📄 cdo.hpp
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// CDO.hpp
//
// Simple Product composite class using the STL list class.
// The composite stores Product pointers. It does it's own memory management.
//
// (C) Datasim Education BV
#ifndef CDO_hpp
#define CDO_hpp
#include "Product.hpp"
#include <list>
using namespace std;
class CDO: public Product
{
private:
// The Productlist using the STL list
std::list<Product*> sl;
void Copy(const CDO& source); // Copy the source composite to this Product composite
public:
// User can use the STL iterator
typedef std::list<Product*>::iterator iterator;
typedef std::list<Product*>::const_iterator const_iterator;
// Constructors and destructor
CDO(); // Default constructor
CDO(const CDO& source); // Copy constructor
virtual ~CDO(); // Destructor
// Iterator functions
iterator Begin(); // Return iterator at begin of composite
const_iterator Begin() const; // Return const iterator at begin of composite
iterator End(); // Return iterator after end of composite
const_iterator End() const; // Return const iterator after end of composite
// Selectors
int Count() const; // The number of Products in the list
// Add functions
void AddFront(Product* s); // Add Product at the beginning of Productlist. No copy is made but composite takes care of deletion.
void AddBack(Product* s); // Add Product at the end of Productlist. No copy is made but composite takes care of deletion.
// Remove functions
void RemoveFirst(); // Remove first Product
void RemoveLast(); // Remove last Product
void RemoveAll(); // Remove all Products from the list
// Special copy function to create a copy of a Product when you only have a Product pointer
virtual Product* Clone() const; // Create a copy of the Product
// void Accept(CDOVisitor& v); // Accept a visitor
// Operators
CDO& operator = (const CDO& source);
};
#endif // CDO_hpp
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