//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//  Analysis task for lambdas
// 
//
// Environment:
//      Software developed for the PANDA Detector at FAIR.
//
// Author List:
//      Sverre Doerheim          (original author)
//
//
//-----------------------------------------------------------

#ifndef FOPI_LAMBDA_RAVE_HH
#define FOPI_LAMBDA_RAVE_HH

// Base Class Headers ----------------
#include "FairTask.h"

// Collaborating Class Headers -------
#include <ostream> // remove if you do not need streaming op
#include <vector> 
#include <map> 

// Collaborating Class Declarations --

class TClonesArray;
class TLorentzVector;
class GFTrack;
class GFRecoHitFactory;
class GFRavePropagator;
class GFRaveVertexFactory;
class GFRaveVertex;
class TVector3;


class FopiLambdaRaveVtxTask : public FairTask {
public:

  // Constructors/Destructors ---------
  FopiLambdaRaveVtxTask();
  virtual ~FopiLambdaRaveVtxTask();

  // Operators
  
  // Accessors -----------------------
  
  
  // Modifiers -----------------------

  void SetPersistence(Bool_t opt=kTRUE) {fPersistence=opt;}
  void SetTrackBranchName(const TString& name){fTrackBranchName=name;}
  void SetVtxOutBranchName(const TString& name){fVtxOutBranchName=name;}
  void SetRaveVtxOutBranchName(const TString& name){fRaveVtxOutBranchName=name;}
  //vertexing
  void SetVtxUseVacuumPropagator(bool opt = true) {fVtxUseVacuumPropagator = opt;} // use the rave::Vacuum propagator instead of GFRavePropagator
  void SetVtxMethod(const TString& method){
    // TString to std::string
    std::string stdMethod(method.Data());
    fVtxMethod = stdMethod;
  }
  void SetUseMCids(bool usemcID=true){fUseMCID=usemcID;}
  virtual InitStatus Init();

  virtual void Exec(Option_t* opt);

  
 private:

  Int_t nEv;

  // Private Data Members ------------
  TString fTrackBranchName;
  TString fVtxOutBranchName;
  TString fRaveVtxOutBranchName;
  bool fPersistence;
  bool fUseMCID;
  TClonesArray* fTrackArray;
  TClonesArray* fVtxOutArray;
  TClonesArray* fRaveVtxOutArray;

  GFRaveVertexFactory* fVertexFactory;
  std::vector < GFRaveVertex* > * fVertexBuffer;
  std::vector < std::vector< GFTrack* > > fVtxTrackBuffer;

  std::string fVtxMethod; // vertex reconstruction method
  bool fVtxUseVacuumPropagator; // use the rave::Vacuum propagator instead of GFRavePropagator
  ClassDef(FopiLambdaRaveVtxTask,1);
  
};

#endif