/*

* 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:

*

*/

#ifndef C_RADIOREPOSITORYENTITYBASE_H

#define C_RADIOREPOSITORYENTITYBASE_H

#include <e32base.h>

class MRadioRepositoryEntityObserver;

/**

 * Base class for a central repository entity.

 *

 * All instantiable central repository entities must be derived from this class.

 * The class is provided so that a heterogenous array of templated objects can be created, and to

 * provide common data fields for the said purpose.

 */

class CRadioRepositoryEntityBase : public CActive

    {

public:

    IMPORT_C ~CRadioRepositoryEntityBase();

    /**

     * Returns the UID of the repository the entity is bound to.

     *

     * @return  The UID of the repository the entity is bound to.

     */

    const TUid& Uid() const;

    /**

     * Returns the key the entity is bound to.

     *

     * @return  The key the entity is bound to.

     */

    TUint32 Key() const;

protected:

    /**

     * Constructor.

     *

     * @param   aUid        The UID of the repository that this entity will be bound to.

     * @param   aKey        The key within the repository that this entity will be bound to.

     * @param   aObserver   The observer that is notified whenever the value of the key within the repository changes.

     * @param   aPriority   The priority of the active object.

     */

    IMPORT_C CRadioRepositoryEntityBase( const TUid& aUid, TUint32 aKey, MRadioRepositoryEntityObserver& aObserver, CActive::TPriority aPriority );

protected:

    /** The observer that is notified of changes in the key. */

    MRadioRepositoryEntityObserver& iObserver;

    /** The UID of the repository the entity is bound to. */

    TUid iUid;

    /** The key the entity is bound to.. */

    TUint32 iKey;

    };

#endif // C_RADIOREPOSITORYENTITYBASE_H