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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 */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //------------------------------------------------------------------------- | |
9 | // AOD Input Handler realisation of the AliVEventHandler interface | |
10 | // Author: Andreas Morsch, CERN | |
11 | //------------------------------------------------------------------------- | |
12 | ||
13 | #include "AliInputEventHandler.h" | |
14 | #include "AliAODEvent.h" | |
15 | class TList; | |
16 | class AliMCEvent; | |
17 | class TH2F; | |
18 | class AliMCEvent; | |
19 | ||
20 | ||
21 | class AliAODInputHandler : public AliInputEventHandler { | |
22 | ||
23 | public: | |
24 | AliAODInputHandler(); | |
25 | AliAODInputHandler(const char* name, const char* title); | |
26 | virtual ~AliAODInputHandler(); | |
27 | virtual Bool_t Init(Option_t* /*opt*/) {return kTRUE;} | |
28 | virtual Bool_t Init(TTree* tree, Option_t* opt); | |
29 | AliAODEvent *GetEvent() const {return fEvent;} | |
30 | AliMCEvent *MCEvent() const {return fMCEvent;} | |
31 | virtual void AddFriend(char* filename); | |
32 | virtual Bool_t BeginEvent(Long64_t entry); | |
33 | virtual Bool_t Notify() { return AliVEventHandler::Notify();}; | |
34 | virtual Bool_t Notify(const char* path); | |
35 | virtual Bool_t FinishEvent(); | |
36 | Option_t *GetDataType() const; | |
37 | // Get the statistics object (currently TH2). Option can be BIN0. | |
38 | virtual TObject *GetStatistics(Option_t *option="") const; | |
39 | // Provisions for event merging | |
40 | void SetMergeEvents(Bool_t flag) {fMergeEvents = flag;} | |
41 | Bool_t GetMergeEvents() const {return fMergeEvents;} | |
42 | AliAODEvent* GetEventToMerge() {return fAODEventToMerge;} | |
43 | void SetMergeOffset(Int_t ioff) {fMergeOffset = ioff;} | |
44 | private: | |
45 | void ConnectFriends(); | |
46 | AliAODInputHandler(const AliAODInputHandler& handler); | |
47 | AliAODInputHandler& operator=(const AliAODInputHandler& handler); | |
48 | private: | |
49 | AliAODEvent *fEvent; //! Pointer to the event | |
50 | AliMCEvent *fMCEvent; //! Pointer to the MCEvent | |
51 | TList *fFriends; // List of friend trees | |
52 | // Support for merged events | |
53 | Bool_t fMergeEvents; // Flag for event merging | |
54 | Bool_t fFriendsConnected;// Friends are connected | |
55 | TFile *fFileToMerge; //! File for merging | |
56 | TTree *fTreeToMerge; //! Tree for merging | |
57 | AliAODEvent *fAODEventToMerge; //! Event for merging | |
58 | Int_t fMergeOffset; //! Event offset for merging | |
59 | TH2F* fHistStatistics[2]; //! how many events are cut away why {all,bin 0} | |
60 | ClassDef(AliAODInputHandler, 3); | |
61 | }; | |
62 | ||
63 | #endif |