--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/Mapping/AssociationAttribute.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,16 @@
+using System;
+
+namespace BLToolkit.Mapping
+{
+	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field, AllowMultiple=false)]
+	public class AssociationAttribute : Attribute
+	{
+		private string _thisKey;          public string ThisKey   { get { return _thisKey;   } set { _thisKey   = value; } }
+		private string _otherKey;         public string OtherKey  { get { return _otherKey;  } set { _otherKey  = value; } }
+		private string _storage;          public string Storage   { get { return _storage;   } set { _storage   = value; } }
+		private bool   _canBeNull = true; public bool   CanBeNull { get { return _canBeNull; } set { _canBeNull = value; } }
+
+		public string[] GetThisKeys () { return Association.ParseKeys(_thisKey);  }
+		public string[] GetOtherKeys() { return Association.ParseKeys(_otherKey); }
+	}
+}