bridge pattern

DesignPattern/Bridge/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/Bridge/Bridge.csproj

@@ -0,0 +1,59 @@
+<?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>{ABFD30C8-C2C5-4142-9E64-2CC65FEBBF7A}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>Bridge</RootNamespace>
+    <AssemblyName>Bridge</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="INetworkAbstraction.cs" />
+    <Compile Include="INetworkImplementor.cs" />
+    <Compile Include="NetworkAbstraction.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="WiFiImplementor.cs" />
+    <Compile Include="_4GImplementor.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

DesignPattern/Bridge/Client.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Bridge
+{
+	class Client
+	{
+		public void HowToUse()
+		{
+			INetworkAbstraction net = new NetworkAbstraction();
+			net.Network = GetNetwork();
+			net.SendReceive(Encoding.UTF8.GetBytes("DATA 🔥"));
+		}
+
+		private INetworkImplementor GetNetwork()
+		{
+			Random rnd = new Random();
+			if (rnd.Next() % 2 == 0)
+				return new WiFiImplementor();
+			else
+				return new _4GImplementor();
+		}
+	}
+}

DesignPattern/Bridge/INetworkAbstraction.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Bridge
+{
+	interface INetworkAbstraction
+	{
+		INetworkImplementor Network { get; set; }
+		void SendReceive(byte[] data);
+	}
+}

DesignPattern/Bridge/INetworkImplementor.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Bridge
+{
+	interface INetworkImplementor
+	{
+		bool Connect();
+		void Send(byte[] data);
+		byte[] Receive();
+		bool Disconnect();
+	}
+}

DesignPattern/Bridge/NetworkAbstraction.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Bridge
+{
+	class NetworkAbstraction : INetworkAbstraction
+	{
+		public INetworkImplementor Network { get; set; }
+
+		public void SendReceive(byte[] bytes)
+		{
+			this.Network.Connect();
+			this.Network.Send(bytes);
+			bytes = this.Network.Receive();
+			this.Network.Disconnect();
+		}
+	}
+}

DesignPattern/Bridge/Program.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Bridge
+{
+	/*
+	 * 카테고리: 구조패턴
+	 * 개요: 실제 로직을 담은 구현 클래스를 직접 호출하는 대신,
+	 * 구현체로부터 추상층 클래스를 분리하여 클라이언트는 이 추상층 클래스를 거쳐 구현 클래스를 사용하도록 함
+	 * 이를 통해 클라이언트는 여러 구현체 중 어떤 구현체 클래스를 사용할 지 선택할 수 있음
+	 */
+	class Program
+	{
+		static void Main(string[] args)
+		{
+			Client client = new Client();
+			client.HowToUse();
+
+			Console.ReadKey();
+		}
+	}
+}

DesignPattern/Bridge/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("Bridge")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Bridge")]
+[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("abfd30c8-c2c5-4142-9e64-2cc65febbf7a")]
+
+// 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/Bridge/WiFiImplementor.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Bridge
+{
+	class WiFiImplementor : INetworkImplementor
+	{
+		private byte[] data;
+		public bool Connect()
+		{
+			Console.WriteLine("WiFi: Connect");
+			return true;
+		}
+
+		public bool Disconnect()
+		{
+			Console.WriteLine("WiFi: Disconnect");
+			return true;
+		}
+
+		public byte[] Receive()
+		{
+			return this.data;
+		}
+
+		public void Send(byte[] data)
+		{
+			this.data = data;
+			Console.WriteLine($"WiFi: Send");
+			foreach (byte b in data)
+			{
+				Console.Write($"{b.ToString("X2")} ");
+			}
+			Console.WriteLine();
+		}
+	}
+}

DesignPattern/Bridge/_4GImplementor.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Bridge
+{
+	class _4GImplementor : INetworkImplementor
+	{
+		private byte[] data;
+		public bool Connect()
+		{
+			Console.WriteLine("4G: Connect");
+			return true;
+		}
+
+		public bool Disconnect()
+		{
+			Console.WriteLine("4G: Disconnect");
+			return true;
+		}
+
+		public byte[] Receive()
+		{
+			return data;
+		}
+
+		public void Send(byte[] data)
+		{
+			this.data = data;
+			Console.WriteLine($"4G: Send");
+			foreach (byte b in data)
+			{
+				Console.Write($"{b.ToString("X2")} ");
+			}
+			Console.WriteLine();
+		}
+	}
+}

DesignPattern/DesignPattern.sln

@@ -15,6 +15,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ObjectPool", "ObjectPool\Ob
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Adapter", "Adapter\Adapter.csproj", "{B7ADC626-22C7-4BE8-9385-ABA3AD428878}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bridge", "Bridge\Bridge.csproj", "{ABFD30C8-C2C5-4142-9E64-2CC65FEBBF7A}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +47,10 @@ Global
 		{B7ADC626-22C7-4BE8-9385-ABA3AD428878}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B7ADC626-22C7-4BE8-9385-ABA3AD428878}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B7ADC626-22C7-4BE8-9385-ABA3AD428878}.Release|Any CPU.Build.0 = Release|Any CPU
+		{ABFD30C8-C2C5-4142-9E64-2CC65FEBBF7A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{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
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE