this.pool = pool; this.user = user;
this.broker = broker;
	public XUpdateProcessor(BrokerPool pool, User user, DocumentSet docs)		throws ParserConfigurationException {		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();		factory.setNamespaceAware(true);		factory.setValidating(false);		builder = factory.newDocumentBuilder();		this.pool = pool;		this.user = user;		this.documentSet = docs;	}