* Constructor for XUpdateProcessor.
*/
public XUpdateProcessor(DBBroker broker, DocumentSet docs, AccessContext accessCtx)
throws ParserConfigurationException {
if(accessCtx == null)
{throw new NullAccessContextException();}
this.accessCtx = accessCtx;
final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
factory.setValidating(false);
this.builder = factory.newDocumentBuilder();