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1 | #ifndef ALIMULTIEVENTINPUTHANDLER_H | |
2 | #define ALIMULTIEVENTINPUTHANDLER_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 | // Multi VEvent Input Handler realisation of the AliVEventHandler interface. | |
10 | // This class handles multiple events for mixing. | |
11 | // Author: Andreas Morsch, CERN | |
12 | //---------------------------------------------------------------------------- | |
13 | ||
14 | #include "AliInputEventHandler.h" | |
15 | class AliVEventPool; | |
16 | class AliVEvent; | |
17 | ||
18 | class AliMultiEventInputHandler : public AliInputEventHandler { | |
19 | ||
20 | public: | |
21 | AliMultiEventInputHandler(); | |
22 | AliMultiEventInputHandler(Int_t size, Int_t format = 1); | |
23 | AliMultiEventInputHandler(const char* name, const char* title, Int_t size, Int_t format = 1); | |
24 | virtual ~AliMultiEventInputHandler(); | |
25 | void SetBufferSize(Int_t size) {fBufferSize = size;} | |
26 | void SetEventPool(AliVEventPool* pool) {fEventPool = pool;} | |
27 | Int_t GetBufferSize() const {return fBufferSize;} | |
28 | Int_t GetNBuffered() const {return fNBuffered;} | |
29 | Bool_t IsBufferReady() const {return (fNBuffered >= (fBufferSize -1));} | |
30 | Bool_t IsFreshBuffer() const {return (fIndex == (fBufferSize - 1));} | |
31 | AliVEventPool *GetEventPool() const {return fEventPool;} | |
32 | virtual AliVEvent *GetEvent() const {return GetLatestEvent();} | |
33 | virtual AliVEvent *GetEvent(Int_t iev) const; | |
34 | AliVEvent *GetLatestEvent() const {return fEventBuffer[fIndex];} | |
35 | Int_t GetFormat() { return fFormat ;} | |
36 | void EventSkipped() {fEventSkipped = kTRUE;} | |
37 | // From the interface | |
38 | virtual Bool_t Init(Option_t* /*opt*/) {return kTRUE;} | |
39 | virtual Bool_t Init(TTree* tree, Option_t* /*opt*/); | |
40 | virtual Bool_t FinishEvent(); | |
41 | virtual Bool_t BeginEvent(Long64_t /*entry*/); | |
42 | virtual Bool_t Notify() { return AliInputEventHandler::Notify();} | |
43 | virtual Bool_t Notify(const char */*path*/); | |
44 | private: | |
45 | AliMultiEventInputHandler(const AliMultiEventInputHandler& handler); | |
46 | AliMultiEventInputHandler& operator=(const AliMultiEventInputHandler& handler); | |
47 | private: | |
48 | Int_t fBufferSize; // Size of the buffer | |
49 | Int_t fFormat; // 0: ESD 1: AOD | |
50 | Int_t fNBuffered; // Number of events actually buffered | |
51 | Int_t fIndex; // Pointer to most recent event | |
52 | Int_t fCurrentBin; // Current bin from the pool | |
53 | Int_t fCurrentEvt; // Current event | |
54 | Bool_t fInit; // Current event | |
55 | AliVEventPool* fEventPool; // Pointer to the pool | |
56 | AliVEvent** fEventBuffer; //! The event buffer | |
57 | Bool_t fEventSkipped; // User requires event to be skip | |
58 | ClassDef(AliMultiEventInputHandler, 1); | |
59 | }; | |
60 | ||
61 | #endif |