Association.hpp

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/*
 *  Copyright (C) 2010 - 2016 Leonid Kostrykin
 *
 *  Chair of Medical Engineering (mediTEC)
 *  RWTH Aachen University
 *  Pauwelsstr. 20
 *  52074 Aachen
 *  Germany
 * 
 * 
 *  Copyright (C) 2021 - 2025 Leonid Kostrykin
 * 
 */
 
#ifndef ASSOCIATION_H_6014714286
#define ASSOCIATION_H_6014714286
 
#include <LibCarna/LibCarna.hpp>
#include <LibCarna/base/noncopyable.hpp>
 
namespace LibCarna
{
 
namespace base
{
 
 
 
// ----------------------------------------------------------------------------------
// Association
// ----------------------------------------------------------------------------------
 
template< typename AssociatedObjectType >
class Association
{
 
    NON_COPYABLE
 
public:
 
    virtual ~Association()
    {
    }
 
    AssociatedObjectType* get() const
    {
        return associatedObject;
    }
 
    AssociatedObjectType* operator->() const
    {
        return this->get();
    }
 
    AssociatedObjectType& operator*() const
    {
        return *this->get();
    }
    
    operator bool() const
    {
        return this->get() != nullptr;
    }
 
    void forget()
    {
        associatedObject = 0;
    }
 
protected:
 
    explicit Association( AssociatedObjectType* associatedObject = nullptr )
        : associatedObject( associatedObject )
    {
    }
 
private:
 
    AssociatedObjectType* associatedObject;
 
}; // Association
 
 
 
}  // namespace LibCarna :: base
 
}  // namespace LibCarna
 
 
 
template< typename AssociatedObjectType >
bool operator==( const LibCarna::base::Association< AssociatedObjectType >& l, const LibCarna::base::Association< AssociatedObjectType >& r )
{
    return l.get() == r.get();
}
 
 
 
#endif // ASSOCIATION_H_6014714286