diff -r 000000000000 -r 667063e416a2 locationtriggering/ltcontainer/inc/lbttriggerkey.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/locationtriggering/ltcontainer/inc/lbttriggerkey.h Tue Feb 02 01:06:48 2010 +0200 @@ -0,0 +1,55 @@ +/* +* Copyright (c) 2006 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: Class definition of Trigger Key +* +*/ + + + +#ifndef T_LBTTRIGGERKEY_H +#define T_LBTTRIGGERKEY_H + + +#include + + +/** + * TTriggerKey is a class to used to create and order keys to be used for + * entries in the Btree + */ +class TLbtTriggerKey : public MBtreeKey + + { + +public: // From Base Class MBtreeKey + + /** + * Retrieves the key value for a particular entry + */ + virtual const TAny* Key( const TAny* anEntry ) const; + + /** + * Orders two keys + */ + virtual TInt Compare( const TAny *aLeft, const TAny *aRight ) const; + + /** + * Determines the midpoint between two keys + */ + virtual void Between( const TAny *aLeft, const TAny *aRight, + TBtreePivot &aPivot ) const; + + }; + +#endif // T_LBTTRIGGERKEY_H