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From "Richard Lewis-Shell" <rlewissh...@mac.com>
Subject Re: Property initializers
Date Tue, 06 Jan 2004 20:48:30 GMT
also +0

----- Original Message ----- 
From: "Mindbridge" <mindbridgeweb@yahoo.com>
To: "Tapestry development" <tapestry-dev@jakarta.apache.org>
Sent: Wednesday, January 07, 2004 7:37 AM
Subject: Re: Property initializers


> Hi guys,
>
> Is there a -1 vote on this?
>
> I would normally hold off until the release, but I think this is a too
major
> problem to wait.
> I have the code and an additional unit test ready, just need to check it
in
> if there are no objections.
>
> -mb
>
> ----- Original Message ----- 
> From: "Colin Sampaleanu" <colinml1@exis.com>
> To: "Tapestry development" <tapestry-dev@jakarta.apache.org>
> Sent: Tuesday, January 06, 2004 12:49 AM
> Subject: Re: Property initializers
>
>
> > Personally, it surprised me the first time I figured out it only ran
> > once. I would consider it a 'bug'...
> >
> > Mindbridge wrote:
> >
> > >Hi,
> > >
> > >I am about to check in the docs and examples I was talking about, but
> came across something interesting.
> > >
> > >The properties defined in the component specifications via
> <property-specification> can be initialized using the 'initial-value'
> parameter. This parameter is an OGNL expression that (at the moment) is
> evaluated once during the creation of the component, the value is stored,
> and is later used as an initialization value whenever necessary.
> > >
> > >Shouldn't the 'initial-value' expression be evaluated every time it is
> needed for initialization instead (if not invariant, of course)?
> > >
> > >This latter approach allows a number of uses that the former one does
not
> (e.g. initializing to something that depends on the bindings), and perhaps
> it is more natural to the users.
> > >
> > >Should this be considered a bug? Should it be changed? (this is
backward
> compatible if the initial-value parameter is used as designed at the
> moment).
> > >
> > >-mb
> > >
> > >
> > >
> >
> >
> >
> > ---------------------------------------------------------------------
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>
>
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>
>



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