[jira] Closed: (TAPESTRY-2348) Add annotation to expose the properties of a component field as properties of the component

["Howard M. Lewis Ship (JIRA)" <de...@tapestry.apache.org>]

     [ https://issues.apache.org/jira/browse/TAPESTRY-2348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Howard M. Lewis Ship closed TAPESTRY-2348.
------------------------------------------

    Resolution: Invalid
      Assignee: Howard M. Lewis Ship

On much later reflection, this is just too much magic for too little gain.

> Add annotation to expose the properties of a component field  as properties of the component
> --------------------------------------------------------------------------------------------
>
>                 Key: TAPESTRY-2348
>                 URL: https://issues.apache.org/jira/browse/TAPESTRY-2348
>             Project: Tapestry
>          Issue Type: New Feature
>          Components: tapestry-core
>    Affects Versions: 5.0.11
>            Reporter: Howard M. Lewis Ship
>            Assignee: Howard M. Lewis Ship
>            Priority: Minor
>
> This struck me as a useful idea, what if you could do the following:
> public class EditUser {
>   @PropertyDelegate
>   private User _user;
>   ...
> }
> With this, all the properties of User would be properties of the EditUser page, with implementations delegating to the _user field.  
> The annotation should include include and exclude attributes (comma separated list of property names) and should automatically exclude the "class"  property.
> An advantage here is that you can take better advantage of the computed default for the value attribute of many components (i.e., matching a property of the component whose name matches the id).
> On the other hand, if there isn't a way to copy the annotations from the delegate object's getters and setters, this would likely cause more problems than it would solve.

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