1 #ifndef ALIFLATESDEVENT_H
2 #define ALIFLATESDEVENT_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice *
6 * Primary Authors : Sergey Gorbunov, Jochen Thaeder, Chiara Zampolli */
9 * See implementation file for documentation
13 #include "AliVVMisc.h"
14 #include "AliVVevent.h"
15 #include "AliFlatESDTrack.h"
16 #include "AliFlatESDVertex.h"
19 class AliFlatESDTrigger;
24 class AliFlatESDEvent :public AliVVevent {
26 // --------------------------------------------------------------------------------
27 // -- Constructor / Destructors
31 // constructor and method for reinitialisation of virtual table
32 AliFlatESDEvent( AliVVConstructorReinitialisationFlag );
33 void Reinitialize() { new (this) AliFlatESDEvent( AliVVReinitialize ); }
35 // --------------------------------------------------------------------------------
36 // Interface to AliVVEvent
38 Double_t GetMagneticField() const { return fMagneticField; }
39 UInt_t GetPeriodNumber() const { return fPeriodNumber; }
40 Int_t GetRunNumber() const { return fRunNumber; }
41 UInt_t GetOrbitNumber() const { return fOrbitNumber; }
42 UShort_t GetBunchCrossNumber() const { return fBunchCrossNumber; }
43 ULong64_t GetTriggerMask() const { return fTriggerMask; }
44 ULong64_t GetTriggerMaskNext50() const { return fTriggerMaskNext50; }
45 TString GetFiredTriggerClasses() const ;
47 Int_t GetNumberOfTracks() const { return fNTracks; }
48 Int_t GetNumberOfV0s() const { return fNV0s; }
51 void ConnectTracks(){} // initialisation, needed by the ESD event, part of VVevent interface
53 UInt_t GetTimeStamp() const { return fTimeStamp; }
54 UInt_t GetEventSpecie() const { return fEventSpecie; }
55 Int_t GetNumberOfKinks() const { return 0; }
57 const AliVVtrack* GetVVTrack(Int_t i) const { return GetFlatTrack(i); }
58 AliESDkink* GetKink(Int_t /*i*/) const { return NULL;}
60 // --------------------------------------------------------------------------------
65 Int_t SetFromESD( size_t allocatedMemorySize, const AliESDEvent *esd, const Bool_t fillV0s=kTRUE );
67 void SetMagneticField( Double_t mf ){ fMagneticField = mf; }
68 void SetPeriodNumber( Int_t n ) { fPeriodNumber = n; }
69 void SetRunNumber( Int_t n ) { fRunNumber = n; }
70 void SetOrbitNumber( UInt_t n ) { fOrbitNumber = n; }
71 void SetBunchCrossNumber( UShort_t n ) { fBunchCrossNumber = n; }
72 void SetTimeStamp( UInt_t timeStamp ){ fTimeStamp = timeStamp; }
73 void SetEventSpecie(UInt_t eventSpecie){ fEventSpecie = eventSpecie; }
74 void SetTriggerMask(ULong64_t n) { fTriggerMask = n; }
75 void SetTriggerMaskNext50(ULong64_t n) { fTriggerMaskNext50 = n; }
77 Int_t SetPrimaryVertexTracks( const AliESDVertex *v, size_t allocatedVtxMemory );
78 Int_t SetPrimaryVertexSPD( const AliESDVertex *v, size_t allocatedVtxMemory );
80 AliFlatESDTrigger *SetTriggersStart();
81 void SetTriggersEnd( Int_t nTriggerClasses, size_t triggersSize );
83 Int_t SetTracksStart( AliFlatESDTrack* &t, Long64_t* &table, Int_t nTracks, size_t freeMem);
84 void SetTracksEnd( Int_t nTracks, size_t tracksSize );
86 AliFlatESDV0 *SetV0sStart();
87 void SetV0sEnd( Int_t nV0s, size_t v0sSize );
89 // --------------------------------------------------------------------------------
92 const AliFlatESDVertex* GetPrimaryVertexSPD() const ;
93 const AliFlatESDVertex* GetPrimaryVertexTracks() const ;
95 Int_t GetNumberOfTriggerClasses() const { return fNTriggerClasses; }
97 const AliFlatESDTrigger *GetTriggerClasses() const { return reinterpret_cast<const AliFlatESDTrigger*>( fContent + fTriggerPointer ); }
98 const AliFlatESDTrack *GetTracks() const { return reinterpret_cast<const AliFlatESDTrack*>( fContent + fTracksPointer ); }
99 const AliFlatESDV0 *GetV0s() const { return reinterpret_cast<const AliFlatESDV0*>( fContent + fV0Pointer ); }
101 const AliFlatESDTrack *GetFlatTrack( Int_t i ) const ;
103 // --------------------------------------------------------------------------------
106 ULong64_t GetSize() const { return fContent + fContentSize - reinterpret_cast<const Byte_t*>(this); }
108 static ULong64_t EstimateSize(AliESDEvent*esd, Bool_t fillV0s=kTRUE );
112 AliFlatESDEvent( const AliFlatESDEvent& );
113 AliFlatESDEvent& operator=( const AliFlatESDEvent& );
115 // --------------------------------------------------------------------------------
117 // -- Fixed size member objects ( try to align in memory )
119 size_t fContentSize; // Size of fContent
120 Double32_t fMagneticField; // Solenoid Magnetic Field in kG : for compatibility with AliMagF
121 UInt_t fPeriodNumber; // PeriodNumber
122 Int_t fRunNumber; // Run Number
123 UInt_t fOrbitNumber; // Orbit Number
124 UInt_t fTimeStamp; // Time stamp
125 UInt_t fEventSpecie; // Reconstruction event specie (1-default,2-lowM,4-highM,8-cosmic,16-cal)
126 UShort_t fBunchCrossNumber; // Bunch Crossing Number
127 Byte_t fPrimaryVertexMask; // Bit mask specfifying which primary vertices are present
128 ULong64_t fTriggerMask; // Trigger mask, first 50 bits
129 ULong64_t fTriggerMaskNext50; // Trigger mask, next 50 bits
131 UInt_t fNTriggerClasses; // N trigger classes
132 UInt_t fNPrimaryVertices; // Number of primary vertices in array
133 UInt_t fNTracks; // Number of tracks in array
134 UInt_t fNV0s; // Number of v0's
136 // Pointers to specific data in fContent
138 size_t fTriggerPointer; // position of the first trigger description in fContent
139 size_t fPrimaryVertexTracksPointer; // position of primary vertex tracks in fContent
140 size_t fPrimaryVertexSPDPointer; // position of primary vertex SPD in fContent
141 size_t fTrackTablePointer; // position of the first track pointer in fContent
142 size_t fTracksPointer; // position of the first track in fContent
143 size_t fV0Pointer; // position of the first V0 in fContent
145 // --------------------------------------------------------------------------------
147 // -- Variable Size Object
149 Byte_t fContent[1]; // Variale size object, which contains all data
152 // Inline implementations
154 inline const AliFlatESDTrack *AliFlatESDEvent::GetFlatTrack( Int_t i ) const
156 const Long64_t *table = reinterpret_cast<const Long64_t*> (fContent + fTrackTablePointer);
157 if( i<0 || i>(int) fNTracks || table[i]<0 ) return NULL;
158 return reinterpret_cast<const AliFlatESDTrack*>( fContent + table[i] );
162 inline Int_t AliFlatESDEvent::SetTracksStart( AliFlatESDTrack* &t, Long64_t* &table, Int_t nTracks, size_t freeMem)
165 if( nTracks*sizeof(Long64_t) > freeMem ) return -1;
166 fTrackTablePointer = fContentSize;
167 fContentSize += nTracks*sizeof(Long64_t);
168 fTracksPointer = fContentSize;
169 table = reinterpret_cast< Long64_t* >( fContent + fTrackTablePointer );
170 t = reinterpret_cast< AliFlatESDTrack* >( fContent + fTracksPointer );
174 inline void AliFlatESDEvent::SetTracksEnd( Int_t nTracks, size_t tracksSize )
176 if( nTracks<0 ) return;
177 Long64_t *table = reinterpret_cast< Long64_t*> (fContent + fTrackTablePointer);
178 for( int i=0; i<nTracks; i++ ) table[i]+=fTracksPointer;
180 fContentSize += tracksSize;
183 inline AliFlatESDV0 *AliFlatESDEvent::SetV0sStart()
186 fV0Pointer = fContentSize;
187 return reinterpret_cast< AliFlatESDV0* >( fContent + fContentSize );
190 inline void AliFlatESDEvent::SetV0sEnd( Int_t nV0s, size_t v0sSize )
193 fContentSize += v0sSize;
196 inline AliFlatESDTrigger *AliFlatESDEvent::SetTriggersStart()
198 fNTriggerClasses = 0;
199 fTriggerPointer = fContentSize;
200 return reinterpret_cast< AliFlatESDTrigger* >( fContent + fContentSize );
203 inline void AliFlatESDEvent::SetTriggersEnd( Int_t nTriggerClasses, size_t triggersSize )
205 fNTriggerClasses = nTriggerClasses;
206 fContentSize += triggersSize;
209 inline const AliFlatESDVertex* AliFlatESDEvent::GetPrimaryVertexSPD() const
211 return (fPrimaryVertexMask & 0x1) ? reinterpret_cast<const AliFlatESDVertex*>(fContent + fPrimaryVertexSPDPointer) : NULL;
214 inline const AliFlatESDVertex* AliFlatESDEvent::GetPrimaryVertexTracks() const
216 return (fPrimaryVertexMask & 0x2) ? (reinterpret_cast<const AliFlatESDVertex*>(fContent + fPrimaryVertexTracksPointer) ) : NULL;