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https://issues.apache.org/jira/browse/COLLECTIONS-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12512402
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Stephen Colebourne commented on COLLECTIONS-259:
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My preference would be to see the Predicate/Transformer/Closure parts of
[collections-generics] separated into a separate jar/project, as I don't think
that they are the main focus of interest for [collections]. Then, I think
adding new constructors/methods like this would have less impact (eg. on jar
file size of the main [collections] jar)
> 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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