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CdbBdbObjectVisitorContext.cc

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// File and Version Information:
//      $Id: CdbBdbObjectVisitorContext.cc,v 1.5 2004/10/21 20:35:50 gapon Exp $
#include "BaBar/BaBar.hh"

/// The implementation of the CdbBdbObjectVisitorContext.
/**
  * @see CdbBdbObjectVisitorContext
  */

#include "BaBar/BaBar.hh"

#include "CdbBdb/CdbBdbObjectVisitorContext.hh"

#include <assert.h>

#include <iostream>
using std::cerr;
using std::endl;

CdbBdbObjectVisitorContext::CdbBdbObjectVisitorContext( )
{ }

CdbBdbObjectVisitorContext::~CdbBdbObjectVisitorContext( )
{ }

void
CdbBdbObjectVisitorContext::reset( )
{
    _elements.clear( );
}

void
CdbBdbObjectVisitorContext::push( const CdbBdbObjectVisitorContext::Element& theElement )
{
    _elements.push_back( theElement );
}

void
CdbBdbObjectVisitorContext::pop( )
{
    if( size( ) > 0 ) _elements.pop_back( );
}

const CdbBdbObjectVisitorContext::Element&
CdbBdbObjectVisitorContext::first( ) const
{
    if( size( ) <= 0 ) {
        std::cerr << "CdbBdbObjectVisitorContext::first( ) -- an incorrect use of the method. No elements" << std::endl
                  << "in the object's context." << std::endl;
        ::abort( );
    }
    return _elements[0];
}

const CdbBdbObjectVisitorContext::Element&
CdbBdbObjectVisitorContext::last( ) const
{
    if( size( ) <= 0 ) {
        std::cerr << "CdbBdbObjectVisitorContext::last( ) -- an incorrect use of the method. No elements" << std::endl
                  << "in the object's context." << std::endl;
        ::abort( );
    }
    return _elements[size( ) - 1];
}

size_t
CdbBdbObjectVisitorContext::size( ) const
{
    return _elements.size( );
}

const CdbBdbObjectVisitorContext::Element&
CdbBdbObjectVisitorContext::operator[]( size_t theIndex ) const
{
    if( theIndex >= size( ) ) {
        std::cerr << "CdbBdbObjectVisitorContext::operator[] -- an incorrect use of the method. The index " << theIndex << " passed" << std::endl
                  << "to the method is beyond the number of elements " << size( ) << "." << std::endl;
        ::abort( );
    }
    return _elements[theIndex];
}

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

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