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"
22 class AliAODInputHandler : public AliInputEventHandler {
26 AliAODInputHandler(const char* name, const char* title);
27 virtual ~AliAODInputHandler();
28 virtual Bool_t Init(Option_t* /*opt*/) {return kTRUE;}
29 virtual Bool_t Init(TTree* tree, Option_t* opt);
30 AliAODEvent *GetEvent() const {return fEvent;}
31 AliMCEvent *MCEvent() const {return fMCEvent;}
32 virtual void AddFriend(char* filename);
33 virtual Bool_t BeginEvent(Long64_t entry);
34 virtual Bool_t Notify() { return AliVEventHandler::Notify();};
35 virtual Bool_t Notify(const char* path);
36 virtual Bool_t FinishEvent();
37 Option_t *GetDataType() const;
38 // Get the statistics object (currently TH2). Option can be BIN0.
39 virtual TObject *GetStatistics(Option_t *option="") const;
40 // Provisions for event merging
41 void SetMergeEvents(Bool_t flag) {fMergeEvents = flag;}
42 Bool_t GetMergeEvents() const {return fMergeEvents;}
43 AliAODEvent* GetEventToMerge() {return fAODEventToMerge;}
44 void SetMergeOffset(Int_t ioff) {fMergeOffset = ioff;}
46 void ConnectFriends();
47 AliAODInputHandler(const AliAODInputHandler& handler);
48 AliAODInputHandler& operator=(const AliAODInputHandler& handler);
50 AliAODEvent *fEvent; //! Pointer to the event
51 AliMCEvent *fMCEvent; //! Pointer to the MCEvent
52 TList *fFriends; // List of friend trees
53 // Support for merged events
54 Bool_t fMergeEvents; // Flag for event merging
55 Bool_t fFriendsConnected;// Friends are connected
56 TFile *fFileToMerge; //! File for merging
57 TTree *fTreeToMerge; //! Tree for merging
58 AliAODEvent *fAODEventToMerge; //! Event for merging
59 Int_t fMergeOffset; //! Event offset for merging
60 TH2F* fHistStatistics[2]; //! how many events are cut away why {all,bin 0}
61 ClassDef(AliAODInputHandler, 3);