/data/refman/pasoursint/CMSSW_4_4_5_patch3/src/RecoTracker/SiTrackerMRHTools/interface/SimpleDAFHitCollector.h

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#ifndef SiTrackerMRHTools_SimpleDAFHitCollector_h
#define SiTrackerMRHTools_SimpleDAFHitCollector_h
#include "RecoTracker/SiTrackerMRHTools/interface/MultiRecHitCollector.h"
#include <vector>

class Propagator;
class MeasurementEstimator;
class SiTrackerMultiRecHitUpdator;

class SimpleDAFHitCollector :public MultiRecHitCollector {
        public:
        explicit SimpleDAFHitCollector(const MeasurementTracker* measurementTracker,
                                 const SiTrackerMultiRecHitUpdator* updator,
                                 const MeasurementEstimator* est,
                                 const Propagator* propagator
                                 ):MultiRecHitCollector(measurementTracker), theUpdator(updator), theEstimator(est), thePropagator(propagator){}
                        

        virtual ~SimpleDAFHitCollector(){}
        
        //given a trajectory it returns a collection
        //of TSiTrackerMultiRecHits and InvalidTransientRecHits.
        //For each measurement in the trajectory, measurements are looked for according to the 
        //MeasurementDet::fastMeasurements method only in the detector where the original measurement lays. 
        //If measurements are found a TSiTrackerMultiRecHit is built.
        //All the components will lay on the same detector  
        
        virtual std::vector<TrajectoryMeasurement> recHits(const Trajectory&) const;

        const SiTrackerMultiRecHitUpdator* getUpdator() const {return theUpdator;}
        const MeasurementEstimator* getEstimator() const {return theEstimator;}
        const Propagator* getPropagator() const {return thePropagator;}

        private:
        //TransientTrackingRecHit::ConstRecHitContainer buildMultiRecHits(const std::vector<TrajectoryMeasurementGroup>& measgroup) const;
        void buildMultiRecHits(const std::vector<TrajectoryMeasurement>& measgroup, std::vector<TrajectoryMeasurement>& result) const;
        
        private:
        const SiTrackerMultiRecHitUpdator* theUpdator;
        const MeasurementEstimator* theEstimator;
        //this actually is not used in the fastMeasurement method       
        const Propagator* thePropagator; 
        

};


#endif