String xupdate = XUPDATE_START + xmlGenerator.generateText(attrSize) + XUPDATE_END;
	public boolean execute() throws Exception {		Collection col = DatabaseManager.getCollection(collectionPath, "admin", null);		XUpdateQueryService service = (XUpdateQueryService)			col.getService("XUpdateQueryService", "1.0");		int attrSize = rand.nextInt(5);		String xupdate = XUPDATE_START + xmlGenerator.generateText(attrSize) + XUPDATE_END;		for (int i = 0; i < 10; i++) {			long mods = service.update(xupdate);			System.out.println(Thread.currentThread().getName() + ": " + mods + " attributes updated ...");		}		return false;	}