--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/dataprovider/src/glxvarianttypebase.cpp	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,146 @@
+/*
+* Copyright (c) 2008-2009 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:    base class of Alf data types 
+*
+*/
+
+
+
+
+#include "glxvarianttypebase.h"
+
+#include <alf/alfdataexception.h>         // Exception class used with invalid data exceptions
+#include <glxlog.h>                   // Logging
+
+using namespace Alf;
+using namespace osncore;
+
+// ----------------------------------------------------------------------------
+// set
+// ----------------------------------------------------------------------------
+//
+void IGlxVariantTypeBase::set( IAlfVariantType& /*aValue*/ )
+    {
+    // this interface is not possible to implement
+    }
+    
+// ----------------------------------------------------------------------------
+// expected to be overridden by base class if a valid type
+// ----------------------------------------------------------------------------
+//
+bool IGlxVariantTypeBase::boolean() const
+    {
+    TRACER("IGlxVariantTypeBase::boolean");
+    ALF_THROW( AlfDataException, EInvalidVariantDataType, "GlxVariantTypeBase" );
+    }
+
+// ----------------------------------------------------------------------------
+// expected to be overridden by base class if a valid type
+// ----------------------------------------------------------------------------
+//
+int IGlxVariantTypeBase::integer() const
+    {
+    TRACER("IGlxVariantTypeBase::integer");
+    ALF_THROW( AlfDataException, EInvalidVariantDataType, "GlxVariantTypeBase" );
+    }
+
+// ----------------------------------------------------------------------------
+// expected to be overridden by base class if a valid type
+// ----------------------------------------------------------------------------
+//
+uint IGlxVariantTypeBase::uinteger() const
+    {
+    TRACER("IGlxVariantTypeBase::uinteger");
+    ALF_THROW( AlfDataException, EInvalidVariantDataType, "GlxVariantTypeBase" );
+    }
+
+// ----------------------------------------------------------------------------
+// expected to be overridden by base class if a valid type
+// ----------------------------------------------------------------------------
+//
+double IGlxVariantTypeBase::real() const
+    {
+    TRACER("IGlxVariantTypeBase::real");
+    ALF_THROW( AlfDataException, EInvalidVariantDataType, "GlxVariantTypeBase" );
+    }
+
+// ----------------------------------------------------------------------------
+// expected to be overridden by base class if a valid type
+// ----------------------------------------------------------------------------
+//
+const UString& IGlxVariantTypeBase::string() const
+    {
+    TRACER("IGlxVariantTypeBase::string");
+    ALF_THROW( AlfDataException, EInvalidVariantDataType, "GlxVariantTypeBase" );
+    }
+ 
+// ----------------------------------------------------------------------------
+// expected to be overridden by base class if a valid type
+// ----------------------------------------------------------------------------
+//  
+IAlfContainer* IGlxVariantTypeBase::container()
+    {
+    TRACER("IGlxVariantTypeBase::container");
+    ALF_THROW( AlfDataException, EInvalidVariantDataType, "GlxVariantTypeBase" );
+    }
+
+// ----------------------------------------------------------------------------
+// expected to be overridden by base class if a valid type
+// ----------------------------------------------------------------------------
+//
+IAlfMap* IGlxVariantTypeBase::map()
+    {
+    TRACER("IGlxVariantTypeBase::map");
+    ALF_THROW( AlfDataException, EInvalidVariantDataType, "GlxVariantTypeBase" );
+    }
+
+// ----------------------------------------------------------------------------
+// expected to be overridden by base class if a valid type
+// ----------------------------------------------------------------------------
+//
+IAlfBranch* IGlxVariantTypeBase::branch()
+    {
+    TRACER("IGlxVariantTypeBase::branch");
+    ALF_THROW( AlfDataException, EInvalidVariantDataType, "GlxVariantTypeBase" );
+    }
+
+// ----------------------------------------------------------------------------
+// expected to be overridden by base class if a valid type
+// ----------------------------------------------------------------------------
+//
+IAlfModelBase* IGlxVariantTypeBase::customData()
+    {
+    TRACER("IGlxVariantTypeBase::customData");
+    ALF_THROW( AlfDataException, EInvalidVariantDataType, "GlxVariantTypeBase" );
+    }
+
+// ----------------------------------------------------------------------------
+// type
+// ----------------------------------------------------------------------------
+//
+IAlfVariantType::Type IGlxStringVariantTypeBase::type() const
+    {
+    TRACER("IGlxStringVariantTypeBase::type");
+    return EString;
+    }
+    
+// ----------------------------------------------------------------------------
+// type
+// ----------------------------------------------------------------------------
+//
+IAlfVariantType::Type IGlxIntVariantTypeBase::type() const
+    {
+    TRACER("IGlxIntVariantTypeBase::type");
+    return EInt;
+    }