我目前正在尝试利用铁路和Mongoid开发一个简单的网络游戏。 我陷入了一些难以解决的一致问题。
问题不在于如何原样地进行核查,并在蒙戈德采取行动。
这里是控制器法相关部分的样本,目的是让大家了解试图做些什么:
battle = current_user.battle
battle.submitted = true
battle.save
if Battle.where(opponent: current_user._id, submitted: true, resolving: false).any?
battle.update_attribute(:resolving, true)
#Resolve turn
两家用户之间是一场战斗,但只想让一只透镜进行。 现在,除非两条read子完全脱下,可以相互核对条件,但在确定真实情况之前,两者最终都适用了“Resolve轮车”法。
我非常赞赏关于如何解决这一问题的任何想法。
然而,我越来越感到,以这种方式使用户步调一致的做法相当不切实际,而且有更好的办法。 因此,对于能够完成同样工作的其他技术的建议将受到高度赞赏。
http://www.mongodb.org 允许你原子检索和更新一行。
很不幸的是,mongoid 似乎没有暴露其中的那部分地方,因此,它像你一样,不得不降低到这个轨道的驾驶水平:
battle = Battle.collection.find_and_modify(query: {oppenent: current_user._id, ...},
update: { $set => {resolving: true})
否则,所交回的物体并非<>m>包括所作的修改,但如果你想要的话,你可以转而使用(第{:新 = ;真实})。
如果我的回忆是正确的,那么所回升的价值就是一种原始的散射,那么,如果你能够打上“Bats.instackate(思想)>> / 密码,以获得“条形状”的物体。
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