Hibernate中将HQL转换成SQL的方法

public String hql2Sql(String hql) {
		if (sessionFactory != null && sessionFactory instanceof SessionFactoryImpl) {
			SessionFactoryImpl sfi = (SessionFactoryImpl) sessionFactory;
			Session session = sessionFactory.openSession();
			if (session != null && session instanceof SessionImpl) {
				SessionImpl si = (SessionImpl) session;
				QueryTranslatorFactory qtf = sfi.getSettings().getQueryTranslatorFactory();
				Map enableFilters = si.getEnabledFilters();
				if (enableFilters == null) {
					enableFilters = Collections.EMPTY_MAP;
				}
				FilterTranslator qt = qtf.createFilterTranslator(hql, hql, enableFilters, sfi);
				qt.compile(enableFilters, false);

				String sql = qt.getSQLString();

				return sql;
			}
		}

		return null;

	}