--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/Data/Linq/IDataContext.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,25 @@
+using System;
+using System.Data;
+
+namespace BLToolkit.Data.Linq
+{
+	using Data.Sql.SqlProvider;
+	using Mapping;
+
+	public interface IDataContext : IMappingSchemaProvider, IDisposable
+	{
+		string             ContextID         { get; }
+		Func<ISqlProvider> CreateSqlProvider { get; }
+
+		object             SetQuery        (IQueryContext queryContext);
+		int                ExecuteNonQuery (object query);
+		object             ExecuteScalar   (object query);
+		IDataReader        ExecuteReader   (object query);
+		void               ReleaseQuery    (object query);
+
+		string             GetSqlText      (object query);
+		IDataContext       Clone           (bool forNestedQuery);
+
+		event EventHandler OnClosing;
+	}
+}