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CdbNTupleIsLessComparatorDefaultImpl.hh

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#ifndef CDB_NTUPLE_IS_LESS_COMPARATOR_DEFAULT_IMPLHH
#define CDB_NTUPLE_IS_LESS_COMPARATOR_DEFAULT_IMPLHH

// File and Version Information:
//      $Id: CdbNTupleIsLessComparatorDefaultImpl.hh,v 1.1 2004/03/16 19:22:43 gapon Exp $

#include "CdbTable/CdbNTupleIsLessComparator.hh"

/// The default implementation for the "isLess" comparator.
/**
  * This implementation does collumn wise comparision of two rows in
  * the "left-to-right" direction.
  *
  * REQUIREMENTS:
  *
  *   The type 'T' is expected to have the 'operator<' defined in order to use
  *   this comparator's implementation.
  *
  * @see class CdbNTuple
  * @see class CdbNTupleIsLessComparator
  */
template < class T, unsigned int NCOL >
class CdbNTupleIsLessComparatorDefaultImpl : public CdbNTupleIsLessComparator<T,NCOL> {

public:

  /// Compare two rows
  /**
    * The implementation of the method defined by a base class or an interface.
    *
    * @see class CdbNTupleIsLessComparator
    */
    virtual bool isLess( const std::vector<T>& theLeftRow,
                         const std::vector<T>& theRightRow ) const;
};

#ifdef     BABAR_COMP_INST
#include "CdbTable/CdbNTupleIsLessComparatorDefaultImpl.cc"
#endif  // BABAR_COMP_INST

#endif // CDB_NTUPLE_IS_LESS_COMPARATOR_DEFAULT_IMPLHH

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