/*

* 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:

*

*/

#include "tsmodelitemkey.h"

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

/**

 * @return amount of memory ( number of bytes ) required to store key.

 */

TInt TTsModelItemKey::Size()

    {

    return sizeof( TInt ) * 2;

    }

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

/**

 * Default constructor. Key members are initialized with 0

 */

TTsModelItemKey::TTsModelItemKey()

:

    iKey( 0 ),

    iRoot( 0 )

    {

    //No implementation required

    }

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

/**

 * Constructor. Initialize members with provided values.

 * @param aKey - key value

 * @param aRoot - root value

 */

TTsModelItemKey::TTsModelItemKey( TTsKey aKey, TInt aRoot )

:

    iKey( aKey ),

    iRoot( aRoot )

    {

    //No implementation required

    }

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

/**

 * Copy constructor

 * @param aKey - key value that need to be duplicated

 */

TTsModelItemKey::TTsModelItemKey( const TTsModelItemKey& aKey )

:

    iKey( aKey.iKey ),

    iRoot( aKey.iRoot )

    {

    //No implementation required

    }

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

/**

 * Assignment operator. Initialize members with new values

 * @param aKey - key value that need to be duplicated

 * @return reference to key instance

 */

TTsModelItemKey& TTsModelItemKey::operator =( const TTsModelItemKey& aKey )

    {

    iKey = aKey.iKey;

    iRoot = aKey.iRoot;

    return (*this);

    }

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

/**

 * Comparison operator

 * @param aKey - compared value

 * @return EFalse if values are not equal, other value if they match

 */

TBool TTsModelItemKey::operator == ( const TTsModelItemKey aKey ) const

    {

    return ( iKey == aKey.iKey && iRoot == aKey.iRoot );

    }

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

/**

 * Enable access to key value

 * @return key value

 */

TInt TTsModelItemKey::Key() const

    {

    return iKey;

    }

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

/**

 * Serialize key into data stream

 * @param aStream - destination binary stream

 */

void TTsModelItemKey::ExternalizeL( RWriteStream& aStream ) const

    {

    aStream.WriteInt32L( iKey );

    aStream.WriteInt32L( iRoot );

    }

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

/**

 * Deserialize key from data stream

 * @param aStream - source binary stream

 */

void TTsModelItemKey::InternalizeL( RReadStream& aStream )

    {

    iKey = aStream.ReadInt32L();

    iRoot = aStream.ReadInt32L();

    }