5 #ifndef ALIEVEEVENTBUFFER_H
6 #define ALIEVEEVENTBUFFER_H
8 /* This file is property of and copyright by the ALICE HLT Project *
9 * ALICE Experiment at CERN, All rights reserved. *
10 * See cxx source for full Copyright notice
13 /** @file AliEveEventBuffer.h
16 @brief Manager for HOMER in aliroot
27 class AliEveEventBuffer : public TObject{
31 /** default constructor */
35 virtual ~AliEveEventBuffer();
37 void SetBufferSize(Int_t bs) { fBufferSize = bs;}
38 void SetBusy(Bool_t busy) { fBusy = busy;}
39 Bool_t GetBusy() { return fBusy;}
41 //Navigate the event buffer
42 // TObject * NavigateFwd();
43 // TObject * NavigateBack();
44 TObject * NextEvent();
48 void StartBufferMonitor();
49 void StopBufferMonitor();
50 //Needed for Homer buffer
51 virtual void ConnectToSource() = 0;
52 //Check if more events are needed in buffer
55 static void * BufferThread(void * buffer);
56 virtual void WriteToFile() {//Do nothing
60 Int_t GetEventId() const { return fEventId[fBIndex[kCurrent]];}
62 void CreateBufferThread();
79 //TClonesArray containing the stored events
80 TObjArray * fEventBuffer;
82 //Pointer to current event
83 TObject * fCurrentEvent;
85 //Event buffer indexes
90 virtual void AddToBuffer(TObject * event);
92 virtual TObject * GetEventFromSource() = 0;
97 //Calculate buffer index stuff
98 Int_t CalculateDifference(Int_t top, Int_t low);
99 Int_t CalculatePrevious(Int_t current);
100 Int_t CalculateNext(Int_t current);
102 void SetEventId(Int_t eventId) { fEventId[fBIndex[kCurrent]] = eventId;}
104 void SetBufferMonStarted(Bool_t started) {fBufferMonStarted = started;}
105 Bool_t GetBufferMonStarted () const { return fBufferMonStarted;}
109 /** copy constructor prohibited */
110 AliEveEventBuffer(const AliEveEventBuffer&);
112 /** assignment operator prohibited */
113 AliEveEventBuffer& operator=(const AliEveEventBuffer&);
117 TObject * GetNextUnSeen();
127 Bool_t fBufferMonStarted;
131 ClassDef(AliEveEventBuffer, 0); // Manage connections to HLT data-sources.