--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/DataAccess/ActualTypeAttribute.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,27 @@
+using System;
+
+namespace BLToolkit.DataAccess
+{
+	[JetBrains.Annotations.BaseTypeRequired(typeof(DataAccessor))]
+	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface, AllowMultiple = true)]
+	public class ActualTypeAttribute : Attribute
+	{
+		public ActualTypeAttribute(Type baseType, Type actualType)
+		{
+			_baseType   = baseType;
+			_actualType = actualType;
+		}
+
+		private readonly Type _baseType;
+		public           Type  BaseType
+		{
+			get { return _baseType;  }
+		}
+
+		private readonly Type _actualType;
+		public           Type  ActualType
+		{
+			get { return _actualType;  }
+		}
+	}
+}