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/*
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* Copyright (c) 2006, 2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Implementation Trigger Key class used to identify trigger
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* information stored in the BTree
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*
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*/
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#include "lbttriggerkey.h"
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#include "lbttriggerview.h"
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// ======== MEMBER FUNCTIONS ========
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// -----------------------------------------------------------------------------
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// TLbtTriggerKey::Between
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//
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// -----------------------------------------------------------------------------
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//
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void TLbtTriggerKey::Between( const TAny* aLeft, const TAny* aRight,
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TBtreePivot& aPivot ) const
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{
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TUint32 left = *( TUint32* ) aLeft;
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TUint32 right = *( TUint32* ) aRight;
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TUint32 mid = left + ( right - left ) / 2;
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aPivot.Copy( ( TUint8* )&mid, sizeof( mid ) );
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}
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// -----------------------------------------------------------------------------
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// TLbtTriggerKey::Compare
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//
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// -----------------------------------------------------------------------------
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//
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TInt TLbtTriggerKey::Compare( const TAny* aLeft, const TAny* aRight ) const
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{
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TUint32 left = *( TUint32* ) aLeft;
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TUint32 right = *( TUint32* ) aRight;
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if( left < right )
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{
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return -1;
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}
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else if( left > right )
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{
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return 1;
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}
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return 0;
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}
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// -----------------------------------------------------------------------------
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// TLbtTriggerKey::Key
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//
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// -----------------------------------------------------------------------------
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//
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const TAny* TLbtTriggerKey::Key( const TAny* anEntry ) const
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{
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CLbtTriggerView::TTrigger* t = ( CLbtTriggerView::TTrigger* ) anEntry;
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return ( TAny* )&( t->key );
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}
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