diff -r 4ea6f81c838a -r 0e9bb658ef58 mmuifw_plat/mul_datamodel_api/inc/mul/imulvarianttype.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmuifw_plat/mul_datamodel_api/inc/mul/imulvarianttype.h	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,123 @@
+/*
+* Copyright (c) 2007-2008 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:  Interface for generic data type
+*
+*/
+
+
+#ifndef I_MULVARIANTTYPE_H
+#define I_MULVARIANTTYPE_H
+
+#include <memory>
+//#include <osn/osntypes.h>
+#include <e32cmn.h>
+
+// Forward Declarations
+
+namespace Alf
+    {
+
+// Forward Declarations
+ class IAlfMap;
+
+/*! @class IMulVariantType
+ *  @brief Interface for mul model data type 
+ *
+ *  Application should implement this interface if application needs
+ * 	to provide custom data type to model.
+ *
+ */
+class IMulVariantType
+    {
+public:
+    
+    enum TMulType{ EUnknown ,EBool, EInt, EUint, EReal, EDes, EMap, ECustomData };
+
+    /**
+     * Create copy of variant type
+     *
+     * @return Copy of variant type and ownsership is transferred
+     */ 
+    virtual std::auto_ptr< IMulVariantType > Clone() = 0;
+    
+    /**
+     * Get data as symbian descriptior
+     * 
+     * @return Descriptor data value.
+     */
+    virtual const TDesC& DesC() const = 0 ;
+    
+    /**
+     * Type of data
+     * 
+     * @return Data type of Variant Data
+     */
+    virtual TMulType Type() const = 0 ;
+    
+    /**
+     * Destructor
+     */
+    virtual ~IMulVariantType()
+    	{
+    	}
+    
+    /**
+     * Get the data value as an bool .
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EBool.
+     * @return bool data value.
+     */
+    virtual bool boolean() const = 0;
+
+    /**
+     * Get the data value as an integer.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EInt.
+     * @return Integer data value.
+     */
+    virtual int integer() const = 0;
+
+    /**
+     * Get the data value as an unsigned integer.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EUInt.
+     * @return Unsigned integer data value.
+     */
+    virtual uint uinteger() const = 0;
+
+    /**
+     * Get the data value as a real number.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EReal.
+     * @return Real data value.
+     */
+    virtual double real() const = 0;
+
+    /**
+     * Get the data value as a map interface.
+     *
+     * @exception osncore:AlfDataException Thrown if type() is not EMap.
+     * @return Map interface.
+     * @since S60 ?S60_version
+     */
+    virtual IAlfMap& Map() const = 0 ;
+            
+    };
+
+    } // namespace Alf
+
+#endif // I_MULVARIANTTYPE_H
+
+//End of file
+