1 #ifndef ALIFLATESDFRIENDTRACK_H
2 #define ALIFLATESDFRIENDTRACK_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
15 #include "AliVfriendTrack.h"
17 #include "AliFlatTPCseed.h"
20 class AliESDfriendTrack;
21 class AliExternalTrackParam;
22 class AliTrackPointArray;
25 class AliFlatESDFriendTrack :public AliVfriendTrack
29 // --------------------------------------------------------------------------------
30 // -- Constructor / Destructors
31 AliFlatESDFriendTrack();
32 ~AliFlatESDFriendTrack() {}
34 // constructor and method for reinitialisation of virtual table
35 AliFlatESDFriendTrack( AliVConstructorReinitialisationFlag );
36 void Reinitialize() { new (this) AliFlatESDFriendTrack( AliVReinitialize ); }
38 // -------------------- AliVfriendTrack interface ---------------------------------
40 Int_t GetTPCseed( AliTPCseed &) const;
42 Int_t GetTrackParamTPCOut( AliExternalTrackParam &p ) const { return GetTrackParam( fTPCOutPointer, p ); }
43 Int_t GetTrackParamITSOut( AliExternalTrackParam &p ) const { return GetTrackParam( fITSOutPointer, p ); }
44 Int_t GetTrackParamTRDIn( AliExternalTrackParam &p ) const { return GetTrackParam( fTRDInPointer, p ); }
46 //virtual const AliVtrackPointArray *GetTrackPointArray() const {return NULL;}
48 TObject* GetCalibObject(Int_t) const {return NULL;}
49 const AliExternalTrackParam* GetTPCOut() const {return NULL;}
50 const AliExternalTrackParam* GetITSOut() const {return NULL;}
53 // bit manipulation for filtering
55 void SetSkipBit(Bool_t skip){ fBitFlags = skip; }
56 Bool_t TestSkipBit() const { return (fBitFlags!=0); }
58 // ------------------- Own methods ---------------------------------------------------------
64 Int_t SetFromESDfriendTrack( const AliESDfriendTrack* track, size_t allocatedMemory );
66 void SetTrackParamTPCOut( const AliExternalTrackParam *p ){ SetTrackParam( fTPCOutPointer, p ); }
67 void SetTrackParamITSOut( const AliExternalTrackParam *p ){ SetTrackParam( fITSOutPointer, p ); }
68 void SetTrackParamTRDIn ( const AliExternalTrackParam *p ){ SetTrackParam( fTRDInPointer, p ); }
69 void SetTPCseed ( const AliTPCseed *p );
73 const AliFlatESDFriendTrack *GetNextTrack() const { return reinterpret_cast<const AliFlatESDFriendTrack*>(fContent+fContentSize); }
74 AliFlatESDFriendTrack *GetNextTrackNonConst() { return reinterpret_cast<AliFlatESDFriendTrack*>(fContent+fContentSize); }
76 // --------------------------------------------------------------------------------
79 static size_t EstimateSize(){
80 return sizeof(AliFlatESDFriendTrack) + 3*sizeof(AliFlatExternalTrackParam) + AliFlatTPCseed::EstimateSize();
83 size_t GetSize() const { return fContent - reinterpret_cast<const Byte_t*>(this) + fContentSize; }
87 AliFlatESDFriendTrack(const AliFlatESDFriendTrack &);
88 AliFlatESDFriendTrack& operator=(const AliFlatESDFriendTrack& );
90 Int_t GetTrackParam( Long64_t ptr, AliExternalTrackParam ¶m ) const;
91 void SetTrackParam( Long64_t &ptr, const AliExternalTrackParam *p );
93 // --------------------------------------------------------------------------------
95 ULong64_t fContentSize; // Size of this object
96 Long64_t fTPCOutPointer; // pointer to TPCOut track param in fContent
97 Long64_t fITSOutPointer; // pointer to ITSOut track param in fContent
98 Long64_t fTRDInPointer; // pointer to TRDIn track param in fContent
99 Long64_t fTPCseedPointer; // pointer to TPCseed in fContent
100 Bool_t fBitFlags; // bit flags
102 // --------------------------------------------------------------------------------
104 Byte_t fContent[1]; // Variale size object, which contains all data
106 //ClassDef(AliFlatESDFriendTrack, 0)
111 inline Int_t AliFlatESDFriendTrack::GetTrackParam( Long64_t ptr, AliExternalTrackParam ¶m ) const
113 if( ptr<0 ) return -1;
114 const AliFlatExternalTrackParam *fp = reinterpret_cast< const AliFlatExternalTrackParam* >( fContent + ptr );
115 fp->GetExternalTrackParam( param );
118 inline void AliFlatESDFriendTrack::SetTrackParam( Long64_t &ptr, const AliExternalTrackParam *p )
123 fContentSize += sizeof(AliFlatExternalTrackParam);
125 AliFlatExternalTrackParam *fp = reinterpret_cast< AliFlatExternalTrackParam* >( fContent + ptr );
126 fp->SetExternalTrackParam( p );
129 inline void AliFlatESDFriendTrack::SetTPCseed( const AliTPCseed *p )
131 fTPCseedPointer = -1;
133 fTPCseedPointer = fContentSize;
134 AliFlatTPCseed *fp = reinterpret_cast< AliFlatTPCseed* >( fContent + fTPCseedPointer );
135 fp->SetFromTPCseed( p );
136 fContentSize += fp->GetSize();
139 inline Int_t AliFlatESDFriendTrack::GetTPCseed( AliTPCseed &s ) const
141 if( fTPCseedPointer<0 ) return -1;
142 const AliFlatTPCseed *fp = reinterpret_cast< const AliFlatTPCseed* >( fContent + fTPCseedPointer );
143 fp->GetTPCseed( &s );