---

CdbBdbSViewCollectionP.cc

Go to the documentation of this file.

// File and Version Information:
//      $Id: CdbBdbSViewCollectionP.cc,v 1.8 2004/08/06 05:54:25 bartoldu Exp $

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

#include "BaBar/BaBar.hh"

#include "CdbBdbShared/CdbBdbSViewCollectionP.hh"
#include "CdbBdbShared/CdbBdbSViewP.hh"

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

CdbBdbSViewCollectionP::CdbBdbSViewCollectionP( ) :
    CdbBdbSCollectionP( ),
    _newestRef(0)
{ }

CdbBdbSViewCollectionP::~CdbBdbSViewCollectionP( ) 
{ }

CdbStatus
CdbBdbSViewCollectionP::insert( const BdbRef( CdbBdbSCollectionElementP )& theRef )
{
    const char* errorStr = "CdbBdbSViewCollectionP::insert() -- ERROR";

    CdbStatus result = CdbStatus::Error;
    do {

      // Verify parameters

        if( BdbIsNull(theRef)) {
            cout << errorStr << endl
                 << "    0-0-0-0 reference passed to the collection." << endl;
            break;
        }

      // Get back to the original class.

        BdbRef(CdbBdbSViewP) vRef = (const BdbRef(CdbBdbSViewP)&) theRef;

      // 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.

        BdbRef( CdbBdbSCollectionElementP ) oldNewestRef = _newestRef;

        if( BdbIsNull(_newestRef)) {
            _newestRef = theRef;
        } else {
            BdbRef(CdbBdbSViewP) vNewestRef = (const BdbRef(CdbBdbSViewP)&) _newestRef;
            if( vRef->created( ) > vNewestRef->created( )) {
                _newestRef = theRef;
            }
        }

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

        result = CdbBdbSCollectionP::insert( theRef );
        if( CdbStatus::Success != result ) {
            _newestRef = oldNewestRef;
        }

    } while( false );

    return result;
}

CdbStatus
CdbBdbSViewCollectionP::newest( BdbRef( CdbBdbSCollectionElementP )& theRef )
{
    if( BdbIsNull(_newestRef)) {
        theRef = 0;
        return CdbStatus::NotFound;
    }
    theRef = _newestRef;
    return CdbStatus::Success;
}


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

---