Observer Design Pattern

Weather Station : to illustrate the observer design pattern

.gitignore

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Observer/ObserverPattern_Self_Implemented/ObserverPattern_Self_Implemented.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 14
+VisualStudioVersion = 14.0.24720.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ObserverPattern_Self_Implemented", "ObserverPattern_Self_Implemented\ObserverPattern_Self_Implemented.csproj", "{F5C0ECAA-3A2B-41A1-93BE-F1E68A8D9DE2}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F5C0ECAA-3A2B-41A1-93BE-F1E68A8D9DE2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F5C0ECAA-3A2B-41A1-93BE-F1E68A8D9DE2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F5C0ECAA-3A2B-41A1-93BE-F1E68A8D9DE2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F5C0ECAA-3A2B-41A1-93BE-F1E68A8D9DE2}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

Observer/ObserverPattern_Self_Implemented/ObserverPattern_Self_Implemented/App.config

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+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
+    </startup>
+</configuration>

Observer/ObserverPattern_Self_Implemented/ObserverPattern_Self_Implemented/Interface/Display.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ObserverPattern_Self_Implemented.Interface
+{
+    interface Display
+    {
+        void Display();
+    }
+}

Observer/ObserverPattern_Self_Implemented/ObserverPattern_Self_Implemented/Interface/Observer.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ObserverPattern_Self_Implemented.Interface
+{
+    public interface Observer
+    {
+        void Update(float temperature, float humidity, float pressure);
+        void UnRegister();
+    }
+}

Observer/ObserverPattern_Self_Implemented/ObserverPattern_Self_Implemented/Interface/Subject.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ObserverPattern_Self_Implemented.Interface
+{
+    public interface Subject
+    {
+        void AddObserver(Observer o);
+        void RemoveObserver(Observer o);
+        void NotifyObserver();
+    }
+}

Observer/ObserverPattern_Self_Implemented/ObserverPattern_Self_Implemented/ObserverPattern_Self_Implemented.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" 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>{F5C0ECAA-3A2B-41A1-93BE-F1E68A8D9DE2}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>ObserverPattern_Self_Implemented</RootNamespace>
+    <AssemblyName>ObserverPattern_Self_Implemented</AssemblyName>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+  </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="Interface\Display.cs" />
+    <Compile Include="Interface\Observer.cs" />
+    <Compile Include="Interface\Subject.cs" />
+    <Compile Include="Observers\ObserverThree..cs" />
+    <Compile Include="Observers\ObserverTwo.cs" />
+    <Compile Include="Observers\ObserverOne.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="WeatherData.cs" />
+    <Compile Include="WeatherStation.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>