Visitor_Visitor_Class.h

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#pragma once
#ifndef __VISITOR_VISITOR_CLASS_H__
#define __VISITOR_VISITOR_CLASS_H__
 
#include "helpers/stringlist.h"
 
#include "Visitor_Element_Classes.h"
 
namespace DesignPatternExamples_cpp
{
 
    class OrderVisitor : public Visitor
    {
    protected:
        StringList ItemsToOrder;
 
    public:
        StringList ItemsReceived;
 
        std::string ShopNameReceivedFrom;
 
        OrderVisitor(StringList itemsToOrder)
            : ItemsToOrder(itemsToOrder)
        {
        }
 
        void VisitBaker(Visitor_Baker* shop) override
        {
            if (shop != nullptr)
            {
                if (shop->PlaceOrder(ItemsToOrder))
                {
                    shop->PickupOrder(ItemsToOrder, ItemsReceived);
                    ShopNameReceivedFrom = shop->Name();
                }
            }
        }
 
        void VisitButcher(Visitor_Butcher* shop) override
        {
            if (shop != nullptr)
            {
                if (shop->PlaceOrder(ItemsToOrder))
                {
                    shop->PickupOrder(ItemsToOrder, ItemsReceived);
                    ShopNameReceivedFrom = shop->Name();
                }
            }
        }
 
        void VisitPickleGrocer(Visitor_PickleGrocer* shop) override
        {
            if (shop != nullptr)
            {
                if (shop->PlaceOrder(ItemsToOrder))
                {
                    shop->PickupOrder(ItemsToOrder, ItemsReceived);
                    ShopNameReceivedFrom = shop->Name();
                }
            }
        }
 
        void VisitCondimentGrocer(Visitor_CondimentGrocer* shop) override
        {
            if (shop != nullptr)
            {
                if (shop->PlaceOrder(ItemsToOrder))
                {
                    shop->PickupOrder(ItemsToOrder, ItemsReceived);
                    ShopNameReceivedFrom = shop->Name();
                }
            }
        }
 
        void VisitVegetableGrocer(Visitor_VegetableGrocer* shop) override
        {
            if (shop != nullptr)
            {
                if (shop->PlaceOrder(ItemsToOrder))
                {
                    shop->PickupOrder(ItemsToOrder, ItemsReceived);
                    ShopNameReceivedFrom = shop->Name();
                }
            }
        }
 
        void VisitMaker(Visitor_Maker* shop) override
        {
            if (shop != nullptr)
            {
                if (shop->PlaceOrder(ItemsToOrder))
                {
                    shop->PickupOrder(ItemsToOrder, ItemsReceived);
                    ShopNameReceivedFrom = shop->Name();
                }
            }
        }
 
        void VisitRestaurant(Visitor_Restaurant* shop) override
        {
            if (shop != nullptr)
            {
                if (shop->PlaceOrder(ItemsToOrder))
                {
                    shop->PickupOrder(ItemsToOrder, ItemsReceived);
                    ShopNameReceivedFrom = shop->Name();
                }
            }
        }
    };
 
} // end namespace
 
#endif // __VISITOR_VISITOR_CLASS_H__