[jira] Commented: (COLLECTIONS-259) TransformerClosure should implement Transformer and allow extension.

["Stephen Colebourne (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/COLLECTIONS-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12511686 ] 

Stephen Colebourne commented on COLLECTIONS-259:
------------------------------------------------

An interesting idea, however I sense that it might confuse the intent of the class for a limited use case.

> TransformerClosure should implement Transformer and allow extension.
> --------------------------------------------------------------------
>
>                 Key: COLLECTIONS-259
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-259
>             Project: Commons Collections
>          Issue Type: Improvement
>          Components: Functor
>    Affects Versions: 3.2
>            Reporter: Stephen Kestle
>            Priority: Minor
>             Fix For: 3.3, Generics
>
>
> TransformerClosure currently decorates a transformer.  However, in the interests of non-verbose code, it makes sense to be able to subclass it for a class that implements both interfaces.
> I propose the addition of the following constructor and method
> protected TransformerClosure(){
>      iTransformer = this;
> }
> public O transform(I in){
>     return iTransformer.transform();
> }

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