/*

* Copyright (c) 2006, 2007 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:  Implementation Trigger Key class used to identify trigger

*                information stored in the BTree

*

*/

#include "lbttriggerkey.h"

#include "lbttriggerview.h"

// ======== MEMBER FUNCTIONS ========

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

// TLbtTriggerKey::Between

// 

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

//

void TLbtTriggerKey::Between( const TAny* aLeft, const TAny* aRight, 

                                                    TBtreePivot& aPivot ) const

    {

	TUint32 left = *( TUint32* ) aLeft;

	TUint32 right = *( TUint32* ) aRight;

	TUint32 mid = left + ( right - left ) / 2;

	aPivot.Copy( ( TUint8* )&mid, sizeof( mid ) );

    }

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

// TLbtTriggerKey::Compare

// 

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

//

TInt TLbtTriggerKey::Compare( const TAny* aLeft, const TAny* aRight ) const

    { 

	TUint32 left = *( TUint32* ) aLeft;

	TUint32 right = *( TUint32* ) aRight;

	if( left < right )

	    {

	    return -1;

	    }

	else if( left > right )

	    {

	    return 1;

	    }

	return 0;

    }

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

// TLbtTriggerKey::Key

// 

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

//

const TAny* TLbtTriggerKey::Key( const TAny* anEntry ) const

    {

	CLbtTriggerView::TTrigger* t = ( CLbtTriggerView::TTrigger* ) anEntry;

	return ( TAny* )&( t->key );

    }