[infinispan-issues] [JBoss JIRA] (ISPN-6443) Add ability to cancel an event in a listener

[Vincent Massol (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-6443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13183040#comment-13183040 ] 

Vincent Massol commented on ISPN-6443:
--------------------------------------

See also https://developer.jboss.org/thread/268862

> Add ability to cancel an event in a listener
> --------------------------------------------
>
>                 Key: ISPN-6443
>                 URL: https://issues.jboss.org/browse/ISPN-6443
>             Project: Infinispan
>          Issue Type: Enhancement
>          Components: Core, Expiration
>    Affects Versions: 8.2.0.Final
>            Reporter: Vincent Massol
>
> My use case is the following:
> * I have some lenghty computation that I cache
> * I don't want users to incur the wait before the computation is finished
> * Thus, upon expiration, I'd like to put back the entry in the cache and start a thread to perform a recomputation (which would put the recomputed value in the cache)
> * The issue is that the cache has a lock on the entry and thus I can't put it back in the cache.
> Thus one solution is to be able to cancel the expiration event (and thus not have to put back the entry in the cache).



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