From: odjuvsla <odjuvsla@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Tue, 7 Dec 2010 11:55:22 +0000 (+0000)
Subject: - adding new base class for the transverse energy tasks
X-Git-Url: http://git.uio.no/git/?a=commitdiff_plain;h=e97ddc0eb707f68b5ae4fe94b735c23359adfa92;p=u%2Fmrichter%2FAliRoot.git

- adding new base class for the transverse energy tasks
---

diff --git a/PWG4/totEt/AliAnalysisTaskTransverseEnergy.cxx b/PWG4/totEt/AliAnalysisTaskTransverseEnergy.cxx
new file mode 100644
index 00000000000..1ebe309ae27
--- /dev/null
+++ b/PWG4/totEt/AliAnalysisTaskTransverseEnergy.cxx
@@ -0,0 +1,112 @@
+#include "AliAnalysisTaskTransverseEnergy.h"
+#include "AliAnalysisEtSelectionHandler.h"
+#include "AliAnalysisManager.h"
+#include "AliInputEventHandler.h"
+#include "AliPhysicsSelectionTask.h"
+#include "AliPhysicsSelection.h"
+#include "AliESDCentrality.h"
+#include "AliESDEvent.h"
+#include "AliLog.h"
+#include <iostream>
+
+ClassImp(AliAnalysisTaskTransverseEnergy)
+
+AliAnalysisTaskTransverseEnergy::AliAnalysisTaskTransverseEnergy(const char* name, Bool_t isMc) :
+        AliAnalysisTaskSE(name)
+	,fESDEvent(0)
+        ,fMCConfigFile("ConfigEtMonteCarlo.C")
+        ,fRecoConfigFile("ConfigEtReconstructed.C")
+        ,fHistEtRecvsEtMC(0)
+        ,fEsdtrackCutsITSTPC(0)
+        ,fEsdtrackCutsTPC(0)
+        ,fEsdtrackCutsITS(0)
+        ,fOutputList(0)
+        ,fPhysSelTaskName("selctionTask")
+        ,fCentSelTaskName("centralityTask")
+	,fIsMc(isMc)
+	,fUsingDefaultSelection(true)
+	,fCurrentRunNumber(-1)
+	,fSelectionHandler(0)
+{
+  // Constructor
+    LoadPhysicsSelection("physicsSelections.root");
+}
+
+AliAnalysisTaskTransverseEnergy::~AliAnalysisTaskTransverseEnergy()
+{
+    // destructor
+}
+
+Int_t AliAnalysisTaskTransverseEnergy::CheckPhysicsSelection(Int_t runNumber)
+{
+  // Check if the physics selection is valid, if not load a new one
+    if (runNumber == fCurrentRunNumber || fIsMc)
+    {
+        return 0;
+    }
+    else
+    {
+        AliPhysicsSelection *selection = 0;
+        AliPhysicsSelectionTask *physSelTask = dynamic_cast<AliPhysicsSelectionTask*>(AliAnalysisManager::GetAnalysisManager()->GetTasks()->At(0));
+        if (physSelTask)
+        {
+
+            if ((selection = fSelectionHandler->GetPhysicsSelection(runNumber)))
+            {
+            }
+            else if ((selection = fSelectionHandler->GetDefaultPhysicsSelection()))
+            {
+	      fUsingDefaultSelection = true;
+            }
+            else if ((selection = new AliPhysicsSelection()))
+            {
+	      fUsingDefaultSelection = true;
+            }
+            else
+            {
+                AliError("Something went very wrong, not able to load/create new physics selection");
+                return -1;
+            }
+        }
+        else
+        {
+            AliError("Could not get physics selection task from manager, undefined or no selection will be used");
+            return -1;
+        }
+        AliInfo("Changing the physics selection");
+        // The physics selection task has a bit weird implementation, setting the the physics selection will not update the handler, so we do it manually
+        AliInputEventHandler* handler = dynamic_cast<AliInputEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
+        physSelTask->SetPhysicsSelection(selection);
+        handler->SetEventSelection(selection);
+        fCurrentRunNumber = runNumber;
+
+    }
+
+    return 1;
+}
+
+Bool_t AliAnalysisTaskTransverseEnergy::IsPhysicsSelected() const
+{
+  // See header file for class documentation
+    if(fIsMc) return true;
+    if(!fUsingDefaultSelection) return (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kUserDefined);
+    return (((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected() & AliVEvent::kMB);
+}
+
+Int_t AliAnalysisTaskTransverseEnergy::LoadPhysicsSelection(TString name)
+{	
+  // See header file for class documentation
+    if(fIsMc) return 0;
+    fSelectionHandler = new AliAnalysisEtSelectionHandler(name);
+    if (!fSelectionHandler) return -1;
+    return 0;
+}
+
+AliESDCentrality* AliAnalysisTaskTransverseEnergy::GetCentralityObject()
+{
+  // See header file for class documentation
+    if (fESDEvent)return fESDEvent->GetCentrality();
+    else return 0;
+}
+
+
diff --git a/PWG4/totEt/AliAnalysisTaskTransverseEnergy.h b/PWG4/totEt/AliAnalysisTaskTransverseEnergy.h
new file mode 100644
index 00000000000..80c50ee761d
--- /dev/null
+++ b/PWG4/totEt/AliAnalysisTaskTransverseEnergy.h
@@ -0,0 +1,74 @@
+#ifndef ALIANALYSISTASKTRANSVERSEENERGY_H
+#define ALIANALYSISTASKTRANSVERSEENERGY_H
+
+#include "AliAnalysisTaskSE.h"
+#include "AliESDtrackCuts.h"
+
+class AliESDCentrality;
+class AliAnalysisEtSelectionHandler;
+
+class AliAnalysisTaskTransverseEnergy : public AliAnalysisTaskSE
+{
+
+public:
+
+    /** Constructor */
+    AliAnalysisTaskTransverseEnergy(const char* name, Bool_t isMc);
+
+    /** Destructro */
+    virtual ~AliAnalysisTaskTransverseEnergy();
+
+    AliESDtrackCuts* GetTPCITSTrackCuts(){return (AliESDtrackCuts*) fOutputList->FindObject("fEsdTrackCuts");}
+    AliESDtrackCuts* GetTPCOnlyTrackCuts(){return (AliESDtrackCuts*) fOutputList->FindObject("fEsdTrackCutsTPCOnly");}
+    AliESDtrackCuts* GetITSTrackCuts(){return (AliESDtrackCuts*) fOutputList->FindObject("fEsdTrackCutsITS");}
+
+    Int_t LoadPhysicsSelection(TString name);
+    
+    void SetMcData(Bool_t isMc = true) { fIsMc = isMc; }
+
+protected:
+
+    /** Check if the physics selection is still valid, if not load new */
+    Int_t CheckPhysicsSelection(Int_t runNumber); // check if the current physics selection is valid, if not load new
+    
+    /** Check if the event is a physics event */
+    Bool_t IsPhysicsSelected() const;
+    
+    /** Get the centrality object */
+    AliESDCentrality* GetCentralityObject();
+    
+    /** The ESD event */
+    AliESDEvent *fESDEvent; //The ESD event
+  
+    TString       fMCConfigFile;        // the name of the ConfigFile
+    TString       fRecoConfigFile;        // the name of the ConfigFile
+
+    TH2F *fHistEtRecvsEtMC; // Rec vs MC histo 
+
+    AliESDtrackCuts* fEsdtrackCutsITSTPC; // track cuts ITS&TPC
+    AliESDtrackCuts* fEsdtrackCutsTPC; // track cuts TPC
+    AliESDtrackCuts* fEsdtrackCutsITS; // track cuts ITS
+
+    TList *fOutputList; //output list
+    
+    TString fPhysSelTaskName; // If we need to access the physics selection task
+    TString fCentSelTaskName; // If we need to access the centrality selection task
+    
+    Bool_t fIsMc; // Are we analysing MC data
+
+    Bool_t fUsingDefaultSelection; // Are we using the default physics selection
+
+private:
+
+    Int_t fCurrentRunNumber; // The current run number
+    
+    AliAnalysisEtSelectionHandler* fSelectionHandler; //! Taking care of loading the correct selections
+    AliAnalysisTaskTransverseEnergy();
+  //Declare it private to avoid compilation warning
+    AliAnalysisTaskTransverseEnergy & operator = (const AliAnalysisTaskTransverseEnergy &);//assignment
+    AliAnalysisTaskTransverseEnergy(const AliAnalysisTaskTransverseEnergy &) ; //copy constructor
+
+    ClassDef(AliAnalysisTaskTransverseEnergy, 1)
+};
+
+#endif // ALIANALYSISTASKTRANSVERSEENERGY_H