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From "Dan Adams (JIRA)" <...@tapestry.apache.org>
Subject [jira] Closed: (TAPESTRY-1615) ClassTransformation needs ability to rename a method and extend the beginning of a method
Date Sat, 01 Mar 2008 17:10:51 GMT

     [ https://issues.apache.org/jira/browse/TAPESTRY-1615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Dan Adams closed TAPESTRY-1615.

> ClassTransformation needs ability to rename a method and extend the beginning of a method
> -----------------------------------------------------------------------------------------
>                 Key: TAPESTRY-1615
>                 URL: https://issues.apache.org/jira/browse/TAPESTRY-1615
>             Project: Tapestry
>          Issue Type: Improvement
>          Components: tapestry-core
>    Affects Versions: 5.0.5
>            Reporter: Dan Adams
>            Assignee: Dan Adams
>             Fix For: 5.0.6
> My original problem:
> -------------------------------------------
> Okay, so I'm creating a @Once annotation that when applied to a method
> like so:
> @Once
> public List<Foos> getFoos() {
>   // do some expensive operation like reading foos from the db
> }
> you can call getFoos() as much as you want and it will only actually
> execute once, allowing you to reference foos many times in your template
> (or elsewhere) without having to worry about doing expensive operations
> multiple times or having to cache a value manually.
> I had this working just fine in T4 because you could call the superclass
> method but since this is transforming the class I can't call
> super.getFoos(). ClassTransformation doesn't seem to have any methods
> for renaming a method or replacing any calls to it.
> --------------------------
> This could be solved by either being able to rename a method so all calls go to your
new method which can call the old method or by being able to add code to the beginning of
a method similar to how extendMethod() currently adds to the end.

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