Eclipse快速上手EJB -- 5. 一对多的双向关系的CMR（2）

while (iter.hasNext()) { UserInfoLocal user = (UserInfoLocal) iter.next(); user.getUser().getRoles().add(role); } } /** * 通过 ejb.finder 输出某组别的用户 * @throws FinderException * @ejb.interface-method view-type="remote" */ public ArrayList getUserIDsInGroup1(String groupName) throws FinderException { ArrayList userList = new ArrayList(30); GroupLocal group = groupHome.findByPrimaryKey(groupName); Iterator iter = group.getUsers().iterator(); while (iter.hasNext()) { UserInfoLocal element = (UserInfoLocal) iter.next(); userList.add(element.getEmail()); } return userList; } /** * 通过 ejb.select 输出某组别的用户 * Business method * @throws FinderException * @ejb.interface-method view-type = "remote" */ public ArrayList getUserIDsInGroup2(String groupName) throws FinderException { return groupHome.getUserIDs(groupName); }