[jira] Commented: (WICKET-3242) Component and some derived classes lose the Model type information, not parameterized by type

["Martin Grigorov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WICKET-3242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12969443#action_12969443 ] 

Martin Grigorov commented on WICKET-3242:
-----------------------------------------

This was tried for Wicket 1.4 but the outcome wasn't very good - creation/instantiation of components became too verbose.
For more details see:
- https://cwiki.apache.org/WICKET/generics.html
- https://cwiki.apache.org/WICKET/migrating-to-wicket-14.html#MigratingtoWicket1.4-Component.getModel%2528%2529andfriendsrenamedtogetDefaultModel%2528%2529andfriends

> Component and some derived classes lose the Model type information, not parameterized by type
> ---------------------------------------------------------------------------------------------
>
>                 Key: WICKET-3242
>                 URL: https://issues.apache.org/jira/browse/WICKET-3242
>             Project: Wicket
>          Issue Type: Improvement
>          Components: wicket
>    Affects Versions: 1.5-M3
>         Environment: All
>            Reporter: Richard Emberson
>
> Component and some derived classes (like MarkupContainer) are not parameterized
> by the type of the Model. As a result, methods such as:
> getDefaultModelObject
> and
> getDefaultModel
> rather than being typed return Object and IModel<?>.
> Code that uses these methods must then ferret out the type which, IMHO,
> should not be the case.
> Please take advantage of the strong typing that generics provide in the Componet
> base classes. User code would be safer and cleaner if they did not have to
> have the instanceof tests and casts.
> Better to delay 1.5 than to only partially support parameterized types.
> Thanks

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