public User getUser(long uid, long mid) {
User user = userMapper.get(uid, mid);
if (user == null) {
return null;
}
fillUserExtInfo(user);
return user;
}
private void checkMid(long uid, long mid) {
if (userMapper.get(uid, mid) == null) {
throw new IllegalArgumentException("user is not exist. uid=" + uid + ", mid=" + mid);
}
}