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https://issues.apache.org/jira/browse/JEXL-218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitri Blinov closed JEXL-218.
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Resolution: Not A Problem
Fix Version/s: 3.0
This issue was resolved as bug in client code, has nothing to do with jexl,
sorry.
> Overloaded JexlArithmetic.empty() method is not called for a class
> implementing Map interface
> ---------------------------------------------------------------------------------------------
>
> Key: JEXL-218
> URL: https://issues.apache.org/jira/browse/JEXL-218
> Project: Commons JEXL
> Issue Type: Bug
> Affects Versions: 3.0
> Reporter: Dmitri Blinov
> Fix For: 3.0
>
>
> Sorry for not providing a test case but this is a rare problem I haven't
> managed to catch. I have a class which implements a {{Map}} interface and I
> have an overloaded {{JexlArithmetic.empty()}} and {{JexlArithmetic.size()}}
> methods for this class, and these methods are *not* related to correspondent
> {{Map.isEmpty()}} and {{Map.size()}} methods, they provide separate semantics
> in my case. Apart from the point that this design is questionable, most of
> the time everything works as expected in jexl, i.e. when {code}empty(x){code}
> or {code}size(x){code} operators are used in scripting, the overloaded
> {{JexlArithmetic.empty()}} and {{JexlArithmetic.size()}} are called. But
> sometimes in rare circumstances these operators are not called and
> {{Map.isEmpty()}} and {{Map.size()}} methods respectively are called instead.
> I suspect this has something to do with operators caching, may be you'll be
> able to check the code?
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