MongoDB List操作：addToSet、AddToSetBuilder

Document
{
"_id" : "1dfsfiwaefasfjasdkfasjf",
"list" : []
}

//批量插入
Update update = new Update();
Update.AddToSetBuilder addToSetBuilder =   update.addToSet("list");
addToSetBuilder.each(uids);
this.update(Query.query(Criteria.where("_id").is(id)),update);

//批量删除
Update update = new Update();
update.pullAll("list", uids);
this.update(Query.query(Criteria.where("_id").is(id)),update);