using System;
using System.Reflection;
using System.Diagnostics;

namespace Configuration.IoC
{
	public abstract class InjectAttributeBase : Attribute
	{
		internal abstract void inject<InstanceT>(MemberInfo mi, InstanceT instance);
	}


	[AttributeUsage(AttributeTargets.Field, AllowMultiple = false, Inherited = false)]
	public sealed class InjectAttribute : InjectAttributeBase
	{
		internal override void inject<InstanceT>(MemberInfo mi, InstanceT instance)
		{
			var fi = mi as FieldInfo;
			Debug.Assert(fi != null);

			fi.SetValue(instance, ServiceLocator.resolve(fi.FieldType));
		}
	}
}