &fgAODPMDClusters);
 203             }
 204             if ((handler->NeedsJetsBranchReplication()) && !(fgAODJets))
 205             {
 206                 if (fDebug > 1) AliInfo("Replicating Jets branch\n");
 207                 fgAODJets = new TClonesArray("AliAODJet",500);
 208                 fgAODJets->SetName("jets");
 209                 handler->AddBranch("TClonesArray", &fgAODJets);
 210             }
 211             if ((handler->NeedsFMDClustersBranchReplication()) && !(fgAODFMDClusters))
 212             {
 213                 AliInfo("Replicating FMDClusters branch\n");
 214                 fgAODFMDClusters = new TClonesArray("AliAODFmdCluster",500);
 215                 fgAODFMDClusters->SetName("fmdClusters");
 216                 handler->AddBranch("TClonesArray", &fgAODFMDClusters);
 217             }
 218             if ((handler->NeedsCaloClustersBranchReplication()) && !(fgAODCaloClusters))
 219             {
 220                 if (fDebug > 1) AliInfo("Replicating CaloClusters branch\n");
 221                 fgAODCaloClusters = new TClonesArray("AliAODCaloCluster",500);
 222                 fgAODCaloClusters->SetName("caloClusters");
 223                 handler->AddBranch("TClonesArray", &fgAODCaloClusters);
 224             }
 225         }
 226     } else {
 227         AliWarning("No AOD Event Handler connected.") ;
 228     }
 229     UserCreateOutputObjects();
 230 }
 231
 232 void AliAnalysisTaskSE::Exec(Option_t* option)
 233 {
 234 //
 235 // Exec analysis of one event
 236     if (fDebug > 1) AliInfo("AliAnalysisTaskSE::Exec() \n");
 237     if( fInputHandler )
 238        fEntry = fInputHandler->GetReadEntry();
 239     else if( fMCEvent )
 240        fEntry = fMCEvent->Header()->GetEvent();
 241     if ( !((Entry()-1)%100) && fDebug > 0)
 242          AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
 243
 244     AliAODHandler* handler = (AliAODHandler*)
 245         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 246     AliAODInputHandler* aodH = dynamic_cast<AliAODInputHandler*>(fInputHandler);
 247
 248     if (handler && aodH) {
 249         if (!(handler->IsStandard()) && !(handler->AODIsReplicated())) {
 250             if ((handler->NeedsHeaderReplication()) && (fgAODHeader))
 251             {
 252               // copy the contents by assigment
 253               *fgAODHeader =  *(dynamic_cast<AliAODHeader*>(InputEvent()->GetHeader()));
 254             }
 255             if ((handler->NeedsTracksBranchReplication()) && (fgAODTracks))
 256             {
 257                 TClonesArray* tracks = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetTracks();
 258                 new (fgAODTracks) TClonesArray(*tracks);
 259             }
 260             if ((handler->NeedsVerticesBranchReplication()) && (fgAODVertices))
 261             {
 262                 TClonesArray* vertices = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetVertices();
 263                 new (fgAODVertices) TClonesArray(*vertices);
 264             }
 265             if ((handler->NeedsV0sBranchReplication()) && (fgAODV0s))
 266             {
 267                 TClonesArray* V0s = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetV0s();
 268                 new (fgAODV0s) TClonesArray(*V0s);
 269             }
 270             if ((handler->NeedsTrackletsBranchReplication()) && (fgAODTracklets))
 271             {
 272               *fgAODTracklets = *(dynamic_cast<AliAODEvent*>(InputEvent()))->GetTracklets();
 273             }
 274             if ((handler->NeedsPMDClustersBranchReplication()) && (fgAODPMDClusters))
 275             {
 276                 TClonesArray* PMDClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetPmdClusters();
 277                 new (fgAODPMDClusters) TClonesArray(*PMDClusters);
 278             }
 279             if ((handler->NeedsJetsBranchReplication()) && (fgAODJets))
 280             {
 281                 TClonesArray* Jets = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetJets();
 282                 new (fgAODJets) TClonesArray(*Jets);
 283             }
 284             if ((handler->NeedsFMDClustersBranchReplication()) && (fgAODFMDClusters))
 285             {
 286                 TClonesArray* FMDClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetFmdClusters();
 287                 new (fgAODFMDClusters) TClonesArray(*FMDClusters);
 288             }
 289             if ((handler->NeedsCaloClustersBranchReplication()) && (fgAODCaloClusters))
 290             {
 291                 TClonesArray* CaloClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetCaloClusters();
 292                 new (fgAODCaloClusters) TClonesArray(*CaloClusters);
 293             }
 294             //
 295             handler->SetAODIsReplicated();
 296
 297         }
 298     }
 299
 300 // Call the user analysis
 301     UserExec(option);
 302     PostData(0, fTreeA);
 303
 304 }
 305
 306 const char* AliAnalysisTaskSE::CurrentFileName()
 307 {
 308 // Returns the current file name
 309     if( fInputHandler )
 310       return fInputHandler->GetTree()->GetCurrentFile()->GetName();
 311     else if( fMCEvent )
 312       return ((AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()))->TreeK()->GetCurrentFile()->GetName();
 313     else return "";
 314 }
 315
 316 void AliAnalysisTaskSE::AddAODBranch(const char* cname, void* addobj)
 317 {
 318     // Add a new branch to the aod tree
 319     AliAODHandler* handler = (AliAODHandler*)
 320         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 321     if (handler) {
 322         handler->AddBranch(cname, addobj);
 323     }
 324 }