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https://issues.apache.org/jira/browse/MNG-5900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16110544#comment-16110544
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Erwin Hoeckx commented on MNG-5900:
-----------------------------------

We have the same situation that [~FlorianSchaetz] is sketching (although in a 
bit different style).

Wrt the discussion about _this_ (although I think _this_ is clear): 'this' in 
the context of a 'parent' pom lands when developers understand the relationship 
between the parent/child pom, and the notion of a project. As [~schulte77] 
points out, it can be a bit confusing if you think in terms of OO, but proper 
documentation should sort this out. Perhaps 'pom' (referring to the the current 
POM you're looking at)?


+1 for this making it into maven 4!

> early interpolation: support ${this.*} as expression
> ----------------------------------------------------
>
>                 Key: MNG-5900
>                 URL: https://issues.apache.org/jira/browse/MNG-5900
>             Project: Maven
>          Issue Type: New Feature
>          Components: Inheritance and Interpolation, POM
>            Reporter: Robert Scholte
>             Fix For: Issues to be reviewed for 4.x
>
>
> Right now we have $\{project.\*} which always interpolates values based on 
> the final project: "classical" interpolation is "late" interpolation. So it 
> is not possible that parent poms can lock values, ie avoid child poms 
> override. By adding $\{this} for "early" interpolation, it will be possible 
> to have intermediate interpolation.
> If a pomfile depends on a parent, that parent will first resolve all 
> $\{this.\*} values for itself. Once the fully inherited pom is there, all 
> $\{project.\*} will be resolved. 



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