String update = updateOpen + gen.generateElement() + updateClose;
String update = updateOpen + xmlGenerator.generateElement() + updateClose;
	private void append(XUpdateQueryService service) throws Exception {		final String updateOpen =			"<xu:modifications xmlns:xu=\"http://www.xmldb.org/xupdate\" version=\"1.0\">" +			"<xu:append select=\"/ROOT-ELEMENT\" child=\"1\">";		final String updateClose =			"</xu:append>" +			"</xu:modifications>";		System.out.println(Thread.currentThread().getName() + ": inserting elements ...");		for (int i = 0; i < 10; i++) {			String update = updateOpen + gen.generateElement() + updateClose;			service.update(update);		}	}