Observer design pattern

oguzhanKomcu · Mar 20, 2022 · 4372bfd · 4372bfd
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diff --git a/Behavioral_Patterns/Observer_Design_Pattern/App.config b/Behavioral_Patterns/Observer_Design_Pattern/App.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>
diff --git a/Behavioral_Patterns/Observer_Design_Pattern/IObserver.cs b/Behavioral_Patterns/Observer_Design_Pattern/IObserver.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Observer_Design_Pattern
+{
+    public  interface IObserver
+    {
+
+        void Update();
+    }
+}
diff --git a/Behavioral_Patterns/Observer_Design_Pattern/MobilApp.cs b/Behavioral_Patterns/Observer_Design_Pattern/MobilApp.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Observer_Design_Pattern
+{
+    public class MobilApp : IObserver
+    {
+        public void Update()
+        {
+            Console.WriteLine("New news has been added to the application.");
+        }
+    }
+}
diff --git a/Behavioral_Patterns/Observer_Design_Pattern/News_Website.cs b/Behavioral_Patterns/Observer_Design_Pattern/News_Website.cs
@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Observer_Design_Pattern
+{
+    public  class News_Website
+    {
+
+        public string News_Name { get; set; }      
+        public string Explanation { get; set; }
+
+
+
+        public bool New_News { get; set; }      
+
+
+
+        List<IObserver> observers;
+        public News_Website()
+        {
+            this.observers = new List<IObserver>();
+        }
+        //Gözlemci ekle
+        public void Client_Add(IObserver observer)
+        {
+            observers.Add(observer);
+        }
+        //Gözlemci çıkar
+
+        public void Notify()
+        {
+            observers.ForEach(g =>
+            {
+                g.Update();
+            });
+        }
+
+    }
+}
diff --git a/Behavioral_Patterns/Observer_Design_Pattern/Observer_Design_Pattern.csproj b/Behavioral_Patterns/Observer_Design_Pattern/Observer_Design_Pattern.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>{05577F65-2CC7-4B2C-871C-3D7424FAE50C}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>Observer_Design_Pattern</RootNamespace>
+    <AssemblyName>Observer_Design_Pattern</AssemblyName>
+    <TargetFrameworkVersion>v4.7.2</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="News_Website.cs" />
+    <Compile Include="Website.cs" />
+    <Compile Include="MobilApp.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="IObserver.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>
diff --git a/Behavioral_Patterns/Observer_Design_Pattern/Program.cs b/Behavioral_Patterns/Observer_Design_Pattern/Program.cs
@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Observer_Design_Pattern
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            News_Website news_Website = new News_Website();
+            news_Website.News_Name = "Looking for new in technology";
+            news_Website.Explanation = "Oğuzhan's new product was met with great interest and received a lot of investment.";
+            news_Website.New_News = true;
+
+
+            if (news_Website.New_News == true)
+            {
+                news_Website.Client_Add(new MobilApp());
+                news_Website.Client_Add(new Website());
+                news_Website.Notify();
+            }
+
+
+
+            Console.ReadKey(true);
+        }
+    }
+}
diff --git a/Behavioral_Patterns/Observer_Design_Pattern/Properties/AssemblyInfo.cs b/Behavioral_Patterns/Observer_Design_Pattern/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("Observer_Design_Pattern")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Observer_Design_Pattern")]
+[assembly: AssemblyCopyright("Copyright ©  2022")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("05577f65-2cc7-4b2c-871c-3d7424fae50c")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/Behavioral_Patterns/Observer_Design_Pattern/Website.cs b/Behavioral_Patterns/Observer_Design_Pattern/Website.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Observer_Design_Pattern
+{
+    public class Website : IObserver
+    {
+        public void Update()
+        {
+            Console.WriteLine("The new news has been added to the website.");
+        }
+    }
+}
diff --git a/Design_Patterns.sln b/Design_Patterns.sln
@@ -49,6 +49,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Command_Design_Pattern", "B
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mediator_Design_Pattern", "Behavioral_Patterns\Mediator_Design_Pattern\Mediator_Design_Pattern.csproj", "{89783D14-ECD8-4E4D-B989-661C2CD39A0B}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Observer_Design_Pattern", "Behavioral_Patterns\Observer_Design_Pattern\Observer_Design_Pattern.csproj", "{05577F65-2CC7-4B2C-871C-3D7424FAE50C}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -135,6 +137,10 @@ Global
 		{89783D14-ECD8-4E4D-B989-661C2CD39A0B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{89783D14-ECD8-4E4D-B989-661C2CD39A0B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{89783D14-ECD8-4E4D-B989-661C2CD39A0B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{05577F65-2CC7-4B2C-871C-3D7424FAE50C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{05577F65-2CC7-4B2C-871C-3D7424FAE50C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{05577F65-2CC7-4B2C-871C-3D7424FAE50C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{05577F65-2CC7-4B2C-871C-3D7424FAE50C}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -160,6 +166,7 @@ Global
 		{06E51817-B94D-4B5D-8D29-1467BBC5F9C9} = {10745606-4276-4495-9FCF-AE66FC290967}
 		{59B75CF2-DD4C-4430-87C6-3D76CBD2B1D6} = {10745606-4276-4495-9FCF-AE66FC290967}
 		{89783D14-ECD8-4E4D-B989-661C2CD39A0B} = {10745606-4276-4495-9FCF-AE66FC290967}
+		{05577F65-2CC7-4B2C-871C-3D7424FAE50C} = {10745606-4276-4495-9FCF-AE66FC290967}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {27914C2F-2242-4208-A01C-EEA1986870B6}