diff -r 000000000000 -r ba25891c3a9e ncdengine/provider/client/inc/ncdqueryitemimpl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/client/inc/ncdqueryitemimpl.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,142 @@
+/*
+* Copyright (c) 2006 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 C_NCD_QUERY_ITEM_H
+#define C_NCD_QUERY_ITEM_H
+
+#include <e32cmn.h>
+
+#include "ncdqueryitem.h"
+#include "catalogsbaseimpl.h"
+#include "catalogsinterfacebase.h"
+
+
+class MNcdConfigurationProtocolQueryElement;
+class CNcdString;
+class CNcdQuery;
+class RWriteStream;
+class RReadStream;
+
+const TInt KMaxTIntLengthInChars( 11 );
+    
+/**
+ *  Implementation for query item.
+ *
+ *  Base class for query items. This class is abstract.
+ */
+class CNcdQueryItem : public CCatalogsInterfaceBase,
+                      public virtual MNcdQueryItem
+    {
+public:
+    
+    virtual void InternalizeL( RReadStream& aReadStream );
+    
+    virtual void InternalizeL(
+        const MNcdConfigurationProtocolQueryElement& aQueryElement );
+    
+    virtual void ExternalizeL( RWriteStream& aWriteStream ) const;
+        
+    const TDesC& Id() const;
+    
+    TBool IsSet() const;
+    
+    virtual const TDesC& ValueL() = 0;
+    
+    /**
+     * If ETrue, this item will be visible only inside the engine.
+     */
+    TBool IsInvisible() const;
+    
+    /**
+     * Internalizes just the id's and response value.
+     *      
+     */
+    //void InternalizeResponseL( RWriteStream& aWriteStream ) = 0;
+    
+    /**
+     * Externalizes just the id's and response value.
+     *
+     * @note Use a dynamic buffer for the stream,
+     * amout of data written can vary.
+     */
+    //void ExternalizeResponseL( RWriteStream& aWriteStream ) const = 0;
+
+public: // From MNcdQueryItem
+
+    /**
+     * @see MNcdQueryItem
+     */
+    virtual TNcdInterfaceId Type() const;
+    
+    /**
+     * @see MNcdQueryItem
+     */
+    virtual MNcdQueryItem::TSemantics Semantics() const;
+
+    /**
+     * @see MNcdQueryItem
+     */
+    virtual const TDesC& Label() const;
+    
+    /**
+     * @see MNcdQueryItem
+     */
+    virtual const TDesC& Message() const;
+    
+    /**
+     * @see MNcdQueryItem
+     */
+    virtual const TDesC& Description() const;
+    
+    /**
+     * @see MNcdQueryItem
+     */
+    virtual TBool IsOptional() const;
+    
+protected:
+
+    CNcdQueryItem( CNcdQuery& aParent );
+    
+    virtual ~CNcdQueryItem();
+    
+    virtual void ConstructL();   
+    
+
+protected:
+    
+    CNcdQuery& iParentQuery;
+    HBufC* iId;
+    MNcdQueryItem::TSemantics iSemantics;
+    
+    CNcdString* iLabel;
+    CNcdString* iMessage;
+    CNcdString* iDescription;
+    
+    mutable HBufC* iLocalizedLabel;
+    mutable HBufC* iLocalizedMessage;
+    mutable HBufC* iLocalizedDescription;
+    
+    TBool iIsOptional;
+    TNcdInterfaceId iType;
+    HBufC* iValue;
+    TBool iIsSet;    
+    TBool iIsInvisible;
+
+    };
+	
+#endif //  C_NCD_QUERY_ITEM_H