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nemanjarogicnemanjarogic
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‎.gitignore

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‎README.md

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"# DesignPatternsLibrary"

‎src/BuildingBlocks/BuildingBlocks.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net5.0</TargetFramework>
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</PropertyGroup>
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</Project>

‎src/BuildingBlocks/PatternExecutor.cs

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namespace DesignPatternsLibrary.PatternExecutors
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{
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public abstract class PatternExecutor
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{
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public PatternExecutor()
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{
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Name = GetType().Name;
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}
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public string Name { get; init; }
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public abstract void Execute();
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}
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}

‎src/CreationalPatterns/Singleton/Greeter/BaseGreeter.cs

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using System;
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namespace Greeter
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{
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public abstract class BaseGreeter
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{
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public virtual void Greet()
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{
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Console.WriteLine($"Greetings from {GetType().Name}!");
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}
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}
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}

‎src/CreationalPatterns/Singleton/Greeter/Greeter.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net5.0</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\..\BuildingBlocks\BuildingBlocks.csproj" />
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</ItemGroup>
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</Project>

‎src/CreationalPatterns/Singleton/Greeter/Implementations/SingletonGreeter.cs

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using Greeter;
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using System;
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namespace SingletonLibrary.Implementations
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{
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public class SingletonGreeter : BaseGreeter
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{
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private static SingletonGreeter instance = null;
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private SingletonGreeter()
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{
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Console.WriteLine("Simple singleton instantiated for the first and only time!");
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}
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public static SingletonGreeter Instance
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{
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get
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{
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Console.WriteLine("Simple singleton being requested...");
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if (instance == null)
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{
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instance = new SingletonGreeter();
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}
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Console.WriteLine("Simple singleton returned");
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return instance;
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}
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}
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}
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}

‎src/CreationalPatterns/Singleton/Greeter/SingletonGreeterExecutor.cs

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using DesignPatternsLibrary.PatternExecutors;
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using SingletonLibrary.Implementations;
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using System;
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namespace SingletonLibrary
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{
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public class SingletonGreeterExecutor : PatternExecutor
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{
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public override void Execute()
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{
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Console.WriteLine("--------------------------");
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Console.WriteLine("Initial greetings...");
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Console.WriteLine();
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Greet();
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Console.WriteLine("--------------------------");
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Console.WriteLine("Goodbye greetings...");
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Console.WriteLine();
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Greet();
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}
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private void Greet()
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{
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SingletonGreeter.Instance.Greet();
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}
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}
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}

‎src/DesignPatternsLibrary.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 16
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VisualStudioVersion = 16.0.30711.63
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DesignPatternsLibrary", "DesignPatternsLibrary\DesignPatternsLibrary.csproj", "{60C3B7E4-E290-47F4-A3C0-4F9505DE926F}"
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "BehavioralPatterns", "BehavioralPatterns", "{3FE65E51-30B0-47A3-B4E7-F89721D5F8A2}"
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "CreationalPatterns", "CreationalPatterns", "{C37279A6-C320-46CF-9DAD-BA14DCB91705}"
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "StructuralPatterns", "StructuralPatterns", "{1781BBBF-5241-451D-8170-93B0C3EFD8D5}"
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "OtherPatterns", "OtherPatterns", "{15B15698-CB27-4F30-884C-25C2C1D50202}"
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Singleton", "Singleton", "{AC5E9989-20E0-44B3-A9C8-CD7AC0E7532F}"
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BuildingBlocks", "BuildingBlocks\BuildingBlocks.csproj", "{1CA5ED9E-D727-459B-8EB2-C7E9D5941F85}"
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Greeter", "CreationalPatterns\Singleton\Greeter\Greeter.csproj", "{B7BD1BB5-F249-4FB4-B2EF-554DC08659BE}"
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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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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{60C3B7E4-E290-47F4-A3C0-4F9505DE926F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{60C3B7E4-E290-47F4-A3C0-4F9505DE926F}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{60C3B7E4-E290-47F4-A3C0-4F9505DE926F}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{60C3B7E4-E290-47F4-A3C0-4F9505DE926F}.Release|Any CPU.Build.0 = Release|Any CPU
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{1CA5ED9E-D727-459B-8EB2-C7E9D5941F85}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
33+
{1CA5ED9E-D727-459B-8EB2-C7E9D5941F85}.Debug|Any CPU.Build.0 = Debug|Any CPU
34+
{1CA5ED9E-D727-459B-8EB2-C7E9D5941F85}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{1CA5ED9E-D727-459B-8EB2-C7E9D5941F85}.Release|Any CPU.Build.0 = Release|Any CPU
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{B7BD1BB5-F249-4FB4-B2EF-554DC08659BE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
37+
{B7BD1BB5-F249-4FB4-B2EF-554DC08659BE}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{B7BD1BB5-F249-4FB4-B2EF-554DC08659BE}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{B7BD1BB5-F249-4FB4-B2EF-554DC08659BE}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(NestedProjects) = preSolution
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{AC5E9989-20E0-44B3-A9C8-CD7AC0E7532F} = {C37279A6-C320-46CF-9DAD-BA14DCB91705}
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{B7BD1BB5-F249-4FB4-B2EF-554DC08659BE} = {AC5E9989-20E0-44B3-A9C8-CD7AC0E7532F}
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {F9238CD9-9068-4B63-8D9E-53684BA60A21}
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EndGlobalSection
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EndGlobal

‎src/DesignPatternsLibrary/DesignPatternsLibrary.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net5.0</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\CreationalPatterns\Singleton\Greeter\Greeter.csproj" />
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</ItemGroup>
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</Project>

‎src/DesignPatternsLibrary/PatternExecutorsRegistry.cs

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using DesignPatternsLibrary.PatternExecutors;
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using SingletonLibrary;
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using System.Collections.Generic;
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namespace DesignPatternsLibrary
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{
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public class PatternExecutorsRegistry
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{
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private static PatternExecutorsRegistry _instance = null;
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private readonly SortedDictionary<int, PatternExecutor> _executors;
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private PatternExecutorsRegistry()
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{
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_executors = new SortedDictionary<int, PatternExecutor>
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{
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{ 1, new SingletonGreeterExecutor() }
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};
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}
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public static PatternExecutorsRegistry Instance
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{
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get
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{
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if (_instance == null)
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{
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_instance = new PatternExecutorsRegistry();
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}
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return _instance;
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}
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}
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public SortedDictionary<int, PatternExecutor> GetAll()
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{
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return _executors;
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}
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}
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}

‎src/DesignPatternsLibrary/Program.cs

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using DesignPatternsLibrary.PatternExecutors;
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using System;
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using System.Collections.Generic;
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namespace DesignPatternsLibrary
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{
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class Program
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{
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static void Main(string[] args)
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{
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string choice;
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var executors = PatternExecutorsRegistry.Instance.GetAll();
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while (!(choice = SelectFromMenu(executors)).Equals("q"))
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{
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if (!int.TryParse(choice, out int translatedChoice))
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{
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Console.WriteLine("Please choose one of the following!");
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continue;
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}
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if (!executors.ContainsKey(translatedChoice))
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{
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Console.WriteLine("Please choose one of the following!");
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continue;
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}
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executors[translatedChoice].Execute();
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}
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Console.WriteLine("Thank you!");
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Console.ReadLine();
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}
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static string SelectFromMenu(SortedDictionary<int, PatternExecutor> executors)
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{
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ListAvailableMenuOptions(executors);
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var choice = ChooseOneOption();
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Console.ResetColor();
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return choice;
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}
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static void ListAvailableMenuOptions(SortedDictionary<int, PatternExecutor> executors)
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{
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Console.ForegroundColor = ConsoleColor.DarkGreen;
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Console.WriteLine(Environment.NewLine);
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foreach (var executor in executors)
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{
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Console.WriteLine($"{executor.Key}. {executor.Value.Name}");
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}
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Console.WriteLine("q. Quit");
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}
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static string ChooseOneOption()
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{
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Console.ForegroundColor = ConsoleColor.DarkGray;
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Console.WriteLine($"\n Your choice: ");
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return Console.ReadLine().ToLower();
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}
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}
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}

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