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https://issues.apache.org/jira/browse/CAUSEWAY-3331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Keir Haywood updated CAUSEWAY-3331:
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Component/s: Core
Fix Version/s: (was: 2.0.0-RC5)
> [Validation] 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
> Components: Core
> Affects Versions: 2.0.0-M9
> Reporter: Daniel Keir Haywood
> Priority: Major
>
> 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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