C++ TChain::Lookup方法代码示例

void run(const Char_t *files=NULL, Bool_t mc=kFALSE, Bool_t tpid=kTRUE,  Bool_t tchg=kFALSE,  Bool_t tpp=kTRUE, Long64_t nev=1234567890, Long64_t first = 0)
{
  TStopwatch timer;
  timer.Start();

  // VERY GENERAL SETTINGS
  //AliLog::SetGlobalLogLevel(AliLog::kError);
  if(gSystem->Load("libANALYSIS.so")<0) return;
  if(gSystem->Load("libANALYSISalice.so")<0) return;
  if(gSystem->Load("libTender.so")<0) return;
  if(gSystem->Load("libTenderSupplies.so")<0) return;
//   if(gSystem->Load("libMES.so")<0) return;
    if(gSystem->Load("libPWGLFspectra.so")<0) return;

  // DEFINE DATA CHAIN
  TChain *chain = NULL;
  if(!files) chain = MakeChainLST();
  else chain = MakeChainLST(files);

  if(!chain) return;
  chain->Lookup();
  chain->GetListOfFiles()->Print();
  Long64_t nfound=chain->GetEntries();
  printf("\tENTRIES FOUND [%lli] REQUESTED [%lli]\n", nfound, nev>nfound?nfound:nev);

  // BUILD ANALYSIS MANAGER
  AliAnalysisManager *mgr = new AliAnalysisManager("Multiplicity and Event Shape");
  AliESDInputHandler *esdH = new AliESDInputHandler();
  AliMCEventHandler *mcH(NULL);
  mgr->SetInputEventHandler(esdH);
  if(mc) mgr->SetMCtruthEventHandler(mcH = new AliMCEventHandler());
  //mgr->SetDebugLevel(10);
  mgr->SetSkipTerminate(kTRUE);

  // LOAD tasks
  // *******************  PID response  ******************
  gROOT->LoadMacro("$ALICE_ROOT/ANALYSIS/macros/AddTaskPIDResponse.C");
  if(!mc) AddTaskPIDResponse();
  else AddTaskPIDResponse(kTRUE,kTRUE,kTRUE,2);

  // *******************  Tenders  ***********************
  AliTender *aliTender(NULL);
  gROOT->LoadMacro("$ALICE_PHYSICS/TENDER/TenderSupplies/AddTaskTender.C");
  if(!mc){    // for DATA
    aliTender = (AliTender*)AddTaskTender(!mc, kTRUE, kTRUE, kTRUE, kTRUE, kFALSE, kTRUE, kFALSE, kFALSE);
       // (useV0, useTPC,  !!! useTOF=kFALSE for MC !!!, useTRD, usePID, useVTX, useT0, useEmc, usePtFix)
  } else {  // for MC
    aliTender = (AliTender*)AddTaskTender(!mc, kTRUE, kFALSE, kTRUE, kTRUE, kTRUE, kTRUE, kFALSE, kFALSE);  // (useV0, useTPC,  !!! useTOF=kFALSE for MC !!!, useTRD, usePID, useVTX, useT0, useEmc, usePtFix)
  }
  aliTender->SetHandleOCDB(kTRUE);
  //aliTender->SetDefaultCDBStorage(Form("alien://folder=/alice/data/2010/OCDB?cacheFolder=%s/local", gSystem->ExpandPathName("$HOME")));
  // aliTender->SetDefaultCDBStorage(Form("local://%s/local/alice/data/2010/OCDB", gSystem->ExpandPathName("$HOME")));

// *******************  Physics Selection  *************
  gROOT->LoadMacro("$ALICE_PHYSICS/OADB/macros/AddTaskPhysicsSelection.C");
  AliPhysicsSelectionTask *physSelTask = AddTaskPhysicsSelection(mc); // 0 = real data; 1 = MC

  // *******************  MES Tender  ******************
  gROOT->LoadMacro("$ALICE_PHYSICS/PWGLF/SPECTRA/MultEvShape/AddMEStender.C");
  AddMEStender(mc);

  // *******************  MES PID task  ******************
  if(tpid){
    gROOT->LoadMacro("$ALICE_PHYSICS/PWGLF/SPECTRA/MultEvShape/AddMESpidTask.C");
	AddMESpidTask(mc);
  }
//

//   // *******************  MES CHG task  ******************
  if(tchg){
    gROOT->LoadMacro("$ALICE_PHYSICS/PWGLF/SPECTRA/MultEvShape/AddMESchgTask.C");
    AddMESchgTask(mc);
  }
//
//   // *******************  MES ppCol task  ******************
  if(tpp){
    gROOT->LoadMacro("$ALICE_PHYSICS/PWGLF/SPECTRA/MultEvShape/AddMESppColTask.C");
    AddMESppColTask(mc);
  }


  if (!mgr->InitAnalysis()) return;
  mgr->PrintStatus();
  mgr->StartAnalysis("local", chain, nev, first);
  timer.Stop();
  timer.Print();
  // verbosity
  printf("\tCLEANING TASK LIST:\n");
  mgr->GetTasks()->Delete();

  if(mcH) delete mcH;
  delete esdH;
  delete chain;
}

//_____________________________________________________________________________
void RunPerformanceTrain(Char_t *file="esd.root", Int_t runNumber = 2, const char* triggerClass ="CINT1B-ABCE-NOPF-ALL", Bool_t bUseMCInfo=kFALSE, Bool_t bUseESDfriend=kTRUE, Bool_t bGrid=kFALSE)
{
  //
  // Grid settings
  // use GSI::SE
  if(bGrid) {
    gSystem->Setenv("alien_CLOSE_SE","ALICE::GSI::SE");
    TGrid * alien = TGrid::Connect("alien://",0,0,"t");
    gSystem->Setenv("alien_CLOSE_SE","ALICE::GSI::SE");
  }

  //
  // Train Configuration
  //
  Int_t       iPWGPPperfTPC       = 1;      // Test TPC performance
  Int_t       iPWGPPperfTRD       = 0;      // Test TRD performance
  Int_t       iPWGPPperfITS       = 0;      // Test ITS performance
  Int_t       iPWGPPperfCalo      = 0;      // Test Calo performance
  Int_t       iPWGPPperfMuonTrig  = 0;      // Test Muon Trigger performance
  Int_t       iPWGPPperfMuonEff   = 0;      // Test Muon Efficiency performance
  Int_t       iPWGPPperfTOF       = 0;      // Test TOF-TPC matching performance
  Int_t       iPWGPPperfPrimVertex = 0;     // Test Primary Vertex performance
  Int_t       iPWGPPv0QA          = 0;      // V0 algorithm QA task

  //
  // Load Libraries
  //
  gSystem->Load("libANALYSIS");
  gSystem->Load("libANALYSISalice");
  gSystem->Load("libTender");
  gSystem->Load("libCORRFW");

  gSystem->Load("libTPCcalib");
  gSystem->Load("libPWGPP");

  gSystem->Load("libPHOSUtils");
  gSystem->Load("libEMCALUtils");
  gSystem->Load("libPWG4PartCorrBase");
  gSystem->Load("libPWG4PartCorrDep");

  gSystem->Load("libPWGmuon"); // The class is here

  //
  // OCDB Configuration 
  //
  AliCDBManager *cdbManager = AliCDBManager::Instance();
  cdbManager->SetDefaultStorage("local:///lustre/alice/alien/alice/data/2009/OCDB");
  //cdbManager->SetDefaultStorage("local://$ALICE_PHYSICS/OCDB");
  //cdbManager->SetSpecificStorage("GRP/GRP/Data", Form("local://%s",gSystem->pwd()));
  cdbManager->SetRun(runNumber);
  //cdbManager->SetCacheFlag(kFALSE);
  // initialize magnetic field from the GRP manager.
  //if(magField==0) TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", 0., 0., AliMagF::k2kG));
  //if(magField==1) TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k2kG));
  //if(magField==2) TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG));

  /*
  AliGRPManager grpMan;
  grpMan.ReadGRPEntry();
  grpMan.SetMagField();
  AliRunInfo *runInfo = grpMan.GetRunInfo();
 
  //
  // Load geometry
  //
  */
  AliGeomManager::LoadGeometry();

  //
  // Swtich off all AliInfo (too much output!)
  //
  AliLog::SetGlobalLogLevel(AliLog::kError);

  //
  // Create input ESD chain
  //
  /*
  gROOT->LoadMacro("$ALICE_PHYSICS/PWG0/CreateESDChain.C");
  TChain* chain = CreateESDChain(list,nFiles,fistFile);
  if(!chain) { 
    Error("RunPerformanceTrain","ESD chain not created!");
    return;
  }
  */
  TChain  *chain = new TChain("esdTree");
  if(!chain) { 
    Error("RunPerformanceTrain","ESD chain not created!");
    return;
  }
  chain->Add(file);
  chain->Lookup();

  //
  // Create analysis manager
  //
  AliAnalysisManager *mgr = new AliAnalysisManager;
  if(!mgr) { 
    Error("RunPerformanceTrain","AliAnalysisManager not set!");
    return;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
      sprintf(gridmode, "test");


    gROOT->LoadMacro("CreateAlienHandler.C");
    //    AliAnalysisGrid *alienHandler = CreateAlienHandler(nFilesMax, analysisMC, runtype, taskname, gridmode);  
    AliAnalysisGrid *alienHandler = CreateAlienHandler(nFilesMax, analysisMC, esdAna, taskname, nameouputfiles, gridmode, textFileName, alirootver, task);  
    if (!alienHandler) return; 

    // DOES NOT WORK BECAUSE THERE ARE NO GETTERS?
    // // Here we can add extra files to the plugin
    // switch(task){
    // case 1: // ch fluct
    //   break;
    // case 2: // high pt dedx
    //   alienHandler->SetAnalysisSource(Form("DebugClasses.C %s", alienHandler->GetAnalysisSource()));
    //   alienHandler->SetAdditionalLibs(Form("DebugClasses.C %s", alienHandler->GetAdditionalLibs()));
    //   break;
    // case 3: // high pt v0s
    //   alienHandler->SetAnalysisSource(Form("DebugClasses.C %s", alienHandler->GetAnalysisSource()));
    //   alienHandler->SetAdditionalLibs(Form("DebugClasses.C %s", alienHandler->GetAdditionalLibs()));
    //   break;
    // default:
    //   printf("Unknown task\n");
    //   return;
    // }

    // Connect plugin to the analysis manager
    mgr->SetGridHandler(alienHandler); 
    break;
  case 0: // LOCAL
    // Process data - chain
    AliXRDPROOFtoolkit tool;
    TChain* chain = tool.MakeChain(textFileName,treeName, 0, 100);
    chain->Lookup();
    break;
  default:
    printf("Unknown mode");
    return;
  }
  
  // ESD input handler
  if(esdAna) {

    AliESDInputHandler *esdHandler = new AliESDInputHandler();
    mgr->SetInputEventHandler(esdHandler);
  } else {

    AliAODInputHandler* aodHandler = new AliAODInputHandler();
    mgr->SetInputEventHandler(aodHandler);
  }

  // Monte Carlo handler
  if (analysisMC) {
    AliMCEventHandler* mcHandler = new AliMCEventHandler();
    if(esdAna)
      mgr->SetMCtruthEventHandler(mcHandler);
    mcHandler->SetReadTR(readTR); 
  }

  // Debug if needed
  if (debug) 
    mgr->SetDebugLevel(3);


  // ######### Centrality task ###############  

void AliAnalysisTaskFilteredTest(const char *esdList,
                                 Int_t run = 0,
                                 Float_t scalingTracks = 1,
                                 Float_t scalingV0 = 1,
                                 Float_t scalingFriend = 1,
                                 const char *ocdb = "cvmfs://",
                                 Int_t nFiles = 100000,
                                 Int_t firstFile = 0,
                                 Int_t nEvents = 1000000000,
                                 Int_t firstEvent = 0,
                                 Bool_t mc = kFALSE)
{
    TStopwatch timer;
    timer.Start();
 
    printf("\n\n\n");
    printf("scalingTracks=%d\n",scalingTracks);
    printf("scalingV0=%d\n",scalingV0);
    printf("nFiles=%d\n",nFiles);

    gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include -I$ALICE_ROOT/ITS -I$ALICE_ROOT -I$ALICE_ROOT/TRD");

    //____________________________________________//
    // Make the analysis manager
    AliAnalysisManager *mgr = new AliAnalysisManager("TestManager");
    mgr->SetDebugLevel(0);

    AliESDInputHandler* esdH = new AliESDInputHandler();
    //esdH->SetReadFriends(1);
    esdH->SetReadFriends(1);
    mgr->SetInputEventHandler(esdH);  

    // Enable MC event handler
    AliMCEventHandler* handlerMC = new AliMCEventHandler;
    //handler->SetReadTR(kFALSE);
    if (mc) mgr->SetMCtruthEventHandler(handlerMC);

    gROOT->LoadMacro("$ALICE_PHYSICS/PWGPP/PilotTrain/AddTaskCDBconnect.C");
    AddTaskCDBconnect(ocdb,run);

    if (gSystem->AccessPathName("localOCDBaccessConfig.C", kFileExists)==0) {
      gROOT->LoadMacro("localOCDBaccessConfig.C");
      localOCDBaccessConfig();
    }
    // Create input chain
    TChain* chain = AliXRDPROOFtoolkit::MakeChain(esdList, "esdTree",0,nFiles,firstFile);

    if(!chain) {
        printf("ERROR: chain cannot be created\n");
        return;
    }
    chain->Lookup();
  

    gROOT->LoadMacro("$ALICE_ROOT/ANALYSIS/macros/AddTaskPIDResponse.C");
    Bool_t isMC=kFALSE; // kTRUE in case of MC
    AddTaskPIDResponse(isMC); 

    //
    // Wagons to run 
    //
    gROOT->LoadMacro("$ALICE_PHYSICS/PWGPP/macros/AddTaskFilteredTree.C");
    AliAnalysisTaskFilteredTree* task = (AliAnalysisTaskFilteredTree*)AddTaskFilteredTree("Filtered.root");
    task->SetLowPtTrackDownscaligF(scalingTracks);
    task->SetLowPtV0DownscaligF(scalingV0);
    task->SetFriendDownscaling(scalingFriend);
    task->SetUseESDfriends(kTRUE);
    task->Dump();
    // Init
    if (!mgr->InitAnalysis()) 
        mgr->PrintStatus();
    //
    // Run on dataset
    mgr->StartAnalysis("local",chain,nEvents, firstEvent);
    timer.Stop();
    timer.Print();
    delete mgr;
    CheckOutput();
}