When use both expireAfterAccess and expireAfterWrite options

[bokman]

Hi All. Happy new year

when I use both option. I think the result is strange. Can you explain the internal logic when this happens?

first, if I use expireAfterWrite and expireAfterAccess both. how it will be expired. follow AfterWrite? or AfterAccess?

The results show that it behaves like expireAfterWrite, but Why didn't key1 come out when it was 0 seconds?

when I use just expireAfterWrite

I want to understand underlying logic

Please understand that my English is not good

[Ben Manes]

It was likely a mistake to allow both expiration settings to be used at once. These are two independent durations, so the shortest will always take precedence. Generally when both are set then expireAfterWrite is what the user wanted and will observe. I don't recall ever seeing a valid reason when both were set.

To better control time in a unit test then you can use FakeTicker (from testlib) and if you believe there is a bug then please file an issue with the failing test. 

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