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Re: AbstractQuantity's class
- From: Werner Keil <
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- To: "
" <
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- Subject: Re: AbstractQuantity's class
- Date: Sun, 14 Sep 2014 19:51:37 +0200
Sorry, no more Measurable, please[?]
We've been there once.
You bet Spring was probably created a while ago and may not follow all
patterns we may see now[?]
Something else e.g. QuantityAmount<Q extends Quantity> extends
AbstractQuantity<Q> is worth considering, like in UOMo.
And the subsequent of() methods may be on such a concrete class.
If you look at let's say the Collections API, it shows a similar pattern of
Interface > AbstractBaseClass > ConcreteClass.
This "author" may not have done everything consistently there, see EnumSet,
but other than that it is still a better piece of API than let's say 310
with hundreds of methods on final classes that are largely incompatible and
a TemporalAmount which actually should be called TemporalAmounts,
TemporalAmountCollection or whatever[?]
>
On Sun, Sep 14, 2014 at 8:32 AM, Werner Keil
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<
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wrote:
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> Sorry but we had that confusion with JSR 275, so ONE Measurement is
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> enough, we must not have Measure implements Measurement, that would just be
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> a mess.
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>
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> JScience called that "Amount", but you see a lot of very popular projects
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> (SpringFramework) doing exactly the same. There are Abstract*.valueOf() or
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> similar constructions.
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>
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> Regards,
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> Werner
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>
>
> Werner Keil | JCP Executive Committee Member, JSR 363 Co Spec Lead |
>
> Eclipse UOMo Lead, Babel Language Champion | Apache Committer | Java
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> Godfather
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> Twitter @wernerkeil | @UnitAPI | @JSR354 | #EclipseUOMo | #Java_Social |
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> * JavaZone 2014: 9-11 Sep 2014, Oslo, Norway. Werner Keil, JCP EC Member,
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> * JavaOne 2014: Sep 30, San Francisco, USA, Werner Keil, JCP EC Member,
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> * JMaghreb 3.0: 4-6 Nov 2014, Casablanca, Morocco. Werner Keil, JCP EC
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> Member, JSR 363 Spec Lead, DevOps Guy will present "Triple-E' class
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> * ApacheCon Europe: 17 Nov 2014, Budapest, Hungary. Werner Keil, JCP EC
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>
> On Sun, Sep 14, 2014 at 12:29 PM, Otávio Gonçalves de Santana <
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> wrote:
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>> Hi Guys.
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>> How is going?
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>>
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>> I believe we have a possible problem with nomeclature in
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>> AbstractQuantity's class, looking this example:
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>>
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>> Quantity<Length> metre = AbstractQuantity.of(10, SI.METRE);
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>> Quantity<Length> foot = metre.to(US.FOOT);
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>>
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>> IMHO, Abstract* is not a good name to a factory, maybe just Measure, so
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>> will:
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>>
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>> Quantity<Length> metre = Meansure.of(10, SI.METRE);
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>> Quantity<Length> foot = metre.to(US.FOOT);
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>>
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>> WDYF?
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>>
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>> --
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>> Otávio Gonçalves de Santana
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>>
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>> blog: http://otaviosantana.blogspot.com.br/
>
>> twitter: http://twitter.com/otaviojava
>
>> site: *http://about.me/otaviojava <http://about.me/otaviojava>*
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>> 55 (11) 98255-3513
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>>
>
>>
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>
>
>
>
--
>
Otávio Gonçalves de Santana
>
>
blog: http://otaviosantana.blogspot.com.br/
>
twitter: http://twitter.com/otaviojava
>
site: *http://about.me/otaviojava <http://about.me/otaviojava>*
>
55 (11) 98255-3513
>
>
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