问题描述
我听说.NET 4中有一个新的缓存API。
I heard that .NET 4 has a new caching API.
好了，好老的System.Web.Caching.Cache （这是，顺便说一下，仍然存在于.NET 4）具有设置这样的能力-called 的CacheDependency 对象，以确定是否缓存项过期。
Okay, so the good old System.Web.Caching.Cache (which is, by the way, still there in .NET 4) has the ability to set so-called CacheDependency objects to determine whether a cached item is expired or not.
你也可以用于确定缓存项是否仍然可用与否由的CacheDependency 导出自定义子类指定自定义逻辑。
One can also specify custom logic for determining whether a cached item is still useable or not by deriving a custom subclass from CacheDependency.
我很好奇，是有没有办法在新的API提供了这样的逻辑？
I'm curious, is there a way to provide such a logic in the new API?
推荐答案
我还没有真正使用过它，不过也从类派生ChangeMonitor类似乎起到类似的目的。
I haven't really used it yet but classes derived from ChangeMonitor Class appear to serve a similar purpose.
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