//////////////////////////////////////////////////////////////////
//
// Abstract Base Class for the Track Finder
// Each Concret class should inherit this class
// Author: Yuki Fujii (yfujii@ihep.ac.cn)
//
//////////////////////////////////////////////////////////////////

#ifndef TVTrackFinder_hxx_seen
#define TVTrackFinder_hxx_seen

#include <vector>

#include <TObject.h>
#include <TVector3.h>

#include <IAlgorithm.hxx>
#include <IAlgorithmResult.hxx>
#include <ICOMETLog.hxx>

#include <IHandle.hxx>
#include <ICOMETEvent.hxx>
#include <IReconTrackCand.hxx>

class IVTrackFinder : public COMET::IAlgorithm {
public:
    IVTrackFinder(const char* name, const char* title);
    virtual ~IVTrackFinder();

    /// main task called in event-by-event
    virtual void FindTrack(std::vector< COMET::IHandle<COMET::IReconTrackCand> > &track) = 0;

    /// This method is filled in derived classes
    virtual COMET::IHandle<COMET::IAlgorithmResult> Process(const COMET::IAlgorithmResult& input) = 0;

    /// load the event
    virtual int  Load(COMET::ICOMETEvent& anEvent) = 0;

    /// save the event
    virtual int  Save(COMET::ICOMETEvent* anEvent) = 0;

    /// called at the begin run or else (should not be in event-by-event)
    virtual int  Init() = 0;

    /// called at the end run or else (should not be in event-by-event)
    virtual int  Finish() = 0;

protected:
    TString fName;
};
#endif