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Date: Sun, 21 Nov 2004 23:39:42 -0800
From: Martin Cooper <mfncooper@gmail.com>
Reply-To: Martin Cooper <mfncooper@gmail.com>
To: Jakarta Commons Developers List <commons-dev@jakarta.apache.org>
Subject: Re: [VOTE] Release Chain 1.0
In-Reply-To: <009201c4d047$292fa420$0302a8c0@mattlaptop>
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References: <20041121145254.T752@minotaur.apache.org>
	 <009201c4d047$292fa420$0302a8c0@mattlaptop>

This sounds like an enhancement request to me. Are you really
suggesting that Chain should not be released until your specific
enhancement is endorsed and incorporated into the component? I'm
afraid I, for one, can't sign up for that.

Suggestions for enhancements should be made on separate threads. This
thread is for a vote on whether or not to release what we have now.

--
Martin Cooper


On Sun, 21 Nov 2004 22:55:51 -0500, Matt Sgarlata
<matt.sgarlata@spiderstrategies.com> wrote:
> Before a 1.0 release, I would like to suggest an alternative Context
> interface.  Sorry, I realize I'm getting to the game a little late ;)  I
> think it is inappropriate for Context to extend from Map, because a Context
> as defined in the Chain package isn't really a Map.  Maps are great, but for
> what the Chain package is trying to do they're probably overkill.  One
> testament to this fact is the incredible difficulty of implementing the
> ServletWebContext class.  Implementing methods like entrySet(), keySet(),
> and values() are a real pain, and the implementations are all O(n)... ouch.
> 
> Below is my suggested alternative interface.  It's simple by design, to make
> it easy to implement.
> 
> public interface Context {
> 
>    public String[] getPropertyNames() throws ContextException;
> 
>    public Object get(String propertyName) throws ContextException;
> 
>    public void set(String propertyName, Object propertyValue)
>        throws ContextException;
> }
> 
> I also am concerned that the ServletWebContext class exposes too much
> information that is specific to the presentation tier.  Even if a business
> object were to depend only on the Context interface, if a ServletWebContext
> was passed in, the business object would be tied to HTTP symantics with
> calls such as context.get("sessionScope.myBean.myProperty").  I would
> recommend a context simliar to the one available to the JST: let request
> attributes be a scratchpad and let session and application items be visible
> so long as they aren't blocked by a lower level.
> 
> For full javadoc on my ideas behind contexts, please see the
> net.sf.morph.Context class and the net.sf.morph.context.* package.  Also,
> take a look at net.sf.morph.context.ServletWebContext.  Here's a link to the
> Morph homepage where you can access the Morph API:
> http://www.crystalcognition.com/sgarlatm/morph
> 
> I'm not on SourceForge yet but I applied on Friday so hopefully I'll be
> there soon!
> 
> Matt
> 
> 
> ----- Original Message -----
> From: "Martin Cooper" <martinc@apache.org>
> To: <commons-dev@jakarta.apache.org>
> Sent: Sunday, November 21, 2004 6:01 PM
> Subject: [VOTE] Release Chain 1.0
> 
> >I believe Chain is now sufficiently complete and stable to warrant an
> >official 1.0 release. There are no outstanding bug reports, and the
> >component is already in use in a number of projects.
> >
> > The plan is to release HEAD as Commons Chain 1.0 on completion of a
> > successful vote. I will be the release manager.
> >
> > ---------------------------------------------------------------
> >  [ ] +1  I support this release and am willing to help
> >  [ ] +0  I support this release but am unable to help
> >  [ ] -0  I do not support this release
> >  [ ] -1  I do not support this release, and here are my reasons
> > ---------------------------------------------------------------
> >
> > Here is my own +1.
> >
> > --
> > Martin Cooper
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: commons-dev-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: commons-dev-help@jakarta.apache.org
> >
> >
> 
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