class DocumentServiceImpl extends RemoteServiceServlet implements DocumentService {

	@Override
	public void markHistoryAsRead(String event) throws ServerException {
		Session session = ServiceUtil.validateSession(getThreadLocalRequest());
		DocumentHistoryDAO dao = (DocumentHistoryDAO) Context.get().getBean(DocumentHistoryDAO.class);
		dao.markHistoriesAsRead(event, session.getUserId());
	}

}