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Add State pattern.
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8 files changed

+183
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‎Behavioral/State/Client.cs

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using System;
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namespace State {
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class Client {
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static void Main(string[] args) {
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var sc = new StateContext();
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sc.WriteName("Monday");
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sc.WriteName("Tuesday");
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sc.WriteName("Wednesday");
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sc.WriteName("Thursday");
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sc.WriteName("Saturday");
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sc.WriteName("Sunday");
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Console.ReadKey();
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}
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}
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}

‎Behavioral/State/IState.cs

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namespace State {
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public interface IState {
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void WriteName(StateContext stateContext, string name);
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}
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}

‎Behavioral/State/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("State")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("State")]
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[assembly: AssemblyCopyright("Copyright © 2012")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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[assembly: Guid("61a69783-73c6-4634-9c1e-97dc1992b3b0")]
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

‎Behavioral/State/State.csproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">x86</Platform>
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<ProductVersion>8.0.30703</ProductVersion>
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<SchemaVersion>2.0</SchemaVersion>
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<ProjectGuid>{F214B483-E8BB-477D-807F-24F176B588D5}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>State</RootNamespace>
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<AssemblyName>State</AssemblyName>
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<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
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<TargetFrameworkProfile>Client</TargetFrameworkProfile>
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<FileAlignment>512</FileAlignment>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
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<PlatformTarget>x86</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
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<PlatformTarget>x86</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup>
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<StartupObject>State.Client</StartupObject>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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<Reference Include="System.Data" />
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<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="IState.cs" />
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<Compile Include="Client.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="StateA.cs" />
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<Compile Include="StateB.cs" />
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<Compile Include="StateContext.cs" />
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>

‎Behavioral/State/StateA.cs

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using System;
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namespace State {
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public class StateA : IState {
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public void WriteName(StateContext stateContext, string name) {
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Console.WriteLine(name.ToLower());
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stateContext.SetState(new StateB());
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}
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}
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}

‎Behavioral/State/StateB.cs

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using System;
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namespace State {
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public class StateB : IState {
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private int _count;
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public void WriteName(StateContext stateContext, string name) {
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Console.WriteLine(name.ToUpper());
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if (++this._count > 1) {
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stateContext.SetState(new StateA());
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}
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}
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}
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}

‎Behavioral/State/StateContext.cs

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namespace State {
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public class StateContext {
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private IState _state;
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public StateContext() {
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this._state = new StateA();
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}
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public void SetState(IState state) {
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this._state = state;
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}
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public void WriteName(string name) {
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this._state.WriteName(this, name);
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}
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}
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}

‎DesignPatterns.sln

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@@ -17,6 +17,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Memento", "Behavioral\Memen
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Observer", "Behavioral\Observer\Observer.csproj", "{2823F21D-D474-447D-9C8B-74B29D0D9B35}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "State", "Behavioral\State\State.csproj", "{F214B483-E8BB-477D-807F-24F176B588D5}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{2823F21D-D474-447D-9C8B-74B29D0D9B35}.Release|Any CPU.ActiveCfg = Release|x86
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{2823F21D-D474-447D-9C8B-74B29D0D9B35}.Release|x86.ActiveCfg = Release|x86
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{2823F21D-D474-447D-9C8B-74B29D0D9B35}.Release|x86.Build.0 = Release|x86
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{F214B483-E8BB-477D-807F-24F176B588D5}.Debug|Any CPU.ActiveCfg = Debug|x86
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{F214B483-E8BB-477D-807F-24F176B588D5}.Debug|x86.ActiveCfg = Debug|x86
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{F214B483-E8BB-477D-807F-24F176B588D5}.Debug|x86.Build.0 = Debug|x86
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{F214B483-E8BB-477D-807F-24F176B588D5}.Release|Any CPU.ActiveCfg = Release|x86
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{F214B483-E8BB-477D-807F-24F176B588D5}.Release|x86.ActiveCfg = Release|x86
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{F214B483-E8BB-477D-807F-24F176B588D5}.Release|x86.Build.0 = Release|x86
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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{9D3B3EAE-1446-4896-8800-C8EA82C3BFD6} = {B3C3F0E2-50B6-450B-A161-F4500F4E681D}
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{C404876C-B04B-451F-B159-2C0CF8CB861B} = {B3C3F0E2-50B6-450B-A161-F4500F4E681D}
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{2823F21D-D474-447D-9C8B-74B29D0D9B35} = {B3C3F0E2-50B6-450B-A161-F4500F4E681D}
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{F214B483-E8BB-477D-807F-24F176B588D5} = {B3C3F0E2-50B6-450B-A161-F4500F4E681D}
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EndGlobalSection
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EndGlobal

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