Elegant Code
time to read 1 min | 165 words

I just finished writing this, and I find it very pleasing to look at:

public class EntitiesToRepositories
{
	public static void Register(
		IWindsorContainer windsorContainer,
		ISessionFactory sessionFactory,
		Type repository,
		params Assembly[] assemblies
		)
	{
		if(typeof(IRepository<>).IsAssignableFrom(repository))
			throw new ArgumentException("Repository must be a type inheriting from IRepository<T>, " + 
                                    "and must be an open generic type. Sample: typeof(NHRepository<>).");

		foreach (IClassMetadata meta in sessionFactory.GetAllClassMetadata().Values)
		{
			Type mappedClass = meta.GetMappedClass(EntityMode.Poco);
			if (mappedClass == null)
				continue;
			foreach (Type interfaceType in mappedClass.GetInterfaces())
			{
				if(IsDefinedInAssemblies(interfaceType, assemblies)==false)
					continue;
				windsorContainer.Register(
					Component.For(typeof(IRepository<>).MakeGenericType(interfaceType))
						.ImplementedBy(repository.MakeGenericType(interfaceType))
						.CustomDependencies(Property.ForKey("ConcreteType").Eq(mappedClass))
					);
			}
		}
	}

	private static bool IsDefinedInAssemblies(Type type, Assembly[] assemblies)
	{
		return Array.IndexOf(assemblies, type.Assembly) != -1;
	}
}
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