[jira] [Closed] (LANG-827) CompareToBuilder's doc doesn't specify precedence of fields it uses in performing comparisons

["Benedikt Ritter (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LANG-827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benedikt Ritter closed LANG-827.
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> CompareToBuilder's doc doesn't specify precedence of fields it uses in performing comparisons
> ---------------------------------------------------------------------------------------------
>
>                 Key: LANG-827
>                 URL: https://issues.apache.org/jira/browse/LANG-827
>             Project: Commons Lang
>          Issue Type: Improvement
>          Components: lang.builder.*
>    Affects Versions: 3.1
>            Reporter: david cogen
>            Assignee: Duncan Jones
>              Labels: documentation
>             Fix For: 3.4
>
>
> The doc does not specify in what order the fields declared using append() are applied. So if for example I use CompareToBuilder to build a comparator for a class Complex (2 doubles), and I use append(c.real) followed by append(c.imag), does the comparison consider the real or imaginary part "more important" for the final result of the comparison.
> And similarly, the reflection versions also don't specify the order of the fields they consider.
> Yes, I can experiment to determine the behavior. Which I am about to do. But I am not comfortable relying on experimentally-determined, undocumented behavior for correcteness. Which is why I classified this as Major priority, not Minor or Trivial.



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