diff -r 000000000000 -r bde4ae8d615e os/persistentdata/loggingservices/eventlogger/LogServ/inc/LogServDatabaseChangeInterface.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/persistentdata/loggingservices/eventlogger/LogServ/inc/LogServDatabaseChangeInterface.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,68 @@
+// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+//
+
+#ifndef __LOGSERVDATABASECHANGEINTERFACE_H__
+#define __LOGSERVDATABASECHANGEINTERFACE_H__
+
+#include "LogServDatabaseChangeObserver.h"
+#include "LogChangeDefinition.h"
+
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// -----> MLogServDatabaseChangeInterface (header)
+/////////////////////////////////////////////////////////////////////////////////////////
+/**
+@internalComponent
+*/
+class MLogServDatabaseChangeInterface
+	{
+/////////////////////////////////////////////////////////////////////////////////////////
+public: // ENUMERATIONS
+/////////////////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////////////////
+public: // FROM MLogServDatabaseChangeInterface
+/////////////////////////////////////////////////////////////////////////////////////////
+
+	/**
+	 * Submit some contextual information to the change interface so that it can
+	 * intelligently notify observers about a batch of updates
+	 */
+	virtual void DCISubmitChangedEventContextL(TLogDatabaseChangeType aType, TLogId aEventId) = 0;
+
+	/**
+	 * Submit some global information about a change. This isn't specific to an event
+	 * but may include changes such as 'a backup is starting/ending' or 'the log
+	 * has been cleared' etc.
+	 */
+	virtual void DCISubmitGlobalChangeContextL(TUid aChangeType, TInt aContextParam1 = 0, TInt aContextParam2 = 0, TInt aContextParam3 = 0) = 0;
+
+/////////////////////////////////////////////////////////////////////////////////////////
+public: // FROM MLogServDatabaseChangeInterface
+/////////////////////////////////////////////////////////////////////////////////////////
+
+	/** 
+	 * Request change notifications
+	 */
+	virtual void DCIRequestChangeNotificationsL(MLogServDatabaseChangeObserver& aObserver) = 0;
+
+	/**
+	 * Cancel change notification request
+	 */
+	virtual void DCIRequestChangeNotificationsCancel(MLogServDatabaseChangeObserver& aObserver) = 0;
+	};
+
+
+#endif