--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/ServiceModel/Async/ILinqService.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,36 @@
+using System;
+using System.ServiceModel;
+
+namespace BLToolkit.ServiceModel.Async
+{
+	[ServiceContract]
+	[ServiceKnownType(typeof(LinqServiceQuery))]
+	[ServiceKnownType(typeof(LinqServiceResult))]
+	public interface ILinqService
+	{
+		[OperationContract(AsyncPattern = true, Action = "http://tempuri.org/ILinqService/GetSqlProviderType", ReplyAction = "http://tempuri.org/ILinqService/GetSqlProviderTypeResponse")]
+		IAsyncResult BeginGetSqlProviderType(AsyncCallback callback, object asyncState);
+
+		string EndGetSqlProviderType(IAsyncResult result);
+
+		[OperationContract(AsyncPattern = true, Action = "http://tempuri.org/ILinqService/ExecuteNonQuery", ReplyAction = "http://tempuri.org/ILinqService/ExecuteNonQueryResponse")]
+		IAsyncResult BeginExecuteNonQuery(string queryData, AsyncCallback callback, object asyncState);
+
+		int EndExecuteNonQuery(IAsyncResult result);
+
+		[OperationContract(AsyncPattern = true, Action = "http://tempuri.org/ILinqService/ExecuteScalar", ReplyAction = "http://tempuri.org/ILinqService/ExecuteScalarResponse")]
+		IAsyncResult BeginExecuteScalar(string queryData, AsyncCallback callback, object asyncState);
+
+		object EndExecuteScalar(IAsyncResult result);
+
+		[OperationContract(AsyncPattern = true, Action = "http://tempuri.org/ILinqService/ExecuteReader", ReplyAction = "http://tempuri.org/ILinqService/ExecuteReaderResponse")]
+		IAsyncResult BeginExecuteReader(string queryData, AsyncCallback callback, object asyncState);
+
+		string EndExecuteReader(IAsyncResult result);
+
+		[OperationContract(AsyncPattern = true, Action = "http://tempuri.org/ILinqService/ExecuteBatch", ReplyAction = "http://tempuri.org/ILinqService/ExecuteBatchResponse")]
+		IAsyncResult BeginExecuteBatch(string queryData, AsyncCallback callback, object asyncState);
+
+		int EndExecuteBatch(IAsyncResult result);
+	}
+}