// Copyright (c) 2007-2009 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:

 // Generic parameter set base classes.

 // XParameterSetBase exists to support interworking with old CSubConParameterSet classes.

 // XParameterSet has richer functionality so should be used for all new applications of Parameter Sets.

 // 

 //

 /**

  @file

  @internalTechnology

 */

 #ifndef __ES_PARAMETERSET_H

 #define __ES_PARAMETERSET_H

 #include <comms-infras/metadata.h>

 class XParameterSetBase : public Meta::SMetaDataECom

 	{

 	};

 const TInt KParameterSetTypeUid = 0x10272F44;

 class XParameterSet : public XParameterSetBase

 	{

 public:

 	IMPORT_C virtual ~XParameterSet();

 	// Updates this parameter set with new information. The interpretation and 

 	//  importance of new information may depend on type-specific interpretation

 	//  of the fields in the object (e.g. a field somehow marked "unknown" in the new

 	//  set should not be copied to this set, or some kind of lock on a

 	//  field in this set should prevent that field being copied from the

 	//  new set).

 	//

 	// This base implementation asserts, so as to force the consideration of this

 	//  function for derived types.

 	IMPORT_C virtual void UpdateWithL(const XParameterSet& aRhsBase);

 	IMPORT_C virtual TInt AppendPrintableTo(TDes& aDestination) const;

 	IMPORT_C virtual TInt _extension(TUid aExtensionId, TAny*& aReturnedExtension);

 protected:

     // It's necessary to expose the typeid table to child classes so they can refer to it in their attribute tables (so IsTypeOf() works)

 	EXPORT_TYPEID_TABLE

 	};

 #endif // __ES_PARAMETERSET_H