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https://issues.apache.org/jira/browse/DIRECTMEMORY-41?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13176609#comment-13176609
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Raffaele P. Guidi commented on DIRECTMEMORY-41:
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There's also another semantic difference between the two - expiresIn could be
used for "sliding" expiration - that is: "expires in 10 minutes since last
read" that could be useful in some cases
> Unified usage of Pointer.expires and Pointer.expiresIn
> ------------------------------------------------------
>
> Key: DIRECTMEMORY-41
> URL: https://issues.apache.org/jira/browse/DIRECTMEMORY-41
> Project: Apache DirectMemory
> Issue Type: Improvement
> Reporter: Benoit Perroud
> Priority: Minor
>
> Pointer.expires and Pointer.expiresIn variables have the same goal. It could
> be trivial to unify them and then keep on of the version : either the
> absolute expiration is kept and expiresIn is stored as currentTimeMillis +
> expiresIn, or relative expiration is kept and expires is stored as expires -
> currentTimeMillis.
> retrive function should also be aware of the expiration and have appropriate
> behavior when a pointer's value has expired (throw an exception or return
> null ?)
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