[jira] Resolved: (COLLECTIONS-340) NOPClosure has a broken equals method

["Matt Benson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COLLECTIONS-340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Benson resolved COLLECTIONS-340.
-------------------------------------

    Resolution: Fixed

Rather than remove it -- any NOPClosure, after all, _should_ be equal to any other -- I fixed it.  Committed revision 825148.

> NOPClosure has a broken equals method
> -------------------------------------
>
>                 Key: COLLECTIONS-340
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-340
>             Project: Commons Collections
>          Issue Type: Bug
>          Components: Functor
>            Reporter: Goran Hacek
>            Priority: Minor
>             Fix For: Generics
>
>
> Equals method of NOPClosure class doesn't follow objects equals contract. It isn't symmetric nor transitive and it is just plain wrong.
> Following code evaluates to true on most (if not all) JVM implementations:
> {noformat} NOPClosure.INSTANCE.equals(new Integer(System.identityHashCode(NOPClosure.INSTANCE))) {noformat} 

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