AliAnalysisTaskJetSpectrum2 *AddTaskJetSpectrum2(const char* bRec = "jets",const char* bGen = "jetsAODMC_UA104",const char* bBkg="",UInt_t filterMask = 32, Int_t iPhysicsSelectionFlag = AliVEvent::kMB,UInt_t iEventSelectionMask = 0,Bool_t kBackground=kTRUE,Int_t iFillCorrBkg = 0,Int_t iCl = 0);


AliAnalysisTaskJetSpectrum2 *AddTaskJetSpectrum2Delta(UInt_t filterMask = 32,Bool_t kUseAODMC = kFALSE,Int_t iPhysicsSelectionFlag = AliVEvent::kMB,UInt_t iFlag = 0xfffffff, UInt_t iEventSelectionMask = 0,Bool_t kBackground = kTRUE,char* back = ""){

  TString cBack = back;

  AliAnalysisTaskJetSpectrum2 *js = 0;
  if(kUseAODMC){
    if(iFlag&(1<<0)){ // UA104
      js = AddTaskJetSpectrum2("jets","jetsAODMC_UA104",cBack.Data(),filterMask,iPhysicsSelectionFlag, iEventSelectionMask,kBackground);
      js = AddTaskJetSpectrum2("jets","jetsAODMC2_UA104",cBack.Data(),filterMask,iPhysicsSelectionFlag, iEventSelectionMask,kBackground);
    }
    if(iFlag&(1<<1)){ // ANTIKT 04
      js = AddTaskJetSpectrum2("jetsAOD_FASTJET04","jetsAODMC_FASTJET04",cBack.Data(),filterMask,iPhysicsSelectionFlag, iEventSelectionMask,kBackground);
      js = AddTaskJetSpectrum2("jetsAOD_FASTJET04","jetsAODMC2_FASTJET04",cBack.Data(),filterMask,iPhysicsSelectionFlag,  iEventSelectionMask,kBackground);
      // cross check MC only background subtration
      js = AddTaskJetSpectrum2("jetsAODMC2_FASTJET04","jetsAODMC_FASTJET04",cBack.Data(),filterMask,iPhysicsSelectionFlag,  iEventSelectionMask,kBackground);
    }
    if(iFlag&(1<<2)){ // KT 04
      js = AddTaskJetSpectrum2("jetsAOD_FASTKT04","jetsAODMC_FASTKT04",cBack.Data(),filterMask,iPhysicsSelectionFlag,iEventSelectionMask,kBackground);
      js = AddTaskJetSpectrum2("jetsAOD_FASTKT04","jetsAODMC2_FASTKT04",cBack.Data(),filterMask,iPhysicsSelectionFlag, iEventSelectionMask,kBackground);
    }
    if(iFlag&(1<<3)){ // SISCONE 04
      js = AddTaskJetSpectrum2("jetsAOD_SISCONE04","jetsAODMC_SISCONE04",cBack.Data(),filterMask,iPhysicsSelectionFlag, iEventSelectionMask,kBackground);
      js = AddTaskJetSpectrum2("jetsAOD_SISCONE04","jetsAODMC2_SISCONE04",cBack.Data(),filterMask,iPhysicsSelectionFlag, iEventSelectionMask,kBackground);
    }
    // here can go other radii
  }
  else { // only the data ... no MC
    if(iFlag&(1<<0)){ // UA104
      js = AddTaskJetSpectrum2("jets","",cBack.Data(),filterMask,iPhysicsSelectionFlag, iEventSelectionMask,kBackground,1);
    }
    if(iFlag&(1<<1)){ // ANTIKT 04
      js = AddTaskJetSpectrum2("jetsAOD_FASTJET04","",cBack.Data(),filterMask,iPhysicsSelectionFlag, iEventSelectionMask,kBackground,1);
    }
    if(iFlag&(1<<2)){ // KT 04
      js = AddTaskJetSpectrum2("jetsAOD_FASTKT04","",cBack.Data(),filterMask,iPhysicsSelectionFlag,iEventSelectionMask,kBackground,1);
    }
    if(iFlag&(1<<3)){ // SISCONE 04
      js = AddTaskJetSpectrum2("jetsAOD_SISCONE04","",cBack.Data(),filterMask,iPhysicsSelectionFlag, iEventSelectionMask,kBackground,1);
    }
  }
  return js;
}


AliAnalysisTaskJetSpectrum2 *AddTaskJetSpectrum2(const char* bRec,const char* bGen ,const char* bBkg,UInt_t filterMask,Int_t iPhysicsSelectionFlag,UInt_t iEventSelectionMask,Bool_t kBackground,Int_t iFillCorrBkg,Int_t iCl)
{
  // Creates a jet fider task, configures it and adds it to the analysis manager.
  // Get the pointer to the existing analysis manager via the static access method.
  //==============================================================================
  AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
  if (!mgr) {
     ::Error("AddTaskJetSpectrum2", "No analysis manager to connect to.");
    return NULL;
   }  
  
  // Check the analysis type using the event handlers connected to the analysis manager.
  //==============================================================================
  if (!mgr->GetInputEventHandler()) {
    ::Error("AddTaskJetSpectrum2", "This task requires an input event handler");
    return NULL;
  }
  
  TString type = mgr->GetInputEventHandler()->GetDataType();
  TString typeRec(bRec);
  TString typeGen(bGen);
  typeGen.ToUpper();
  typeRec.ToUpper();
  
   TString bBkgName = bBkg;
   if(kBackground&&bBkgName.Length()==0){
     // default
     if(typeRec.Contains("AODMC2"))bBkgName = "jeteventbackground_clustersAODMC2_KT06";
     else bBkgName = "jeteventbackground_clustersAOD_KT06";
   }

   // Create the task and configure it.
   //===========================================================================

   if(iFillCorrBkg)bGen = Form("SubBkg%d",iFillCorrBkg);   
   AliAnalysisTaskJetSpectrum2* pwg4spec = new  AliAnalysisTaskJetSpectrum2(Form("JetSpectrum2%s-%s_%010d_Class%02d",bRec,bGen,iEventSelectionMask,iCl));
   pwg4spec->SetFillCorrBkg(iFillCorrBkg);
   if(iCl)pwg4spec->SetEventClass(iCl);

   // add the filter mask for non default jets branches
   TString cAdd("");
   cAdd += Form("_Filter%05d",filterMask);

   if(iFillCorrBkg)pwg4spec->SetBranchGen("");  
   else {
     pwg4spec->SetBranchGen(bGen); 
     if(typeGen.Contains("JETSAOD")&&!typeGen.Contains("MC"))pwg4spec->SetBranchGen(Form("%s%s",bGen,cAdd.Data())); 
   }
   pwg4spec->SetBranchRec(bRec); 
   if(typeRec.Contains("JETSAOD")&&!typeRec.Contains("MC"))     pwg4spec->SetBranchRec(Form("%s%s",bRec,cAdd.Data())); 

   if(bBkgName.Length()>0)pwg4spec->SetBranchBkg(bBkgName.Data());


   pwg4spec->SetFilterMask(filterMask); 
   pwg4spec->SetUseGlobalSelection(kTRUE); 
   pwg4spec->SetMinJetPt(5.);
   pwg4spec->SetBkgSubtraction(kBackground);


   if(type == "AOD"){
     // Assume all jet are produced already
     pwg4spec->SetAODJetInput(kTRUE);
     pwg4spec->SetAODTrackInput(kTRUE);
     pwg4spec->SetAODMCInput(kTRUE);
   }
   else{
     if(mgr->GetMCtruthEventHandler()){
       pwg4spec-> SetAnalysisType(AliAnalysisTaskJetSpectrum2::kAnaMCESD);
     }
   }

   if(typeRec.Contains("AODMC2b")){// work down from the top AODMC2b -> AODMC2 -> AODMC -> AOD
     pwg4spec->SetTrackTypeRec(AliAnalysisTaskJetSpectrum2::kTrackAODMCChargedAcceptance);
   }
   else if (typeRec.Contains("AODMC2")){
     pwg4spec->SetTrackTypeRec(AliAnalysisTaskJetSpectrum2::kTrackAODMCCharged);
   }
   else if (typeRec.Contains("AODMC")){
     pwg4spec->SetTrackTypeRec(AliAnalysisTaskJetSpectrum2::kTrackAODMCAll);
   }
   else { // catch akk use AOD
     pwg4spec->SetTrackTypeRec(AliAnalysisTaskJetSpectrum2::kTrackAOD);
   }

   if(typeGen.Contains("AODMC2b")){// work down from the top AODMC2b -> AODMC2 -> AODMC -> AOD
     pwg4spec->SetTrackTypeGen(AliAnalysisTaskJetSpectrum2::kTrackAODMCChargedAcceptance);
   }
   else if (typeGen.Contains("AODMC2")){
     pwg4spec->SetTrackTypeGen(AliAnalysisTaskJetSpectrum2::kTrackAODMCCharged);
   }
   else if (typeGen.Contains("AODMC")){
     pwg4spec->SetTrackTypeGen(AliAnalysisTaskJetSpectrum2::kTrackAODMCAll);
   }
   else if (typeGen.Length()>0){ // catch all use AOD
     pwg4spec->SetTrackTypeGen(AliAnalysisTaskJetSpectrum2::kTrackAOD);
   }

   if(iPhysicsSelectionFlag)pwg4spec->SelectCollisionCandidates(iPhysicsSelectionFlag);
   if(iEventSelectionMask)pwg4spec->SetEventSelectionMask(iEventSelectionMask);

   //   pwg4spec->SetDebugLevel(10);

   mgr->AddTask(pwg4spec);
     
   // Create ONLY the output containers for the data produced by the task.
   // Get and connect other common input/output containers via the manager as below
   //==============================================================================
   AliAnalysisDataContainer *coutput1_Spec = mgr->CreateContainer(Form("pwg4spec2_%s_%s_%010d_Class%02d",bRec,bGen,iEventSelectionMask,iCl),TList::Class(),AliAnalysisManager::kOutputContainer,Form("%s:PWG4_spec2_%s_%s_%010d_Class%02d",AliAnalysisManager::GetCommonFileName(),bRec,bGen,iEventSelectionMask,iCl));

   mgr->ConnectInput  (pwg4spec, 0, mgr->GetCommonInputContainer());
   mgr->ConnectOutput (pwg4spec, 0, mgr->GetCommonOutputContainer());
   mgr->ConnectOutput (pwg4spec,  1, coutput1_Spec );
   
   return pwg4spec;
}