locationtriggering/ltstrategyengine/src/lbttriggerkey.cpp
changeset 0 667063e416a2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/locationtriggering/ltstrategyengine/src/lbttriggerkey.cpp	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,74 @@
+/*
+* 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 );
+    }