1 #ifndef ALIAODINPUTHANDLER_H
2 #define ALIAODINPUTHANDLER_H
3 /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //-------------------------------------------------------------------------
9 // AOD Input Handler realisation of the AliVEventHandler interface
10 // Author: Andreas Morsch, CERN
11 //-------------------------------------------------------------------------
13 #include "AliInputEventHandler.h"
14 #include "AliAODEvent.h"
15 #include "AliMCEvent.h"
24 class AliAODInputHandler : public AliInputEventHandler {
28 AliAODInputHandler(const char* name, const char* title);
29 virtual ~AliAODInputHandler();
30 virtual Bool_t Init(Option_t* /*opt*/) {return kTRUE;}
31 virtual Bool_t Init(TTree* tree, Option_t* opt);
32 AliAODEvent *GetEvent() const {return fEvent;}
33 AliMCEvent *MCEvent() const {return fMCEvent;}
34 virtual void AddFriend(char* filename);
35 virtual Bool_t BeginEvent(Long64_t entry);
36 virtual Bool_t Notify() { return AliVEventHandler::Notify();};
37 virtual Bool_t Notify(const char* path);
38 virtual Bool_t FinishEvent();
39 Option_t *GetDataType() const;
40 // Get the statistics object (currently TH2). Option can be BIN0.
41 virtual TObject *GetStatistics(Option_t *option="") const;
42 // Provisions for event merging
43 void SetMergeEvents(Bool_t flag) {fMergeEvents = flag;}
44 Bool_t GetMergeEvents() const {return fMergeEvents;}
45 AliAODEvent* GetEventToMerge() {return fAODEventToMerge;}
46 void SetMergeOffset(Int_t ioff) {fMergeOffset = ioff;}
49 virtual AliPIDResponse* GetPIDResponse() {return (AliPIDResponse*)fAODpidUtil;}
50 virtual void CreatePIDResponse(Bool_t isMC=kFALSE);
51 AliAODpidUtil *GetAODpidUtil() const { return fAODpidUtil; }
54 void ConnectFriends();
55 AliAODInputHandler(const AliAODInputHandler& handler);
56 AliAODInputHandler& operator=(const AliAODInputHandler& handler);
58 AliAODEvent *fEvent; //! Pointer to the event
59 AliMCEvent *fMCEvent; //! Pointer to the MCEvent
60 TList *fFriends; // List of friend trees
61 AliAODpidUtil *fAODpidUtil; //! Pointer to PID information
63 // Support for merged events
64 Bool_t fMergeEvents; // Flag for event merging
65 Bool_t fFriendsConnected;// Friends are connected
66 TFile *fFileToMerge; //! File for merging
67 TTree *fTreeToMerge; //! Tree for merging
68 AliAODEvent *fAODEventToMerge; //! Event for merging
69 Int_t fMergeOffset; //! Event offset for merging
70 TH2F* fHistStatistics[2]; //! how many events are cut away why {all,bin 0}
71 ClassDef(AliAODInputHandler, 3);