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 "AliAnalysisDataSlot.h"
  28 #include "AliESDEvent.h"
  29 #include "AliESD.h"
  30 #include "AliAODEvent.h"
  31 #include "AliAODHeader.h"
  32 #include "AliAODTracklets.h"
  33 #include "AliVEvent.h"
  34 #include "AliAODHandler.h"
  35 #include "AliAODInputHandler.h"
  36 #include "AliMCEventHandler.h"
  37 #include "AliInputEventHandler.h"
  38 #include "AliMCEvent.h"
  39 #include "AliStack.h"
  40 #include "AliLog.h"
  41
  42
  43 ClassImp(AliAnalysisTaskSE)
  44
  45 ////////////////////////////////////////////////////////////////////////
  46 AliAODHeader*    AliAnalysisTaskSE::fgAODHeader        = NULL;
  47 TClonesArray*    AliAnalysisTaskSE::fgAODTracks        = NULL;
  48 TClonesArray*    AliAnalysisTaskSE::fgAODVertices      = NULL;
  49 TClonesArray*    AliAnalysisTaskSE::fgAODV0s           = NULL;
  50 TClonesArray*    AliAnalysisTaskSE::fgAODPMDClusters   = NULL;
  51 TClonesArray*    AliAnalysisTaskSE::fgAODJets          = NULL;
  52 TClonesArray*    AliAnalysisTaskSE::fgAODFMDClusters   = NULL;
  53 TClonesArray*    AliAnalysisTaskSE::fgAODCaloClusters  = NULL;
  54 AliAODTracklets* AliAnalysisTaskSE::fgAODTracklets     = NULL;
  55
  56
  57 AliAnalysisTaskSE::AliAnalysisTaskSE():
  58     AliAnalysisTask(),
  59     fDebug(0),
  60     fEntry(0),
  61     fInputEvent(0x0),
  62     fInputHandler(0x0),
  63     fOutputAOD(0x0),
  64     fMCEvent(0x0),
  65     fTreeA(0x0)
  66 {
  67   // Default constructor
  68 }
  69
  70 AliAnalysisTaskSE::AliAnalysisTaskSE(const char* name):
  71     AliAnalysisTask(name, "AnalysisTaskSE"),
  72     fDebug(0),
  73     fEntry(0),
  74     fInputEvent(0x0),
  75     fInputHandler(0x0),
  76     fOutputAOD(0x0),
  77     fMCEvent(0x0),
  78     fTreeA(0x0)
  79 {
  80   // Default constructor
  81     DefineInput (0, TChain::Class());
  82     DefineOutput(0,  TTree::Class());
  83 }
  84
  85 AliAnalysisTaskSE::AliAnalysisTaskSE(const AliAnalysisTaskSE& obj):
  86     AliAnalysisTask(obj),
  87     fDebug(0),
  88     fEntry(0),
  89     fInputEvent(0x0),
  90     fInputHandler(0x0),
  91     fOutputAOD(0x0),
  92     fMCEvent(0x0),
  93     fTreeA(0x0)
  94 {
  95 // Copy constructor
  96     fDebug        = obj.fDebug;
  97     fEntry        = obj.fEntry;
  98     fInputEvent   = obj.fInputEvent;
  99     fInputHandler = obj.fInputHandler;
 100     fOutputAOD    = obj.fOutputAOD;
 101     fMCEvent      = obj.fMCEvent;
 102     fTreeA        = obj.fTreeA;
 103     printf("Constructor (3) \n");
 104 }
 105
 106
 107 AliAnalysisTaskSE& AliAnalysisTaskSE::operator=(const AliAnalysisTaskSE& other)
 108 {
 109 // Assignment
 110     AliAnalysisTask::operator=(other);
 111     fDebug        = other.fDebug;
 112     fEntry        = other.fEntry;
 113     fInputEvent   = other.fInputEvent;
 114     fInputHandler = other.fInputHandler;
 115     fOutputAOD    = other.fOutputAOD;
 116     fMCEvent      = other.fMCEvent;
 117     fTreeA        = other.fTreeA;
 118     return *this;
 119 }
 120
 121
 122 void AliAnalysisTaskSE::ConnectInputData(Option_t* /*option*/)
 123 {
 124 // Connect the input data
 125     if (fDebug > 1) printf("AnalysisTaskSE::ConnectInputData() \n");
 126 //
 127 //  ESD
 128 //
 129     fInputHandler = (AliInputEventHandler*)
 130          ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 131 //
 132 //  Monte Carlo
 133 //
 134     AliMCEventHandler*    mcH = 0;
 135     mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
 136     if (mcH) fMCEvent = mcH->MCEvent();
 137
 138
 139     if (fInputHandler) {
 140          fInputEvent = fInputHandler->GetEvent();
 141     } else if( fMCEvent ) {
 142          AliWarning("No Input Event Handler connected, only MC Truth Event Handler") ;
 143     } else {
 144          AliError("No Input Event Handler connected") ;
 145          return ;
 146     }
 147 }
 148
 149 void AliAnalysisTaskSE::CreateOutputObjects()
 150 {
 151 // Create the output container
 152 //
 153 //  Default AOD
 154     if (fDebug > 1) printf("AnalysisTaskSE::CreateOutPutData() \n");
 155
 156     AliAODHandler* handler = (AliAODHandler*)
 157          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 158
 159     // Check if AOD replication has been required
 160
 161     if (handler) {
 162         fOutputAOD   = handler->GetAOD();
 163         fTreeA = handler->GetTree();
 164         if (!(handler->IsStandard())) {
 165             if ((handler->NeedsHeaderReplication()) && !(fgAODHeader))
 166                 {
 167                  if (fDebug > 1) AliInfo("Replicating header");
 168                  fgAODHeader = new AliAODHeader;
 169                  handler->AddBranch("AliAODHeader", &fgAODHeader);
 170                 }
 171             if ((handler->NeedsTracksBranchReplication()) && !(fgAODTracks))
 172             {
 173                 if (fDebug > 1) AliInfo("Replicating track branch\n");
 174                 fgAODTracks = new TClonesArray("AliAODTrack",500);
 175                 fgAODTracks->SetName("tracks");
 176                 handler->AddBranch("TClonesArray", &fgAODTracks);
 177             }
 178             if ((handler->NeedsVerticesBranchReplication()) && !(fgAODVertices))
 179             {
 180                 if (fDebug > 1) AliInfo("Replicating vertices branch\n");
 181                 fgAODVertices = new TClonesArray("AliAODVertex",500);
 182                 fgAODVertices->SetName("vertices");
 183                 handler->AddBranch("TClonesArray", &fgAODVertices);
 184             }
 185             if ((handler->NeedsV0sBranchReplication()) && !(fgAODV0s))
 186             {
 187                 if (fDebug > 1) AliInfo("Replicating V0s branch\n");
 188                 fgAODV0s = new TClonesArray("AliAODv0",500);
 189                 fgAODV0s->SetName("v0s");
 190                 handler->AddBranch("TClonesArray", &fgAODV0s);
 191             }
 192             if ((handler->NeedsTrackletsBranchReplication()) && !(fgAODTracklets))
 193             {
 194                 if (fDebug > 1) AliInfo("Replicating Tracklets branch\n");
 195                 fgAODTracklets = new AliAODTracklets("tracklets","tracklets");
 196                 handler->AddBranch("AliAODTracklets", &fgAODTracklets);
 197             }
 198             if ((handler->NeedsPMDClustersBranchReplication()) && !(fgAODPMDClusters))
 199             {
 200                 if (fDebug > 1) AliInfo("Replicating PMDClusters branch\n");
 201                 fgAODPMDClusters = new TClonesArray("AliAODPmdCluster",500);
 202                 fgAODPMDClusters->SetName("pmdClusters");
 203                 handler->AddBranch("TClonesArray", &fgAODPMDClusters);
 204             }
 205             if ((handler->NeedsJetsBranchReplication()) && !(fgAODJets))
 206             {
 207                 if (fDebug > 1) AliInfo("Replicating Jets branch\n");
 208                 fgAODJets = new TClonesArray("AliAODJet",500);
 209                 fgAODJets->SetName("jets");
 210                 handler->AddBranch("TClonesArray", &fgAODJets);
 211             }
 212             if ((handler->NeedsFMDClustersBranchReplication()) && !(fgAODFMDClusters))
 213             {
 214                 AliInfo("Replicating FMDClusters branch\n");
 215                 fgAODFMDClusters = new TClonesArray("AliAODFmdCluster",500);
 216                 fgAODFMDClusters->SetName("fmdClusters");
 217                 handler->AddBranch("TClonesArray", &fgAODFMDClusters);
 218             }
 219             if ((handler->NeedsCaloClustersBranchReplication()) && !(fgAODCaloClusters))
 220             {
 221                 if (fDebug > 1) AliInfo("Replicating CaloClusters branch\n");
 222                 fgAODCaloClusters = new TClonesArray("AliAODCaloCluster",500);
 223                 fgAODCaloClusters->SetName("caloClusters");
 224                 handler->AddBranch("TClonesArray", &fgAODCaloClusters);
 225             }
 226         }
 227     } else {
 228         AliWarning("No AOD Event Handler connected.") ;
 229     }
 230     UserCreateOutputObjects();
 231 }
 232
 233 void AliAnalysisTaskSE::Exec(Option_t* option)
 234 {
 235 //
 236 // Exec analysis of one event
 237     if (fDebug > 1) AliInfo("AliAnalysisTaskSE::Exec() \n");
 238     if( fInputHandler )
 239        fEntry = fInputHandler->GetReadEntry();
 240     else if( fMCEvent )
 241        fEntry = fMCEvent->Header()->GetEvent();
 242     if ( !((Entry()-1)%100) && fDebug > 0)
 243          AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
 244
 245     AliAODHandler* handler = (AliAODHandler*)
 246         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 247     AliAODInputHandler* aodH = dynamic_cast<AliAODInputHandler*>(fInputHandler);
 248
 249     if (handler && aodH) {
 250         if (!(handler->IsStandard()) && !(handler->AODIsReplicated())) {
 251             if ((handler->NeedsHeaderReplication()) && (fgAODHeader))
 252             {
 253               // copy the contents by assigment
 254               *fgAODHeader =  *(dynamic_cast<AliAODHeader*>(InputEvent()->GetHeader()));
 255             }
 256             if ((handler->NeedsTracksBranchReplication()) && (fgAODTracks))
 257             {
 258                 TClonesArray* tracks = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetTracks();
 259                 new (fgAODTracks) TClonesArray(*tracks);
 260             }
 261             if ((handler->NeedsVerticesBranchReplication()) && (fgAODVertices))
 262             {
 263                 TClonesArray* vertices = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetVertices();
 264                 new (fgAODVertices) TClonesArray(*vertices);
 265             }
 266             if ((handler->NeedsV0sBranchReplication()) && (fgAODV0s))
 267             {
 268                 TClonesArray* V0s = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetV0s();
 269                 new (fgAODV0s) TClonesArray(*V0s);
 270             }
 271             if ((handler->NeedsTrackletsBranchReplication()) && (fgAODTracklets))
 272             {
 273               *fgAODTracklets = *(dynamic_cast<AliAODEvent*>(InputEvent()))->GetTracklets();
 274             }
 275             if ((handler->NeedsPMDClustersBranchReplication()) && (fgAODPMDClusters))
 276             {
 277                 TClonesArray* PMDClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetPmdClusters();
 278                 new (fgAODPMDClusters) TClonesArray(*PMDClusters);
 279             }
 280             if ((handler->NeedsJetsBranchReplication()) && (fgAODJets))
 281             {
 282                 TClonesArray* Jets = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetJets();
 283                 new (fgAODJets) TClonesArray(*Jets);
 284             }
 285             if ((handler->NeedsFMDClustersBranchReplication()) && (fgAODFMDClusters))
 286             {
 287                 TClonesArray* FMDClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetFmdClusters();
 288                 new (fgAODFMDClusters) TClonesArray(*FMDClusters);
 289             }
 290             if ((handler->NeedsCaloClustersBranchReplication()) && (fgAODCaloClusters))
 291             {
 292                 TClonesArray* CaloClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetCaloClusters();
 293                 new (fgAODCaloClusters) TClonesArray(*CaloClusters);
 294             }
 295             //
 296             handler->SetAODIsReplicated();
 297
 298         }
 299     }
 300
 301 // Call the user analysis
 302     UserExec(option);
 303     // Added protection in case the derived task is not an AOD producer.
 304     AliAnalysisDataSlot *out0 = GetOutputSlot(0);
 305     if (out0 && out0->IsConnected()) PostData(0, fTreeA);
 306 }
 307
 308 const char* AliAnalysisTaskSE::CurrentFileName()
 309 {
 310 // Returns the current file name
 311     if( fInputHandler )
 312       return fInputHandler->GetTree()->GetCurrentFile()->GetName();
 313     else if( fMCEvent )
 314       return ((AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()))->TreeK()->GetCurrentFile()->GetName();
 315     else return "";
 316 }
 317
 318 void AliAnalysisTaskSE::AddAODBranch(const char* cname, void* addobj)
 319 {
 320     // Add a new branch to the aod tree
 321     AliAODHandler* handler = (AliAODHandler*)
 322         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 323     if (handler) {
 324         handler->AddBranch(cname, addobj);
 325     }
 326 }