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RE: AbstractQuantity's class
- From: Otávio Gonçalves de Santana <
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- To:
- Subject: RE: AbstractQuantity's class
- Date: Mon, 15 Sep 2014 16:07:39 -0300
Amount.of() sounds good.
On Sep 15, 2014 4:04 PM, "Legrand, Karen"
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-1 for QuantityAmount. It looks very odd to have two nouns that are
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essentially synonyms together like that. I think it would be much better to
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use either ‘Quantity’ or ‘Amount’ by itself.
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*From:* Leonardo Lima
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[mailto:
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*Sent:* Monday, September 15, 2014 10:44 AM
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*To:*
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*Subject:* Re: AbstractQuantity's class
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QuantityAmount sounds redundant, doesn't it?
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On Sun, Sep 14, 2014 at 9:03 PM, Otávio Gonçalves de Santana <
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Actually I would like to work this and in Lambda expressions.
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Could be QuantityAmount then?
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anyone?
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On Sun, Sep 14, 2014 at 6:06 PM, Werner Keil
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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 is
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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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I am not referring if the classe be or not be abstract or design, but just
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the name, I am talking about the nomenclature.
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Could be a good name:
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- UOMO.of(...)
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another one is:
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- Quantities.of(...)
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or the classic:
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- QuantityAmount.of(...)
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On Sun, Sep 14, 2014 at 2:51 PM, Werner Keil
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Sorry, no more Measurable, please
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We've been there once.
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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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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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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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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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On Sun, Sep 14, 2014 at 8:32 AM, Werner Keil
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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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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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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
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Godfather
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Twitter @wernerkeil | @UnitAPI | @JSR354 | #EclipseUOMo | #Java_Social |
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#DevOps
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Skype werner.keil | Google+ gplus.to/wernerkeil
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* JavaZone 2014: 9-11 Sep 2014, Oslo, Norway. Werner Keil, JCP EC Member,
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JSR 363 Spec Lead will present "JSR 363 - The Answer to Life Science and
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the Internet of Everything"
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* JavaOne 2014: Sep 30, San Francisco, USA, Werner Keil, JCP EC Member,
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JSR 354 EG Member will host "Java and Digital Currencies, Friend or FOE"
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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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DevOps", "JSR 363"
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* ApacheCon Europe: 17 Nov 2014, Budapest, Hungary. Werner Keil, JCP EC
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Member, Apache DeviceMap Committer will present "Apache DeviceMap"
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* Mobile Developer Conference kompakt: 18 Nov 2014, Hamburg, Germany.
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Werner Keil, JCP EC Member, Apache DeviceMap Committer will present "Apache
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DeviceMap" (GER)
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On Sun, Sep 14, 2014 at 12:29 PM, Otávio Gonçalves de Santana <
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Hi Guys.
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How is going?
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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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Quantity<Length> metre = AbstractQuantity.of(10, SI.METRE);
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Quantity<Length> foot = metre.to(US.FOOT);
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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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Quantity<Length> metre = Meansure.of(10, SI.METRE);
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Quantity<Length> foot = metre.to(US.FOOT);
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WDYF?
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--
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Otávio Gonçalves de Santana
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blog: http://otaviosantana.blogspot.com.br/
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twitter: http://twitter.com/otaviojava
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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
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blog: http://otaviosantana.blogspot.com.br/
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twitter: http://twitter.com/otaviojava
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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
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blog: http://otaviosantana.blogspot.com.br/
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twitter: http://twitter.com/otaviojava
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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
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blog: http://otaviosantana.blogspot.com.br/
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twitter: http://twitter.com/otaviojava
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site: *http://about.me/otaviojava <http://about.me/otaviojava>*
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55 (11) 98255-3513
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