composite pattern

DesignPattern/Composite/App.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" />
+    </startup>
+</configuration>

DesignPattern/Composite/Client.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Composite
+{
+	class Client
+	{
+		public static void HowToTest()
+		{
+			Directory dir = new Directory("Folder");
+			File file1 = new File("a1.doc");
+			File file2 = new File("a2.doc");
+			File file3 = new File("a3.doc");
+			Directory sub = new Directory("SubFolder");
+
+			dir.AddChildren(file1);
+			dir.AddChildren(file2);
+			dir.AddChildren(file3);
+			dir.AddChildren(sub);
+
+			DisplayNode(file2, dir);
+		}
+
+		static void DisplayNode(params Node[] component)
+		{
+			foreach (Node item in component)
+			{
+				item.Display();
+			}
+		}
+	}
+}

DesignPattern/Composite/Composite.csproj

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{52E6E6B5-8A12-4A92-8A38-8697247F4CA2}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>Composite</RootNamespace>
+    <AssemblyName>Composite</AssemblyName>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Client.cs" />
+    <Compile Include="Directory.cs" />
+    <Compile Include="File.cs" />
+    <Compile Include="Node.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

DesignPattern/Composite/Directory.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Composite
+{
+	class Directory : Node
+	{
+		private List<Node> children = new List<Node>();
+
+		public Directory(string name)
+		{
+			Name = name;
+		}
+
+		public override void Display()
+		{
+			Console.WriteLine($"DIR: {Name}");
+			foreach (Node comp in children)
+			{
+				comp.Display();
+			}
+		}
+
+		public void AddChildren(Node child)
+		{
+			if (child != null)
+				children.Add(child);
+		}
+	}
+}

DesignPattern/Composite/File.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Composite
+{
+	class File : Node
+	{
+		public File(string name)
+		{
+			Name = name;
+		}
+
+		public override void Display()
+		{
+			Console.WriteLine($"FILE: {Name}");
+		}
+	}
+}

DesignPattern/Composite/Node.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Composite
+{
+	abstract class Node
+	{
+		public string Name { get; protected set; }
+		public abstract void Display();
+	}
+}

DesignPattern/Composite/Program.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Composite
+{
+	/*
+	 * 카테고리: 구조 패턴
+	 * 개요: 객체나 객체들의 그룹을 클라이언트 입장에서 동일하게 취급하고 사용할 수 있게 함.
+	 * 개별 객체(Leaf)나 객체 그룹(Composite)을 트리 구조로 만들어 계층을 표현함.
+	 * 개별 객체나 객체 그룹은 Component 인터페이스를 통해 leaf든 composite이든 구분 없이 클라이언트에 사용됨.
+	 */
+	class Program
+	{
+		static void Main(string[] args)
+		{
+			Client.HowToTest();
+
+			Console.ReadKey();
+		}
+	}
+}

DesignPattern/Composite/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// 어셈블리에 대한 일반 정보는 다음 특성 집합을 통해 
+// 제어됩니다. 어셈블리와 관련된 정보를 수정하려면
+// 이러한 특성 값을 변경하세요.
+[assembly: AssemblyTitle("Composite")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Composite")]
+[assembly: AssemblyCopyright("Copyright ©  2022")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// ComVisible을 false로 설정하면 이 어셈블리의 형식이 COM 구성 요소에 
+// 표시되지 않습니다. COM에서 이 어셈블리의 형식에 액세스하려면
+// 해당 형식에 대해 ComVisible 특성을 true로 설정하세요.
+[assembly: ComVisible(false)]
+
+// 이 프로젝트가 COM에 노출되는 경우 다음 GUID는 typelib의 ID를 나타냅니다.
+[assembly: Guid("52e6e6b5-8a12-4a92-8a38-8697247f4ca2")]
+
+// 어셈블리의 버전 정보는 다음 네 가지 값으로 구성됩니다.
+//
+//      주 버전
+//      부 버전 
+//      빌드 번호
+//      수정 버전
+//
+// 모든 값을 지정하거나 아래와 같이 '*'를 사용하여 빌드 번호 및 수정 번호를
+// 기본값으로 할 수 있습니다.
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

DesignPattern/DesignPattern.sln

@@ -17,6 +17,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Adapter", "Adapter\Adapter.
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bridge", "Bridge\Bridge.csproj", "{ABFD30C8-C2C5-4142-9E64-2CC65FEBBF7A}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Composite", "Composite\Composite.csproj", "{52E6E6B5-8A12-4A92-8A38-8697247F4CA2}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -51,6 +53,10 @@ Global
 		{ABFD30C8-C2C5-4142-9E64-2CC65FEBBF7A}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{ABFD30C8-C2C5-4142-9E64-2CC65FEBBF7A}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{ABFD30C8-C2C5-4142-9E64-2CC65FEBBF7A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{52E6E6B5-8A12-4A92-8A38-8697247F4CA2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{52E6E6B5-8A12-4A92-8A38-8697247F4CA2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{52E6E6B5-8A12-4A92-8A38-8697247F4CA2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{52E6E6B5-8A12-4A92-8A38-8697247F4CA2}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE