[jira] [Updated] (CAUSEWAY-3331) Add a MM validation for number of parameters in supporting methods, eg choices5Act()

["Daniel Keir Haywood (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAUSEWAY-3331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Keir Haywood updated CAUSEWAY-3331:
------------------------------------------
    Fix Version/s: 2.0.0-RC2
                       (was: 2.0.0-RC1)

> Add a MM validation for number of parameters in supporting methods, eg choices5Act()
> ------------------------------------------------------------------------------------
>
>                 Key: CAUSEWAY-3331
>                 URL: https://issues.apache.org/jira/browse/CAUSEWAY-3331
>             Project: Causeway
>          Issue Type: Improvement
>    Affects Versions: 2.0.0-M9
>            Reporter: Daniel Keir Haywood
>            Priority: Major
>             Fix For: 2.0.0-RC2
>
>
> In converting v1 to v2, we came across a supporting "choices" method that was incorrectly accepted in v1, but rejected in v2 as being orphaned.
> ```
> public Foo myAction(X x, Y y, Z z, W w) \{ ... }
> public List<Z> choices2(X x, Y y, Z z, W w) \{ ... }
> ```
> The error was that the choices method incorrectly included parameters AFTER the 'Nth' parameter, in other words it should have been:
> ```
> public List<Z> choices2(X x, Y y) \{ ... }
> ```
> It would be preferable if a MM validation (with higher priority than the one that triggered) could have given a message something like:
> "there should only be 2 parameters in "choices2(...)", instead found 4."
>  



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