diff -r 000000000000 -r ba25891c3a9e ncdengine/engine/inc/catalogsreferencebase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/engine/inc/catalogsreferencebase.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,114 @@
+/*
+* 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:   Contains CCatalogsRefString
+*
+*/
+
+
+#ifndef C_CATALOGSREFERENCEBASE_H
+#define C_CATALOGSREFERENCEBASE_H
+
+#include <e32base.h>
+
+template<class CBaseClass>
+class CCatalogsReferenceBase : public CBaseClass
+    {
+public:
+
+    TInt AddRef() const
+        { 
+        return ++iRefCount;
+        }
+
+    TInt Release() const
+        { 
+        TInt result = --iRefCount;         
+        if( result == 0 ) 
+            {
+            delete this; 
+            }
+        return result;
+        }
+        
+        
+    TInt RefCount() const 
+        {
+        return iRefCount;
+        }
+
+protected:
+
+    CCatalogsReferenceBase ()
+        : iRefCount( 1 )
+        {
+        }
+        
+    virtual ~CCatalogsReferenceBase()
+        {
+        }
+
+protected:
+    
+    mutable TInt iRefCount;
+    
+    };
+
+
+template<>
+class CCatalogsReferenceBase<CActive> : public CActive
+    {
+    
+public:
+
+    TInt AddRef() const
+        { 
+        return ++iRefCount;
+        }
+
+    TInt Release() const
+        { 
+        TInt result = --iRefCount;         
+        if( result == 0 ) 
+            {
+            delete this; 
+            }
+        return result;
+        }
+
+    TInt RefCount() const 
+        {
+        return iRefCount;
+        }
+
+protected:
+
+    CCatalogsReferenceBase () : 
+        CActive( EPriorityStandard ), 
+        iRefCount( 1 )
+        {
+        }
+
+    virtual ~CCatalogsReferenceBase()
+        {
+        }
+
+protected:
+    
+    mutable TInt iRefCount;
+            
+    };
+
+
+
+#endif // C_CATALOGSREFERENCEBASE_H