/*

* Copyright (c) 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:  Set object references operation.

*

*/

#ifndef CSETOBJECTREFERENCES_H

#define CSETOBJECTREFERENCES_H

#include <badesca.h>

#include "crequestprocessor.h"

// forward declaration

class CMTPTypeArray;

class CMmMtpDpMetadataAccessWrapper;

class MMmMtpDpConfig;

/**

* Defines SetObjectReferences request processor

*/

class CSetObjectReferences : public CRequestProcessor

    {

public:

    /**

    * Two-phase construction method

    * @param aFramework    The data provider framework

    * @param aConnection    The connection from which the request comes

    * @param aWrapper    medadata access interface

    * @return a pointer to the created request processor object

    */

    IMPORT_C static MMmRequestProcessor* NewL( MMTPDataProviderFramework& aFramework,

        MMTPConnection& aConnection,

        MMmMtpDpConfig& aDpConfig );

    /**

    * Destructor

    */

    IMPORT_C virtual ~CSetObjectReferences();

protected:

    /**

    * Standard c++ constructor

    * @param aFramework    The data provider framework

    * @param aConnection    The connection from which the request comes

    * @param aWrapper    medadata access interface

    */

        MMTPConnection& aConnection,

        MMmMtpDpConfig& aDpConfig );

protected:

    /**

    * set references to DB

    * @param aObject, the reference owner

    */

    void DoSetObjectReferencesL( const CMTPObjectMetaData& aObject );

private:

    //from CRequestProcessor

    /**

    * SetReferences request handler

    * start receiving reference data from the initiator

    */

    IMPORT_C void ServiceL();

    /**

    * Apply the references to the specified object

    * @return EFalse

    */

    IMPORT_C TBool DoHandleResponsePhaseL();

    /**

    * Derived from CRequestProcessor, can not be neglected

    * @return ETrue

    */

    IMPORT_C TBool HasDataphase() const;

private:

    /**

    * Verify if the references are valid handles to objects

    * @return ETrue if all the references are good, otherwise, EFalse

    */

    TBool VerifyReferenceHandlesL() const;

    /**

    * Two-phase construction

    */

    void ConstructL();

private:

    // Array to store the references to set to the object

    CMTPTypeArray* iReferences;

    MMmMtpDpConfig& iDpConfig;

    CDesCArray* iReferenceSuids;

    };

#endif // CSETOBJECTREFERENCES_H