<!--- @@Copyright: Daemon Pty Limited 2002-2008, http://www.daemon.com.au --->
<!--- @@License:
    This file is part of FarCry.

    FarCry is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    FarCry is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with FarCry.  If not, see <http://www.gnu.org/licenses/>.
--->
<!---
|| VERSION CONTROL ||
$Header: /cvs/farcry/core/packages/farcry/_tree/getRootNode.cfm,v 1.6 2005/08/09 03:54:39 geoff Exp $
$Author: geoff $
$Date: 2005/08/09 03:54:39 $
$Name: milestone_3-0-1 $
$Revision: 1.6 $

|| DESCRIPTION || 
$Description: getRootNode Function $


|| DEVELOPER ||
$Developer: Paul Harrison (harrisonp@cbs.curtin.edu.au) $

|| ATTRIBUTES ||
$in: $
$out:$
--->

<cfsetting enablecfoutputonly="yes">

<cfquery datasource="#arguments.dsn#" name="qRoot">
SELECT * FROM #application.dbowner#nested_tree_objects
WHERE 	nlevel = 0
AND typename = '#arguments.typename#'
</cfquery>

<cfif qRoot.recordcount gt 1>
	<cfthrow errorcode="utils.tree" detail="getRootNode(): Returned multiple roots for '#arguments.typename#'.  Nested tree model is corrupt.">
</cfif>

<!--- set return variable --->
<cfset qReturn=qRoot>

<cfsetting enablecfoutputonly="no">