diff -r a36b1e19a461 -r 989d2f495d90 serviceproviders/sapi_contacts_vpbk/contactservice/inc/cancelasyncrquest.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serviceproviders/sapi_contacts_vpbk/contactservice/inc/cancelasyncrquest.h	Fri Jul 03 15:51:24 2009 +0100
@@ -0,0 +1,40 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  an interface to handle cancel of async requests
+*
+*/
+
+
+/**
+ * An abstract class which is to be implemented by all observers to support cancel.
+ */
+
+#ifndef M_CANCELASYNC_H
+#define M_CANCELASYNC_H
+
+class MCancelAsync
+{
+	public:
+   /**
+	* To be implemented by all the observers for supporting 
+	* cancel operation customised to each of the observer 
+	* classes.
+	*/
+	
+	virtual void Cancel()=0;
+	
+};
+
+
+#endif //M_CANCELASYNC
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