--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/locationtriggering/ltstrategyengine/inc/lbttriggerkey.h	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,55 @@
+/*
+* 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:  Class definition of Trigger Key
+*
+*/
+
+
+
+#ifndef T_LBTTRIGGERKEY_H
+#define T_LBTTRIGGERKEY_H
+
+
+#include <s32btree.h>
+
+
+/**
+ * TTriggerKey is a class 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