return SplitJoin.WEIGHTED_ROUND_ROBIN (w1, w2);
return SplitJoin.WEIGHTED_ROUND_ROBIN (w1);
    public static SplitJoin.SplitJoinType WEIGHTED_ROUND_ROBIN (int w1, int w2)    {        return SplitJoin.WEIGHTED_ROUND_ROBIN (w1, w2);    }