/*

* Copyright (c) 2006-2009 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:  Declares bearer abstraction class.

*

*/

#ifndef CONNMONBEARER_H

#define CONNMONBEARER_H

#include <e32def.h>

class CConnMonIAP;

class CConnMonCommsDatCache;

/**

 * Abstraction for Bearer

 * Class declaration for bearer abstraction

 */

class TConnMonBearer

    {

public:

    /**

     * Constructor.

     * @param aConnMonIAP Link to IAP services

     */

    TConnMonBearer( CConnMonIAP* aConnMonIAP, CConnMonCommsDatCache* aCommsDatCache );

    /**

     * Is the bearer available

     * @param aAvailable ETrue if bearer is available

     * @return errorcode

     */

    virtual TInt GetAvailability( TBool& aAvailable ) const = 0;

    /**

     * Bearer ID getter

     *

     * @return bearer ID

     */

    virtual TUint BearerId() const = 0;

    /**

     * Invariant - validates object

     *

     * @return ETrue if bearer is valid (internal state is correct)

     */

    virtual TBool Valid() const = 0;

    /**

     * Checks IAPs belonging to this bearer and sets the availability flag of

     * those IAPs in CommsDat cache.

     */

    virtual void FlagAvailableIaps() const = 0;

protected: // Data

    /**

     * Link to IAP services

     */

    CConnMonIAP* iConnMonIAP;

    /**

     * Link to CommsDat cache

     */

    CConnMonCommsDatCache* iCommsDatCache;

    };

#endif // CONNMONBEARER_H

// End-of-file