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/CdbBase/CdbItr.cc

Go to the documentation of this file.

/// The implementation of the CdbItr class.
/**
  * @see CdbItr
  */

#include "BaBar/BaBar.hh"

#include "CdbBase/CdbItr.hh"

#include <assert.h>
#include <string.h>
#include <iostream.h>

template < typename T >
CdbItr<T>::CdbItr( ) :
    _myItr(0)
{
}

template < typename T >
CdbItr<T>::CdbItr( const CdbItr<T>& theItr ) :
    _myItr(0)
{
    set( theItr._myItr );
}

template < typename T >
CdbItr<T>::CdbItr( InterfaceType* thePtr ) :
    _myItr(thePtr)
{ }

template < typename T >
CdbItr<T>::~CdbItr( )
{
    if( 0 != _myItr ) delete _myItr;
}

template < typename T >
CdbItr<T>&
CdbItr<T>::operator=( const CdbItr<T>& theItr )
{
    if( this != &theItr ) set( theItr._myItr );
    return *this;
}

/*
template < typename T >
CdbItr<T>&
CdbItr<T>::operator=( const InterfaceType* thePtr )
{
    set( thePtr );
    return *this;
}
*/

template < typename T >
CdbStatus
CdbItr<T>::reset( )
{
    if( 0 == _myItr ) return CdbStatus::Error;
    return _myItr->reset( );
}

template < typename T >
bool
CdbItr<T>::next( )
{
    if( 0 == _myItr ) return false;
    return _myItr->next( );
}

template < typename T >
CdbItr<T>::ValueType
CdbItr<T>::value( )
{
    assert( 0 != _myItr );

    if( 0 == _myItr )
        cout << "CdbItr<T>::value( ) -- ERROR." << endl
             << "    This is an attempt to use an iterator which was not" << endl
             << "    properly initialized. Expect the core dump." << endl;

    return _myItr->value( );
}

template < typename T >
bool
CdbItr<T>::isValid( )
{
    return ( 0 != _myItr ) && _myItr->isValid( );
}

template < typename T >
CdbItr<T>::InterfaceType*
CdbItr<T>::clone( ) const
{
    return new CdbItr<T>( *this );
}

template < typename T >
void
CdbItr<T>::set( const InterfaceType* thePtr )
{
    if( thePtr != _myItr ) {
        if( 0 != _myItr ) {
            delete _myItr;
            _myItr = 0;
        }
        if( 0 != thePtr ) _myItr = thePtr->clone( );
    }
}

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

 

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Last Update: October 04, 2002