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4338f373 | 1 | #ifndef ALIMULTIAODINPUTHANDLER_H |
2 | #define ALIMULTIAODINPUTHANDLER_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 | // This class handles multiple events for mixing. | |
11 | // Author: Andreas Morsch, CERN | |
12 | //------------------------------------------------------------------------- | |
13 | ||
14 | #include "AliInputEventHandler.h" | |
7de026d8 | 15 | class AliVEventPool; |
4338f373 | 16 | class AliAODEvent; |
17 | ||
18 | class AliMultiAODInputHandler : public AliInputEventHandler { | |
19 | ||
20 | public: | |
27bdfda6 | 21 | AliMultiAODInputHandler(); |
4338f373 | 22 | AliMultiAODInputHandler(Int_t size); |
23 | AliMultiAODInputHandler(const char* name, const char* title, Int_t size); | |
24 | virtual ~AliMultiAODInputHandler(); | |
25 | void SetBufferSize(Int_t size) {fBufferSize = size;} | |
7de026d8 | 26 | void SetEventPool(AliVEventPool* pool) {fEventPool = pool;} |
4338f373 | 27 | Int_t GetBufferSize() const {return fBufferSize;} |
28 | Int_t GetNBuffered() const {return fNBuffered;} | |
98359a67 | 29 | Bool_t IsBufferReady() const {return (fNBuffered >= (fBufferSize -1));} |
4338f373 | 30 | Bool_t IsFreshBuffer() const {return (fIndex == (fBufferSize - 1));} |
7de026d8 | 31 | AliVEventPool *GetEventPool() const {return fEventPool;} |
c9f05157 | 32 | virtual AliVEvent *GetEvent() const {return 0;} |
33 | virtual AliAODEvent *GetEvent(Int_t iev) const; | |
98359a67 | 34 | AliAODEvent *GetLatestEvent() const {return fEventBuffer[fIndex];} |
4338f373 | 35 | // From the interface |
c9f05157 | 36 | virtual Bool_t Init(Option_t* /*opt*/) {return kTRUE;} |
4338f373 | 37 | virtual Bool_t Init(TTree* tree, Option_t* /*opt*/); |
38 | virtual Bool_t FinishEvent(); | |
7de026d8 | 39 | virtual Bool_t BeginEvent(Long64_t /*entry*/); |
40 | ||
4338f373 | 41 | private: |
42 | AliMultiAODInputHandler(const AliMultiAODInputHandler& handler); | |
43 | AliMultiAODInputHandler& operator=(const AliMultiAODInputHandler& handler); | |
44 | private: | |
45 | Int_t fBufferSize; // Size of the buffer | |
46 | Int_t fNBuffered; // Number of events actually buffered | |
47 | Int_t fIndex; // Pointer to most recent event | |
7de026d8 | 48 | Int_t fCurrentBin; // Current bin from the pool |
4338f373 | 49 | TTree* fTree; // Pointer to the tree |
7de026d8 | 50 | AliVEventPool* fEventPool; // Pointer to the pool |
4338f373 | 51 | AliAODEvent** fEventBuffer; // The event buffer |
52 | ClassDef(AliMultiAODInputHandler, 1); | |
53 | }; | |
54 | ||
55 | #endif |