Copyright (c) 2002-2004 IBM Corporation and others.
All rights reserved. This program and the accompanying materials
are made available under the terms of the Eclipse Public License v1.0
which accompanies this distribution, and is available at
IBM - Initial API and implementation
$Id: XSDParticleContentItemProvider.java,v 1.2 2005/06/08 06:16:36 nickb Exp $
This constructs an instance from a factory and a notifier.