[infinispan-issues] [JBoss JIRA] (ISPN-3025) NullMarkerEntry is singleton but can be changed - very error prone!

[Pedro Ruivo (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-3025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12786460#comment-12786460 ] 

Pedro Ruivo commented on ISPN-3025:
-----------------------------------

this may be fixed in https://github.com/infinispan/infinispan/pull/1937/ since this class is not used anymore (https://github.com/infinispan/infinispan/pull/1937/files#diff-13)
                
> NullMarkerEntry is singleton but can be changed - very error prone!
> -------------------------------------------------------------------
>
>                 Key: ISPN-3025
>                 URL: https://issues.jboss.org/browse/ISPN-3025
>             Project: Infinispan
>          Issue Type: Bug
>    Affects Versions: 5.2.5.Final
>            Reporter: Mircea Markus
>            Assignee: Mircea Markus
>             Fix For: 6.0.0.Final
>
>
> NullMarkerEntry is singleton but almost all the flags it aggregates can be amended. this is dangerous as some code might read the e.g. isChanged() value in a total random manner.

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