list_interface.h

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// Based on "Design Patterns: Elements of Reusable Object-Oriented Software"
// book by Erich Gamma, John Vlissides, Ralph Johnson, and Richard Helm 
//
// Created by Bartosz Rachwal. The National Institute of Advanced Industrial Science and Technology, Japan.

#ifndef OPERATIONAL_ITERATOR_LIST_INTERFACE_H_
#define OPERATIONAL_ITERATOR_LIST_INTERFACE_H_

namespace operational
{
namespace iterator
{
template<class Item>
class ListInterface
{
    public:
    virtual ~ListInterface() { }

    virtual long Count() const = 0;

    virtual Item &Get(long index) const = 0;
    virtual Item &First() const = 0;
    virtual Item &Last() const = 0;

    virtual bool Includes(const Item& anItem) const = 0;

    virtual void Append(const Item& anItem) = 0;
    virtual void Prepend(const Item& anItem) = 0;

    virtual void Remove(const Item& anItem) = 0;
    virtual void RemoveAt(long index) = 0;
    virtual void RemoveLast() = 0;
    virtual void RemoveFirst() = 0;
    virtual void RemoveAll() = 0;

    virtual Item &Top() const = 0;

    virtual void Push(const Item& anItem) = 0;

    virtual Item &Pop() = 0;
};
}
}

#endif