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namespace ConsoleApplication1 { class Program { static void Main(string[] args) { //ConcreateBuilderはBuilderで提供されたインターフェースのみ。 //DirectorにConcreateBuilderのインスタンスを渡す。 Director d = new Director(new ConcreateBuilder()); /* Directorは内部Concstructの中で、 BuilderインターフェースのBuildPart,GetResultを呼び出す。*/ } } /* Builder Directorは作成過程を決定、Builderは表現形式を決定する。*/ class Product{} abstract class Builder { abstract public void BuildPart(); abstract public Product GetResult(); } class ConcreateBuilder: Builder { Product product; public ConcreateBuilder() { this.product = new Product(); } public override Product GetResult() { return product; } public override void BuildPart() { //処理 } } class DiffConcreateBuilder : Builder { Product product; public DiffConcreateBuilder() { this.product = new Product(); } public override Product GetResult() { return product; } public override void BuildPart() { //チョット違う処理 } } class Director { Builder builder; public Director(Builder builder) { this.builder = builder; } public object Construct() { this.builder.BuildPart(); return this.builder.GetResult(); } } } |