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CdbRooNTupleSimpleImplR.rdl

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#ifndef CDBROOTABLE_NTUPLE_SIMPLE_IMPL_R_RDL
#define CDBROOTABLE_NTUPLE_SIMPLE_IMPL_R_RDL

// File and Version Information:
//      $Id: CdbRooNTupleSimpleImplR.rdl,v 1.2 2005/01/09 19:33:17 gapon Exp $

#include "CdbRooTable/CdbRooNTupleR.hh"

/// An implementation of a base class for persistent n-tuples
/**
  * This implementation uses the STD vector class for internal  storing of
  * n-tuple elements.
  *
  * @see CdbRooNTupleBaseR
  * @see CdbRooNTupleR
  */
template< class E >
class CdbRooNTupleSimpleImplR : public CdbRooNTupleR<E> {

public:

  /// Default constructor
  /**
    * Is useless, but it's required by the ROOT I/O streamers. Any attempts to use an object
    * constructed in this way would result in the corresponding errors reported.
    */
    CdbRooNTupleSimpleImplR( );

  /// Constructor
  /**
    * @see CdbRooNTupleBaseR::CdbRooNTupleBaseR
    * @see CdbRooNTupleR::CdbRooNTupleR
    */
    CdbRooNTupleSimpleImplR( UInt_t                          theNumberOfColumns,
                             const std::string&              theName,
                             const std::string&              theDescription,
                             const std::vector<std::string>& theColumnNames );

  /// Destructor

    virtual ~CdbRooNTupleSimpleImplR ( );

  /// Get the number of rows in the tuple
  /**
    * Implements a virtual method defined in the base class.
    *
    * @see CdbRooNTupleR::rows
    */
    virtual UInt_t rows( ) const { return _data.size( ); }

  /// Get a row at a specified position
  /**
    * Implements a virtual method defined in the base class.
    *
    * @see CdbRooNTupleR::get_row
    */
    virtual CdbStatus get_row( std::vector<E>& theRow,
                               const UInt_t    theNumber ) const;

  /// Append a row by the end of an existing list
  /**
    * Implements a virtual method defined in the base class.
    *
    * @see CdbRooNTupleR::append_row
    */
    virtual CdbStatus append_row( const std::vector<E>& theRow );

private:

  // The storage for the tuple elements

    std::vector< std::vector<E> > _data;

    ClassDefT(CdbRooNTupleSimpleImplR<E>,1);
};

// Template class implementation

#ifndef __CINT__
#ifdef    BABAR_COMP_INST
#include "CdbRooTable/CdbRooNTupleSimpleImplR.cc"
#endif
#endif /* BABAR_COMP_INST */

#endif /* CDBROOTABLE_NTUPLE_SIMPLE_IMPL_R_RDL */

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