STEER/AliAODHandler.h

   1 #ifndef ALIAODHANDLER_H
   2 #define ALIAODHANDLER_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 //     Implementation of the Event Handler Interface for AOD
  10 //     Author: Andreas Morsch, CERN
  11 //-------------------------------------------------------------------------
  12
  13 #include "AliVEventHandler.h"
  14
  15 class AliAODEvent;
  16 class TFile;
  17 class TTree;
  18 class TObjArray;
  19 class AliMCEventHandler;
  20 class AliAODMCHeader;
  21 class AliAODExtension;
  22 class AliGenEventHeader;
  23
  24
  25
  26 class AliAODHandler : public AliVEventHandler {
  27
  28  public:
  29     AliAODHandler();
  30     AliAODHandler(const char* name, const char* title);
  31     virtual ~AliAODHandler();
  32     virtual void         SetOutputFileName(const char* fname);
  33     virtual const char*  GetOutputFileName();
  34     virtual Bool_t       Init(Option_t* option);
  35     virtual Bool_t       Init(TTree* /*tree*/, Option_t* /*option*/)  {return kTRUE;}
  36     virtual Bool_t       BeginEvent(Long64_t /*entry*/){return kTRUE;}
  37     virtual Bool_t       Notify() { return AliVEventHandler::Notify(); };
  38     virtual Bool_t       Notify(const char * /* path */) {return kTRUE;}
  39     virtual Bool_t       FinishEvent();
  40     virtual Bool_t       Terminate();
  41     virtual Bool_t       TerminateIO();
  42     //
  43     virtual void         SetCreateNonStandardAOD()   {fIsStandard = kFALSE;}
  44     virtual void         SetFillAOD(Bool_t b)      {fFillAOD = b;}
  45     virtual void         SetNeedsHeaderReplication() {fNeedsHeaderReplication = kTRUE;}
  46     virtual void         SetNeedsTracksBranchReplication() {fNeedsTracksBranchReplication = kTRUE;}
  47     virtual void         SetNeedsVerticesBranchReplication() {fNeedsVerticesBranchReplication = kTRUE;}
  48     virtual void         SetNeedsV0sBranchReplication() {fNeedsV0sBranchReplication = kTRUE;}
  49     virtual void         SetNeedsTrackletsBranchReplication() {fNeedsTrackletsBranchReplication = kTRUE;}
  50     virtual void         SetNeedsPMDClustersBranchReplication() {fNeedsPMDClustersBranchReplication = kTRUE;}
  51     virtual void         SetNeedsJetsBranchReplication() {fNeedsJetsBranchReplication = kTRUE;}
  52     virtual void         SetNeedsFMDClustersBranchReplication() {fNeedsFMDClustersBranchReplication = kTRUE;}
  53     virtual void         SetNeedsCaloClustersBranchReplication() {fNeedsCaloClustersBranchReplication = kTRUE;}
  54     virtual void         SetAODIsReplicated() {fAODIsReplicated = kTRUE;}
  55     //
  56     AliAODEvent*         GetAOD()  {return fAODEvent;}
  57     virtual TTree*       GetTree() const {return fTreeA;}
  58     TObjArray*           GetExtensions() const {return fExtensions;}
  59     void                 CreateTree(Int_t flag);
  60     void                 FillTree();
  61     void                 AddAODtoTreeUserInfo();
  62     void                 AddBranch(const char* cname, void* addobj, const char *fname="");
  63     AliAODExtension*     AddExtension(const char *filename, const char *title="");
  64     Bool_t               IsStandard() {return fIsStandard;}
  65     Bool_t               GetFillAOD(){return fFillAOD;}
  66     Bool_t               NeedsHeaderReplication() {return  fNeedsHeaderReplication;}
  67     Bool_t               NeedsTracksBranchReplication() {return  fNeedsTracksBranchReplication;}
  68     Bool_t               NeedsVerticesBranchReplication() {return  fNeedsVerticesBranchReplication;}
  69     Bool_t               NeedsV0sBranchReplication() {return  fNeedsV0sBranchReplication;}
  70     Bool_t               NeedsTrackletsBranchReplication() {return  fNeedsTrackletsBranchReplication;}
  71     Bool_t               NeedsPMDClustersBranchReplication() {return  fNeedsPMDClustersBranchReplication;}
  72     Bool_t               NeedsJetsBranchReplication() {return  fNeedsJetsBranchReplication;}
  73     Bool_t               NeedsFMDClustersBranchReplication() {return  fNeedsFMDClustersBranchReplication;}
  74     Bool_t               NeedsCaloClustersBranchReplication() {return  fNeedsCaloClustersBranchReplication;}
  75     Bool_t               AODIsReplicated() {return fAODIsReplicated;}
  76     //
  77     void                 SetInputTree(TTree* /*tree*/) {;}
  78     void                 SetMCEventHandler(AliMCEventHandler* mcH) {fMCEventH = mcH;} // For internal use
  79  private:
  80     void StoreMCParticles();
  81     void SetMCHeaderInfo(AliAODMCHeader *mcHeader,AliGenEventHeader *genHeader); // Utility function t catch different types of eventheaders
  82     AliAODHandler(const AliAODHandler&);             // Not implemented
  83     AliAODHandler& operator=(const AliAODHandler&);  // Not implemented
  84  private:
  85     Bool_t                   fIsStandard;                         // Flag for standard aod creation
  86     Bool_t                   fFillAOD;                          // Flag for filling of the AOD tree at the end (all or nothing)
  87     Bool_t                   fNeedsHeaderReplication;             // Flag for header replication
  88     Bool_t                   fNeedsTracksBranchReplication;       // Flag for tracks replication
  89     Bool_t                   fNeedsVerticesBranchReplication;     // Flag for vertices replication
  90     Bool_t                   fNeedsV0sBranchReplication;          // Flag for V0s replication
  91     Bool_t                   fNeedsTrackletsBranchReplication;    // Flag for Tracklets replication
  92     Bool_t                   fNeedsPMDClustersBranchReplication;  // Flag for PMDClusters replication
  93     Bool_t                   fNeedsJetsBranchReplication;         // Flag for Jets replication
  94     Bool_t                   fNeedsFMDClustersBranchReplication;  // Flag for FMDClusters replication
  95     Bool_t                   fNeedsCaloClustersBranchReplication; // Flag for CaloClusters replication
  96     Bool_t                   fAODIsReplicated;                    // Flag true if replication as been executed
  97     AliAODEvent             *fAODEvent;               //! Pointer to the AOD event
  98     AliMCEventHandler       *fMCEventH;               //! Pointer to mc event handler needed not to depend on the manager
  99     TTree                   *fTreeA;                  //! tree for AOD persistency
 100     TFile                   *fFileA;                  //! Output file
 101     TString                  fFileName;               //  Output file name
 102     TObjArray               *fExtensions;             //  List of extensions
 103     ClassDef(AliAODHandler, 4)
 104 };
 105
 106 //-------------------------------------------------------------------------
 107 //     Support class for AOD extensions. This is created by the user analysis
 108 //     that requires a separate file for some AOD branches. The name of the
 109 //     AliAODExtension object is the file name where the AOD branches will be
 110 //     stored.
 111 //     Author: Andrei Gheata, CERN
 112 //-------------------------------------------------------------------------
 113
 114 class AliAODExtension : public TNamed {
 115
 116  public:
 117     AliAODExtension() : TNamed(), fAODEvent(0), fTreeE(0), fFileE(0)   {;}
 118     AliAODExtension(const char* name, const char* title) : TNamed(name,title), fAODEvent(0), fTreeE(0), fFileE(0) {;}
 119     virtual ~AliAODExtension();
 120     void                 AddBranch(const char* cname, void* addobj);
 121     const char*          GetOutputFileName() const {return TNamed::GetName();}
 122     AliAODEvent*         GetAOD() const            {return fAODEvent;}
 123     TTree*               GetTree() const           {return fTreeE;}
 124     Bool_t               Init(Option_t *option);
 125     void                 SetOutputFileName(const char* fname) {TNamed::SetName(fname);}
 126     Bool_t               TerminateIO();
 127  private:
 128     AliAODExtension(const AliAODExtension&);             // Not implemented
 129     AliAODExtension& operator=(const AliAODExtension&);  // Not implemented
 130
 131  private:
 132     AliAODEvent             *fAODEvent;               //! Pointer to the AOD event
 133     TTree                   *fTreeE;                  //! tree for AOD persistency
 134     TFile                   *fFileE;                  //! Output file
 135     ClassDef(AliAODExtension, 1)                      // Support for extra AOD branches in a separate AOD file
 136 };
 137 #endif