AbstractFromImpl.java 文件源码

@Override
    public <Y> JpaSetJoin<X, Y> join(SetAttribute<? super X, Y> set, JoinType jt) {
//      if ( !canBeJoinSource() ) {
//          throw illegalJoin();
//      }
//
//      final SetJoin<X, Y> join = constructJoin( set, jt );
//      joinScope.addJoin( join );
//      return join;

        throw new NotYetImplementedException(  );
    }