- something went wrong with previous commit...

[u/mrichter/AliRoot.git] / STEER / AliESDInputHandler.h

#ifndef ALIESDINPUTHANDLER_H
#define ALIESDINPUTHANDLER_H
/* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

//-------------------------------------------------------------------------
//     ESD Input Handler realisation of the AliVEventHandler interface
//     Author: Andreas Morsch, CERN
//-------------------------------------------------------------------------

#include "AliInputEventHandler.h"
#include "AliESDEvent.h"
class TChain;
class TTree;
class AliRunTag;
class TMap;
class AliESDfriend;
class AliESDpid;


class AliESDInputHandler : public AliInputEventHandler {

 public:
    AliESDInputHandler();
    AliESDInputHandler(const char* name, const char* title);
    virtual ~AliESDInputHandler();
    virtual Bool_t       Init(Option_t* /*opt*/) {return kTRUE;}
    virtual Bool_t       Init(TTree* tree, Option_t* opt);
    virtual Bool_t       BeginEvent(Long64_t entry);
    virtual Bool_t       Notify() { return AliVEventHandler::Notify(); };
    virtual Bool_t       Notify(const char* path);
    virtual Bool_t       FinishEvent();
    AliESDEvent         *GetEvent()        const {return fEvent;}
    Option_t            *GetAnalysisType() const {return fAnalysisType;}
    Option_t            *GetDataType() const;
    // Tag cut summary analysis
    Int_t                GetNEventAcceptedInFile();
    Int_t                GetNEventRejectedInFile();
    Bool_t               GetCutSummaryForChain(Int_t *aTotal, Int_t *aAccepted, Int_t *aRejected);
    Int_t                GetNFilesEmpty();
    // HLT  analysis
    AliESDEvent         *GetHLTEvent()     const {return fHLTEvent;}
    TTree               *GetHLTTree()      const {return fHLTTree;}    
    void                SetReadHLT()             {fUseHLT = kTRUE;}
    // Friends&Co
    AliESDfriend        *GetESDfriend()    const {return fFriend;}
    AliESDpid           *GetESDpid()       const {return fESDpid;}
    void                 SetESDpid(AliESDpid* pid)     {fESDpid = pid;}
    void                 SetReadFriends(Bool_t flag)   {fReadFriends = flag;}
    // Tag analysis
    void SetReadTags() {fUseTags = kTRUE;}
    AliRunTag           *GetRunTag() const {return fRunTag;}
    
 private:
    AliESDInputHandler(const AliESDInputHandler& handler);             
    AliESDInputHandler& operator=(const AliESDInputHandler& handler);  
 protected:
    // ESD event
    AliESDEvent    *fEvent;        //! Pointer to the event
    AliESDfriend   *fFriend;       //! Pointer to the esd friend
    AliESDpid      *fESDpid;       //! Pointer to PID information
    Option_t       *fAnalysisType; //! local, proof, grid
    Int_t           fNEvents;      //! Number of events in the current tree
    // HLT event
    AliESDEvent    *fHLTEvent;     //! Pointer to the HLT Event (if present)
    TTree          *fHLTTree;      //! Pointer to the HLT Event (if present)
    Bool_t          fUseHLT;       //  Flag to access HLT Events
    // ESD Tag Cut Summary
    TMap           *fTagCutSumm;   //! Tag cut summary map
    // ESD Tags (optional)
    Bool_t          fUseTags;      //  Flag to use tags
    TChain         *fChainT;       //! File with event tags
    TTree          *fTreeT;        //! Tree of tags
    AliRunTag      *fRunTag;       //! Pointer to the run tag
    Bool_t          fReadFriends;  //  Flag for friends reading 
    ClassDef(AliESDInputHandler, 5);
};

#endif