Aggregation.h

Go to the documentation of this file.

/*
 *  Copyright (C) 2010 - 2015 Leonid Kostrykin
 *
 *  Chair of Medical Engineering (mediTEC)
 *  RWTH Aachen University
 *  Pauwelsstr. 20
 *  52074 Aachen
 *  Germany
 *
 */

#ifndef AGGREGATION_H_6014714286
#define AGGREGATION_H_6014714286

#include <Carna/base/Association.h>

namespace Carna
{

namespace base
{



// ----------------------------------------------------------------------------------
// Aggregation
// ----------------------------------------------------------------------------------

template< typename AssociatedObjectType >
class Aggregation : public Association< AssociatedObjectType >
{

    Aggregation()
        : Association< AssociatedObjectType >( nullptr )
    {
    }

public:

    const static Aggregation< AssociatedObjectType > NULL_PTR;

    static Aggregation< AssociatedObjectType > createNullPtr()
    {
        return Aggregation< AssociatedObjectType >();
    }

    explicit Aggregation( AssociatedObjectType& associatedObject )
        : Association< AssociatedObjectType >( &associatedObject )
    {
    }

    Aggregation( const Aggregation< AssociatedObjectType >& other )
        : Association< AssociatedObjectType >( other.get() )
    {
    }

}; // Aggregation


template< typename AssociatedObjectType >
const Aggregation< AssociatedObjectType > Aggregation< AssociatedObjectType >::NULL_PTR
    ( Aggregation< AssociatedObjectType >::createNullPtr() );



}  // namespace Carna :: base

}  // namespace Carna

#endif // AGGREGATION_H_6014714286