EncodedTruthId.h

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#ifndef TrackingAnalysis_EncodedTruthId_h
#define TrackingAnalysis_EncodedTruthId_h

#include <iosfwd>
#include "SimDataFormats/EncodedEventId/interface/EncodedEventId.h"

class EncodedTruthId : public EncodedEventId
{

    friend std::ostream& operator<< (std::ostream& os, const EncodedTruthId & id);

public:

// Constructors
    EncodedTruthId();
    EncodedTruthId(EncodedEventId eid, int index);

// Getters
    int index() const
    {
        return index_;
    }

// Operators
    int operator==(const EncodedTruthId& id) const
    {
        if (EncodedEventId::operator==(id))
        {
            return index_ == id.index_;
        }
        else
        {
            return EncodedEventId::operator==(id);
        }
    }

    int operator!=(const EncodedTruthId& id) const
    {
        return !(operator==(id));
    }

    int operator<( const EncodedTruthId& id) const
    {
        if (EncodedEventId::operator==(id))
        {
            return index_ < id.index_;
        }
        else
        {
            return (EncodedEventId::operator<(id));
        }
    }

private:
    int index_;
};

std::ostream& operator<<(std::ostream & os , EncodedTruthId& id);

#endif