FastTrackerRecHitSplitter.h

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#ifndef FASTSIMULATION_TRACKING_FASTTRACKERRECHITSPLITTER_H
#define FASTSIMULATION_TRACKING_FASTTRACKERRECHITSPLITTER_H

#include <vector>
#include "FastSimulation/Tracking/interface/TrajectorySeedHitCandidate.h"
#include "DataFormats/TrackingRecHit/interface/TrackingRecHit.h"
#include "DataFormats/TrackerRecHit2D/interface/FastTrackerRecHit.h"
#include "DataFormats/TrackerRecHit2D/interface/FastSingleTrackerRecHit.h"
#include "DataFormats/TrackerRecHit2D/interface/FastMatchedTrackerRecHit.h"
#include "DataFormats/TrackerRecHit2D/interface/FastProjectedTrackerRecHit.h"

class FastTrackerRecHitSplitter 
{
    
public:
    
    FastTrackerRecHitSplitter(){;}
    ~FastTrackerRecHitSplitter(){;}
    
    inline void split(const FastTrackerRecHit & hitIn,edm::OwnVector<TrackingRecHit> & hitsOut,bool alongMomentum) const 
    {
    
    if(hitIn.dimension()==1 || hitIn.isPixel())
    {
        hitsOut.push_back( hitIn.clone() );
    }

    else if(hitIn.isProjected())
    {
        hitsOut.push_back(buildSplitStripHit(static_cast<const FastProjectedTrackerRecHit &>(hitIn).originalHit()));
    }
    
    else if(hitIn.isMatched())
    {
        if(alongMomentum)
        {
        hitsOut.push_back(buildSplitStripHit( (static_cast<const FastMatchedTrackerRecHit &>(hitIn)).firstHit()));
        hitsOut.push_back(buildSplitStripHit( (static_cast<const FastMatchedTrackerRecHit &>(hitIn)).secondHit()));
        }
        else
        {
        hitsOut.push_back(buildSplitStripHit( (static_cast<const FastMatchedTrackerRecHit &>(hitIn)).secondHit()));
        hitsOut.push_back(buildSplitStripHit( (static_cast<const FastMatchedTrackerRecHit &>(hitIn)).firstHit()));
        }
    }
    
    else
    {
        hitsOut.push_back(buildSplitStripHit(static_cast<const FastSingleTrackerRecHit &>(hitIn)));
    }
    }

    
private:
    
    inline FastSingleTrackerRecHit * buildSplitStripHit (const FastSingleTrackerRecHit & hit) const 
    {
    FastSingleTrackerRecHit * newHit = hit.clone();
    newHit->set2D(newHit->detUnit()->type().isEndcap());
    return newHit;
    }

};

#endif