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Re: Which Quantity sub-types to include in a standard API?

  • From: Otávio Gonçalves de Santana < >
  • To:
  • Subject: Re: Which Quantity sub-types to include in a standard API?
  • Date: Fri, 15 Aug 2014 07:35:22 -0300

I agree with Werner.


On Thu, Aug 14, 2014 at 11:02 AM, Werner Keil 
< >
 wrote:

> "javax.measure.quantity", other than that it sounds good.
> Please have a look at the (preliminary) draft of the Spec document:
> https://java.net/downloads/unitsofmeasurement/jsr363.pdf
> Chapter 5.3 explains supported units and quantities. I believe above links
> or their content are also covered by the spec.
>
> We should either under "implementation" or "examples" also give people an
> idea how to extend the type system with new interfaces they do not find in
> the JSR.
>
> Regards,
> Werner
>
> On Thu, Aug 14, 2014 at 3:33 PM, Martin Desruisseaux <
>  >
>  wrote:
>
>> If we agree that some sub-types of Quantity should be part of the
>> standard API in order to allow declarations like Unit<Time> to be
>> implementation-neutral, then we need to agree about which quantities to
>> choose. This should include the international system (SI), but various
>> resources on the web may give slightly different lists. I think that
>> Wikipedia or UCUM are useful, but not authoritative references. I
>> suggest that we officially adopt the BIPM document as our authoritative
>> reference (BIPM is the international organisation in charge of SI
>> definition):
>>
>http://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf
>> (much shorter summary available at
>http://www.bipm.org/utils/common/pdf/si_summary_en.pdf)
>>
>>
>> I suggest that javax.measure.unit.quantity contains subtypes capable to
>> express the quantity of all units in the BIPM document, no more no less.
>> I suggest that if there is any difference between the content of
>> javax.measure.unit.quantity and BIPM document, we identify those
>> differences and eventually discuss the justification for such differences.
>>
>> Any though?
>>
>>     Martin
>>
>>
>


-- 
Otávio Gonçalves de Santana

blog:     http://otaviosantana.blogspot.com.br/
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Which Quantity sub-types to include in a standard API?

Martin Desruisseaux 08/14/2014

Re: Which Quantity sub-types to include in a standard API?

Werner Keil 08/14/2014

Re: Which Quantity sub-types to include in a standard API?

Otávio Gonçalves de Santana 08/15/2014

Re: Which Quantity sub-types to include in a standard API?

Werner Keil 08/19/2014
 
 
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