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From Benson Margulies <bimargul...@gmail.com>
Subject Re: [lang][collections] Overlap; Collections thoughts
Date Wed, 30 Dec 2009 11:58:30 GMT
Henri,

To make this more interesting, the new collections over in mahout-math
might be covering some of the territory you are looking for here.

--benson


On Wed, Dec 30, 2009 at 5:18 AM, Henri Yandell <flamefew@gmail.com> wrote:
> Overlap between Lang and Collections is starting to increase a bit.
> Requested items for ArrayUtils (LANG-238, LANG-470) are better
> implemented imo as an ArraySet class. An easy add to Collections.
>
> ComparableComparator made its way (privately) over for the new Range
> class. Fair enough - Comparable and Comparator also overlap between
> lang.* and util.*.
>
> I have a JIRA issue threat to consider moving Collections code over to
> Lang if Collections becomes dead [LANG-532]  :)
>
> ---
>
> One thought I have for Collections is splitting it up into two parts.
> The first would be items that add to collections in the JDK, the
> second would be additional collections. The former could conceivably
> merge with Lang, the latter could also be split up into an SPI style
> approach with an API jar and an Impl jar. The latter would most likely
> depend on the former.
>
> It would then be tempting to also merge Functors for example into the
> latter, plus I think we could get back on the bandwagon of adding new
> things, like the long standing Trie JIRA issue.
>
> Biased note: Part of this is that I'm interested in the JDK enhancing
> parts, but not all the implementations of weird and whacky
> collections; however I think this is likely not just me and that the
> separation would do wonders for the release cycle.
>
> Thoughts?
>
> Hen
>
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