commons-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From James Carman <ja...@carmanconsulting.com>
Subject Re: [chain][v2] clever context
Date Sun, 04 Sep 2011 12:39:58 GMT
Yeah, I tried that sort of setup with the ArrayUtils.toMap() method
and it was shot down
(http://apache-commons.680414.n4.nabble.com/Re-svn-commit-r983137-commons-proper-lang-trunk-src-main-java-org-apache-commons-lang3-ArrayUtils-jaa-td2317854.html).
 Good luck with that.  It wasn't worth my time to continue to argue
about it anymore, so I reverted it.

On Sun, Sep 4, 2011 at 5:22 AM, Simone Tripodi <simonetripodi@apache.org> wrote:
> Hi all guys,
> I think that generics could help us on improving the Context class;
> I'm not particularly happy having it extending Map - it is needed
> anyway for backward compatibility - but it is clear that Context is a
> place where storing/retrieving objects identified by a key.
> I propose adding two helper methods
>
>    /** @since 2.0 */
>    <T> T retrieve( String key );
>
>    /** @since 2.0 */
>    <T> void store( String key, T object );
>
> that would help users avoid the redundant code of type cast/checking
> when assignments are already known (it throws a ClassCastException if
> types are not assignable).
> At the same time, old pattern is supported, users can choose their
> preferred way to go, depending on their needs.
> WDYT?
> Many thanks in advance, all the best!
> Simo
>
> http://people.apache.org/~simonetripodi/
> http://www.99soft.org/
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org
> For additional commands, e-mail: dev-help@commons.apache.org
>
>

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org
For additional commands, e-mail: dev-help@commons.apache.org


Mime
View raw message