/*

* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  Map of callback and transaction id.

*

*/

#ifndef __CLANDMARKCALLBACKMAP_H__

#define __CLANDMARKCALLBACKMAP_H__

//INCLUDES

#include <e32base.h>

//FORWARD DECLARATION

class MLiwNotifyCallback;

/**

* CLandmarkCallbackMap

* This class keeps a map of the transaction id allocated to an asynchronous request with the callback

* of the request.

*/

// CLASS DECLARATION

NONSHARABLE_CLASS(CLandmarkCallbackMap): public CBase

    {

    public:// Constructors

        /**

        * CLandmarkCallbackMap

        * Constructor.

        *

        * @param aTransactionId The transaction id alloted to asynchronous request.

        * @param aCallback The callback associated with the asynchronous request.

        */

        inline CLandmarkCallbackMap( TInt32 aTransactionId, MLiwNotifyCallback* aCallback );

        /**

        * ~CLandmarkCallbackMap

        * Destructor.

        */

        inline ~CLandmarkCallbackMap() {}

    public:

        /**

        * Set

        * Sets the transaction id and callback.

        *

        * @param aTransactionId The transaction id alloted to asynchronous request.

        * @param aCallback The callback associated with the asynchronous request.

        */

        inline void Set( TInt32 aTransactionId, MLiwNotifyCallback* aCallback );

        /**

        * Get

        * Gets the transaction id and callback.

        *

        * @param aTransactionId The transaction id alloted to asynchronous request.

        * @param aCallback The reference to the callback associated with the asynchronous request.

        * @return True if aCallback is set else False.

        */

        inline TBool Get( TInt32 aTransactionId, MLiwNotifyCallback*& aCallback ) const;

    private:// Data

        /**

        * iTransactionId

        * The transaction id of the async call.

        */

        TInt32 iTransactionId;

        /**

        * iCallback

        * The handle to MLiwNotifyCallback.

        */

        MLiwNotifyCallback* iCallback;

    };

#include "clandmarkcallbackmap.inl"

#endif // __CLANDMARKCALLBACKMAP_H__