--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/server/inc/mdsindexer.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,89 @@
+/*
+* Copyright (c) 2005-2009 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:  A singleton that provides system unique ID's*
+*/
+
+#ifndef __MDSINDEXER_H__
+#define __MDSINDEXER_H__
+
+// INCLUDE FILES
+#include <e32base.h>
+#include <e32cmn.h>
+
+#include "mdccommon.h"
+
+// FORWARD DECLARATIONS
+class RRowData;
+
+
+// CLASS DECLARATION
+/**
+* A static class that is used to provide system unique
+* ID's for database storage purposes. 
+*/
+class MMdSIndexer
+    {
+    public: // Public functions
+
+    	/**
+    	 * Gets last object id from DB
+    	 * MUST be called once, when connection to DB is established
+    	 */
+    	static TItemId StartIndexL();
+
+    	/**
+	     * Provides a new system unique ID
+	     * @return a new system-wide unique ID
+	     */
+	    static TItemId GetIndex( );
+
+	    /**
+	     * Reverts system ID to previous state
+	     * used when add item failed
+	     */
+	    static void RevertIndex( );
+
+	    /**
+	     * Executes a SQL clause and returns the ID of the last object in DB.
+	     * @param aSqlClause SQL clause to execute
+	     * @param aRowData query parameters
+	     * @return result of last_insert_rowid()
+	     */
+	    static TItemId ExecuteAndGetIndexL(const TDesC &aSqlClause, const RRowData &aRowData );	    	
+
+	private:
+		static TItemId GetIndexL();
+
+		static void GetLastItemIdL();
+
+		static TItemId iId;
+	};
+
+class RSQLIndex
+	{
+	public:
+		RSQLIndex();
+
+		const TItemId& GetId() const;
+
+		void Commit();
+
+		void Close();
+
+	private:
+		const TItemId iId;
+		TBool iCommit;
+	};
+
+#endif // __MDSINDEXER_H__