GetRunSnarlEvent.h

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#ifndef GETRUNSNARLEVENT_H
#define GETRUNSNARLEVENT_H

#include "DataUtil/GetCandHeader.h"

#include "MinosObjectMap/MomNavigator.h"
#include "CandData/CandHeader.h"
#include "Record/RecRecordImp.h"
#include "Record/RecCandHeader.h"

namespace DataUtil {

inline
bool GetRunSnarlEvent(const MomNavigator* mom, 
                      int& run, int& snarl, int& event) 
{
    if (!mom) return false;

    // look for a Candidate record header
    const CandHeader* chead = GetCandHeader(mom);
    if ( chead ) {
       run   = chead->GetRun();
       snarl = chead->GetSnarl();
       event = chead->GetEvent();
       return true;
    }
 
    // look for new record headers (ie. ntuples )
    RecRecordImp<RecCandHeader> *rr = 
        dynamic_cast<RecRecordImp<RecCandHeader>*>
           (mom->GetFragment("RecRecordImp<RecCandHeader>"));
    if ( rr ) {
        run   = rr->GetHeader().GetRun();
        snarl = rr->GetHeader().GetSnarl();
        event = rr->GetHeader().GetEvent();
        return true;
    }

    return false;
}

} // namespace DataUtil

#endif  // GETRUNSNARLEVENT_H

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