/*

* 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:

*

*/

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

template <typename T>

CRadioRepositoryEntity<T>* CRadioRepositoryEntity<T>::NewL( const TUid& aUid,

                                                            TUint32 aKey,

                                                            MRadioRepositoryEntityObserver& aObserver,

                                                            CActive::TPriority aPriority )

    {

    CRadioRepositoryEntity<T>* self = new ( ELeave ) CRadioRepositoryEntity<T>( aUid, aKey, aObserver, aPriority );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

template <typename T>

CRadioRepositoryEntity<T>::CRadioRepositoryEntity( const TUid& aUid,

                                                   TUint32 aKey,

                                                   MRadioRepositoryEntityObserver& aObserver,

                                                   CActive::TPriority aPriority )

    : CRadioRepositoryEntityBase( aUid, aKey, aObserver, aPriority )

    {

    }

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

template <typename T>

void CRadioRepositoryEntity<T>::ConstructL()

    {

    iRepository = CRepository::NewL( iUid );

    CActiveScheduler::Add( this );

    RunL();

    }

// -----------------------------------------------------------------------------

//

// -----------------------------------------------------------------------------

//

template <typename T>

CRadioRepositoryEntity<T>::~CRadioRepositoryEntity()

    {

    Cancel();

    delete iRepository;

    }

// -----------------------------------------------------------------------------

// Sets the value of the key.

// -----------------------------------------------------------------------------

//

template <typename T>

TInt CRadioRepositoryEntity<T>::SetValue( const T& aValue, TBool aSavingEnabled )

    {

    iValue = aValue;

    if ( aSavingEnabled )

        {

        return iRepository->Set( iKey, aValue );

        }

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// Returns the cached copy of the key's value.

// -----------------------------------------------------------------------------

//

template <typename T>

const T& CRadioRepositoryEntity<T>::Value() const

    {

    return iValue;

    }

// -----------------------------------------------------------------------------

// Forcibly updates the cached value from the repository.

// -----------------------------------------------------------------------------

//

template <typename T>

void CRadioRepositoryEntity<T>::UpdateL()

    {

    User::LeaveIfError( iRepository->Get( iKey, iValue ) );

    }

// -----------------------------------------------------------------------------

// Executed when the key's value is changed.

// -----------------------------------------------------------------------------

//

template <typename T>

void CRadioRepositoryEntity<T>::RunL()

    {

    User::LeaveIfError( iRepository->NotifyRequest( iKey, iStatus ) );

    SetActive();

    TInt err = iRepository->Get( iKey, iValue );

    iObserver.HandleRepositoryValueChangeL( iUid, iKey, iValue, err );

    }

// -----------------------------------------------------------------------------

// Cancels all pending notifications.

// -----------------------------------------------------------------------------

//

template <typename T>

void CRadioRepositoryEntity<T>::DoCancel()

    {

    iRepository->NotifyCancel( iKey );

    }