abstract factory pattern example

Author: anupavanm

AbstractFactoryPattern/AbstractFactoryPattern.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>

AbstractFactoryPattern/Program.cs

@@ -0,0 +1,103 @@
+using System;
+
+namespace AbstractFactoryPattern
+{
+  interface IDoor
+  {
+
+    void GetDescription();
+
+  }
+  class WoodenDoor : IDoor
+  {
+    public void GetDescription()
+    {
+      Console.WriteLine("I am a wooden door");
+    }
+  }
+
+  class IronDoor : IDoor
+  {
+    public void GetDescription()
+    {
+      Console.WriteLine("I am a iron door");
+    }
+  }
+
+  interface IDoorFittingExpert
+  {
+    void GetDescription();
+  }
+
+  class Welder : IDoorFittingExpert
+  {
+    public void GetDescription()
+    {
+      Console.WriteLine("I can only fit iron doors");
+    }
+  }
+
+  class Carpenter : IDoorFittingExpert
+  {
+    public void GetDescription()
+    {
+      Console.WriteLine("I can only fit wooden doors");
+    }
+  }
+
+  interface IDoorFactory
+  {
+    IDoor MakeDoor();
+    IDoorFittingExpert MakeFittingExpert();
+  }
+
+  // Wooden factory to return carpenter and wooden door
+  class WoodenDoorFactory : IDoorFactory
+  {
+    public IDoor MakeDoor()
+    {
+      return new WoodenDoor();
+    }
+    // Iron door factory to get iron door and the relevant fitting expert
+    public IDoorFittingExpert MakeFittingExpert()
+    {
+      return new Carpenter();
+    }
+  }
+
+  class IronDoorFactory : IDoorFactory
+  {
+    public IDoor MakeDoor()
+    {
+      return new IronDoor();
+    }
+
+    public IDoorFittingExpert MakeFittingExpert()
+    {
+      return new Welder();
+    }
+  }
+
+
+  class Program
+  {
+    static void Main(string[] args)
+    {
+      var woodenDoorFactory = new WoodenDoorFactory();
+      var woodenDoor = woodenDoorFactory.MakeDoor();
+      var woodenDoorFittingExpert = woodenDoorFactory.MakeFittingExpert();
+
+      woodenDoor.GetDescription(); //Output : I am a wooden door
+      woodenDoorFittingExpert.GetDescription();//Output : I can only fit woooden doors
+
+      var ironDoorFactory = new IronDoorFactory();
+      var ironDoor = ironDoorFactory.MakeDoor();
+      var ironDoorFittingExpert = ironDoorFactory.MakeFittingExpert();
+
+      ironDoor.GetDescription();//Output : I am a iron door
+      ironDoorFittingExpert.GetDescription();//Output : I can only fit iron doors
+
+      Console.ReadLine();
+    }
+  }
+}

DesignPatterns.sln

@@ -7,6 +7,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FactoryPattern", "FactoryPa
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FactoryMethodPattern", "FactoryMethodPattern\FactoryMethodPattern.csproj", "{493DBC90-47D2-49F5-906D-14F3AFDDF9F8}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AbstractFactoryPattern", "AbstractFactoryPattern\AbstractFactoryPattern.csproj", "{081F04C5-CF9E-4997-B04E-5F9FDCCEE90D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +23,10 @@ Global
 		{493DBC90-47D2-49F5-906D-14F3AFDDF9F8}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{493DBC90-47D2-49F5-906D-14F3AFDDF9F8}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{493DBC90-47D2-49F5-906D-14F3AFDDF9F8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{081F04C5-CF9E-4997-B04E-5F9FDCCEE90D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{081F04C5-CF9E-4997-B04E-5F9FDCCEE90D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{081F04C5-CF9E-4997-B04E-5F9FDCCEE90D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{081F04C5-CF9E-4997-B04E-5F9FDCCEE90D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE