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CdbRooRoViewCollectionR.cc

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// File and Version Information:
//      $Id: CdbRooRoViewCollectionR.cc,v 1.5 2004/12/08 17:36:47 gapon Exp $

/// The implementation file for the CdbRooRoViewCollectionR class
/**
  * @see CdbRooRoViewCollectionR
  */

#include "BaBar/BaBar.hh"

#include "CdbRooReadonly/CdbRooRoViewCollectionR.hh"

#include <iostream>
#include <assert.h>
using std::cout;
using std::cerr;
using std::endl;

CdbRooRoViewCollectionR::CdbRooRoViewCollectionR( ) :
    CdbRooRoNameIdCollectionR< CdbRooRoViewR > ( ),
    _newestId(0xFFFF)
{ }

CdbRooRoViewCollectionR::~CdbRooRoViewCollectionR( ) 
{ }

CdbStatus
CdbRooRoViewCollectionR::add( const CdbRooRoViewR& theRef )
{
    const char* errorStr = "CdbRooRoViewCollectionR::add() -- FATAL ERROR";

    CdbStatus result = CdbStatus::Error;

  // Update the "newest" element if the passed one qualifies for this criteria.
  //
  // NOTE: The update of the "newest" is revertable in case if something wrong
  //       happens during the insertion into the collection.

    UShort_t oldNewestId = _newestId;

    if( 0 == size( )) {
        _newestId = theRef.id( );
    } else {

        CdbRooRoViewR view;
        if( CdbStatus::Success != ( result = find( _newestId,
                                                   view ))) {
            cerr << errorStr << endl
                 << "    Inconsistent data structures." << endl;

            return result;
        }
        if( theRef.created( ) > view.created( )) {
            _newestId = theRef.id( );
        }
    }

  // Do the rest at the base class's method.

    if( CdbStatus::Success != ( result = CdbRooRoNameIdCollectionR< CdbRooRoViewR >::add( theRef ))) {

        cerr << errorStr << endl
             << "    Failed to add new view with ID = " << theRef.id( ) << endl;

        _newestId = oldNewestId;

        return result;
    }
    return CdbStatus::Success;
}

CdbStatus
CdbRooRoViewCollectionR::newest( CdbRooRoViewR& theRef )
{
    if( 0 == size( )) return CdbStatus::NotFound;
    return find( _newestId,
                 theRef );
}

CdbStatus
CdbRooRoViewCollectionR::newest( CdbCPtr< CdbRooRoViewR >& thePtr )
{
    if( 0 == size( )) return CdbStatus::NotFound;
    return find( _newestId,
                 thePtr );
}

/////////////////
// End Of File //
/////////////////

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