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Re: AbstractQuantity's class
- From: Otávio Gonçalves de Santana <
>
- To:
- Subject: Re: AbstractQuantity's class
- Date: Sun, 14 Sep 2014 23:03:39 -0300
Actually I would like to work this and in Lambda expressions.
Could be QuantityAmount then?
anyone?
On Sun, Sep 14, 2014 at 6:06 PM, Werner Keil
<
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wrote:
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Since we drop the .org domain soon, I would not call that UOMo (the
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Eclipse project certainly will keep the name, after all it also support
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UCUM which has another .org domain, too)
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Why would Quantities get an of() method? What would be imaginable is some
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sort of factory/facade in RI or SE, but except a getInstance(Length.class)
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similar to the current QuantityFactory class (it's a singleton returning
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exactly one instance here, see MEEP or CLDC8, they also use both of() and
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getInstance() for each purpose, just like Josh Bloch explained[?]) there
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is nothing to be of() in this case.
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>
QuantityAmount sounds like a good alternative of these, let's see at
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JavaOne, probably in Hackergarten what's best.
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>
>
On Sun, Sep 14, 2014 at 9:01 PM, Otávio Gonçalves de Santana <
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>
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wrote:
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> I am not referring if the classe be or not be abstract or design, but
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> just the name, I am talking about the nomenclature.
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>
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> Could be a good name:
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>
>
> - UOMO.of(...)
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>
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> another one is:
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>
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> - Quantities.of(...)
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>
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> or the classic:
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>
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> - QuantityAmount.of(...)
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>
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>
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> On Sun, Sep 14, 2014 at 2:51 PM, Werner Keil
>
> <
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>
> wrote:
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>
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>> Sorry, no more Measurable, please[?]
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>> We've been there once.
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>>
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>> You bet Spring was probably created a while ago and may not follow all
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>> patterns we may see now[?]
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>>
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>> Something else e.g. QuantityAmount<Q extends Quantity> extends
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>> AbstractQuantity<Q> is worth considering, like in UOMo.
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>>
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>> And the subsequent of() methods may be on such a concrete class.
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>> If you look at let's say the Collections API, it shows a similar pattern
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>> of
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>> Interface > AbstractBaseClass > ConcreteClass.
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>>
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>> This "author" may not have done everything consistently there, see
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>> EnumSet, but other than that it is still a better piece of API than let's
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>> say 310 with hundreds of methods on final classes that are largely
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>> incompatible and a TemporalAmount which actually should be called
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>> TemporalAmounts, TemporalAmountCollection or whatever[?]
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>>
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>>
>
>>> On Sun, Sep 14, 2014 at 8:32 AM, Werner Keil
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>>> <
>
>
>>> wrote:
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>>>
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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
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>>>> 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
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>>>> projects (SpringFramework) doing exactly the same. There are
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>>>> Abstract*.valueOf() or similar constructions.
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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 |
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>>>> Eclipse UOMo Lead, Babel Language Champion | Apache Committer | Java
>
>>>> Godfather
>
>>>>
>
>>>> Twitter @wernerkeil | @UnitAPI | @JSR354 | #EclipseUOMo | #Java_Social
>
>>>> | #DevOps
>
>>>> Skype werner.keil | Google+ gplus.to/wernerkeil
>
>>>>
>
>>>> * JavaZone 2014: 9-11 Sep 2014, Oslo, Norway. Werner Keil, JCP EC
>
>>>> Member, JSR 363 Spec Lead will present "JSR 363 - The Answer to Life
>
>>>> Science and the Internet of Everything"
>
>>>>
>
>>>> * JavaOne 2014: Sep 30, San Francisco, USA, Werner Keil, JCP EC
>
>>>> Member, JSR 354 EG Member will host "Java and Digital Currencies,
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>>>> Friend or
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>>>> FOE"
>
>>>>
>
>>>> * JMaghreb 3.0: 4-6 Nov 2014, Casablanca, Morocco. Werner Keil, JCP EC
>
>>>> Member, JSR 363 Spec Lead, DevOps Guy will present "Triple-E' class
>
>>>> DevOps", "JSR 363"
>
>>>>
>
>>>> * ApacheCon Europe: 17 Nov 2014, Budapest, Hungary. Werner Keil, JCP
>
>>>> EC Member, Apache DeviceMap Committer will present "Apache DeviceMap"
>
>>>>
>
>>>> * Mobile Developer Conference kompakt: 18 Nov 2014, Hamburg, Germany.
>
>>>> Werner Keil, JCP EC Member, Apache DeviceMap Committer will present
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>>>> "Apache
>
>>>> DeviceMap" (GER)
>
>>>>
>
>>>> On Sun, Sep 14, 2014 at 12:29 PM, Otávio Gonçalves de Santana <
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>>>>
>
>
>>>> wrote:
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>>>>
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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,
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>>>>> so 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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>>>>> --
>
>>>>> 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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>>>>>
>
>>>>
>
>>>
>
>>>
>
>>> --
>
>>> 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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>>
>
>
>
>
>
> --
>
> 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
>
>
>
>
>
--
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


