class AnFillblankDaoImpl extends BaseDaoImpl<AnFillblank, String> implements AnFillblankDao{

	@Override
	public void findGroupStats(Question question) {<FILL_FUNCTION_BODY>}

}

		String sql="select count(case when answer='' then answer end) emptyCount, count(case when answer!='' then answer end) blankCount from t_an_fillblank where  visibility=1 and  qu_id=?";
		Object[] objs=(Object[]) this.getSession().createSQLQuery(sql).setParameter(1, question.getId()).uniqueResult();

		question.setRowContent(objs[0].toString());//未回答数
		question.setOptionContent(objs[1].toString());//回答的项数
		question.setAnCount(Integer.parseInt(objs[1].toString()));
	
<methods>public non-sealed void <init>() <variables>