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Item.cs
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Item.cs
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using System;
using System.Collections.Generic;
using System.Text;
namespace CourseWork
{
public enum ITEM_TYPE
{
ITEM = 0,
BANKNOTE = 1,
}
public interface IDisplay
{
string DisplayInfo(string name, int facevalue);
}
class WithdrawDisplay : IDisplay
{
public string DisplayInfo(string name, int facevalue)
{
return $"-- {name} ({facevalue})";
}
}
class OnCheckDisplay : IDisplay
{
public string DisplayInfo(string name, int facevalue)
{
return $"+ {facevalue} -- {name}";
}
}
public abstract class Item
{
private string name;
private int facevalue;
protected ITEM_TYPE type;
private IDisplay _display;
public string Name
{
get { return name; }
set { name = value; }
}
public int Facevalue
{
get { return facevalue; }
set { facevalue = value; }
}
public ITEM_TYPE Type
{
get { return type; }
set { type = value; }
}
public void SetDisplay(IDisplay display)
{
this._display = display;
}
public string DisplayInfo(Item item)
{
return this._display.DisplayInfo(item.Name, item.Facevalue);
}
public Item(string name, int facevalue, IDisplay display)
{
Name = name;
Facevalue = facevalue;
type = ITEM_TYPE.ITEM;
_display = display;
}
public override bool Equals(object other)
{
Item item = other as Item;
if (item.Name == name)
{
return true;
}
else
{
return false;
}
}
public override int GetHashCode()
{
return name.GetHashCode();
}
}
public class Banknote: Item
{
public Banknote(string name, int facevalue, IDisplay display) : base(name, facevalue, display)
{
type = ITEM_TYPE.BANKNOTE;
}
}
}