Extracting classes from assembly

AutofacSamples3/AutofacSamples3.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Autofac" Version="6.0.0" />
+  </ItemGroup>
+
+</Project>

AutofacSamples3/Program.cs

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+using Autofac;
+using System;
+using System.Reflection;
+
+namespace AutofacSamples3
+{
+
+    public interface ILog
+    {
+        void Write(string message);
+    }
+
+    public class ConsoleLog : ILog
+    {
+        public void Write(string message)
+        {
+            Console.WriteLine(message);
+        }
+    }
+
+    public class EmailLog : ILog
+    {
+        private const string adminEmail = "tfoman@oeman.se";
+        public void Write(string message)
+        {
+            Console.WriteLine($"Email sent to {adminEmail} : {message}");
+        }
+    }
+
+    public class Engine
+    {
+        private ILog log;
+        private int id;
+
+        public Engine(ILog log, int id)
+        {
+            this.log = log;
+            this.id = id;
+        }
+
+        public Engine(ILog log)
+        {
+            this.log = log;
+            id = new Random().Next();
+        }
+
+        public void Ahead(int power)
+        {
+            log.Write($"Engine [{id}] ahead {power}");
+        }
+    }
+
+    public class SMSLog : ILog
+    {
+        private readonly string phoneNumber;
+
+        public SMSLog(string phoneNumber)
+        {
+            this.phoneNumber = phoneNumber;
+        }
+        public void Write(string message)
+        {
+            Console.WriteLine($"SMS to {phoneNumber} : {message}");
+        }
+    }
+
+    public class Car
+    {
+        private Engine engine;
+        private ILog log;
+
+        public Car(Engine engine)
+        {
+            this.engine = engine;
+            this.log = new EmailLog();
+        }
+
+        public Car(Engine engine, ILog log)
+        {
+            this.engine = engine;
+            this.log = log;
+        }
+
+        public void Go()
+        {
+            engine.Ahead(100);
+            log.Write("Car going forward...");
+        }
+    }
+
+    public class Parent
+    {
+        public override string ToString()
+        {
+            return "I am your father";
+        }
+    }
+
+    public class Child
+    {
+        public string Name { get; set; }
+        public Parent Parent { get; set; }
+
+        public void SetParent(Parent parent)
+        {
+            Parent = parent;
+        }
+    }
+
+    internal class Program
+    {
+        public static void Main(string[] args)
+        {
+            var assembly = Assembly.GetExecutingAssembly();
+            var builder = new ContainerBuilder();
+            builder.RegisterAssemblyTypes(assembly)
+                .Where(t => t.Name.EndsWith("Log"))
+                .Except<SMSLog>()
+                .Except<ConsoleLog>(c => c.As<ILog>().SingleInstance())
+                .AsSelf();
+
+            builder.RegisterAssemblyTypes(assembly)
+                .Except<SMSLog>()
+                .Where(t => t.Name.EndsWith("Log"))
+                .As(t => t.GetInterfaces()[0]);
+
+        }
+    }
+}