| using System;␊ |
| using System.Collections.Generic;␊ |
| using System.Linq;␊ |
| using System.Text;␊ |
| ␊ |
| namespace flyweightexample␊ |
| {␊ |
| public interface IShape␊ |
| {␊ |
| void Print();␊ |
| }␊ |
| ␊ |
| public class Rectangle : IShape␊ |
| {␊ |
| public void Print()␊ |
| {␊ |
| Console.WriteLine("Printing Rectangle");␊ |
| }␊ |
| }␊ |
| ␊ |
| public class Cricle : IShape␊ |
| {␊ |
| public void Print()␊ |
| {␊ |
| Console.WriteLine("Printing Circle");␊ |
| }␊ |
| }␊ |
| ␊ |
| public class ShapeObjectFactory␊ |
| {␊ |
| Dictionary<string, IShape> shapes = new Dictionary<string, IShape>();␊ |
| ␊ |
| public int TotalObjectsCreated()␊ |
| {␊ |
| return shapes.Count;␊ |
| }␊ |
| ␊ |
| public IShape GetShape(string ShapeName)␊ |
| {␊ |
| IShape shape = null;␊ |
| if (shapes.ContainsKey(ShapeName))␊ |
| {␊ |
| shape = shapes[ShapeName];␊ |
| }␊ |
| else␊ |
| {␊ |
| switch (ShapeName)␊ |
| {␊ |
| case "Rectangle":␊ |
| shape = new Rectangle();␊ |
| shapes.Add("Rectangle", shape);␊ |
| break;␊ |
| case "Circle":␊ |
| shape = new Cricle();␊ |
| shapes.Add("Circle", shape);␊ |
| break;␊ |
| default:␊ |
| throw new Exception("Factory cannot create the object specified");␊ |
| }␊ |
| }␊ |
| return shape;␊ |
| }␊ |
| }␊ |
| class Program␊ |
| {␊ |
| static void Main(string[] args)␊ |
| {␊ |
| ShapeObjectFactory sof = new ShapeObjectFactory();␊ |
| ␊ |
| IShape shape = sof.GetShape("Rectangle");␊ |
| shape.Print();␊ |
| shape = sof.GetShape("Rectangle");␊ |
| shape.Print();␊ |
| shape = sof.GetShape("Circle");␊ |
| shape.Print();␊ |
| shape = sof.GetShape("Circle");␊ |
| shape.Print();␊ |
| ␊ |
| Console.WriteLine("\nTotal Number of objects created = {0}", sof.TotalObjectsCreated());␊ |
| }␊ |
| }␊ |
| }␊ |
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