I think formatting it for display brings the timezone into play, but I am not 
sure.  And not, mutable is not good for EOF.

On Oct 1, 2010, at 10:29 AM, Ramsey Gurley wrote:

> My understanding of the GregorianCalendar class is that unlike Date, it 
> stores the gregorian units as the fixed value and the value of getTime is 
> calculated based on the units and the time zone.  So it doesn't matter if you 
> set the timezone to Fiji time or PST, it will still tell you 12/31/2010 @ 
> 2:00 pm.  It only computes the gregorian units if you setTime. Perhaps I'm 
> wrong about that... but it does bring up the problem of mutable data types...
> 
> Ramsey
> 
> 
> 
> On Oct 1, 2010, at 12:58 PM, Chuck Hill wrote:
> 
>> The problem is that GregorianCalendar still has a time zone which is what 
>> most people seem to want to avoid with date only values.  Otherwise, really, 
>> you need a geographically referenced point in time.
>> 
>> 
>> 
>> On Oct 1, 2010, at 9:00 AM, Ramsey Gurley wrote:
>> 
>>> 
>>> On Oct 1, 2010, at 11:33 AM, Ray Kiddy wrote:
>>> 
>>>> 
>>>> On Sep 30, 2010, at 12:12 PM, Mike Schrag wrote:
>>>> 
>>>>>>>>> Calendar dates should not be represented by NSTimestamp.  The Date 
>>>>>>>>> prototype is wrong for using it IMHO.
>>>>>>>> 
>>>>>>>> i couldn't agree more. but where do we go from here ?
>>>>>>>> 
>>>>>>>> 1) leave the mysql date prototype as it is now, broken and unusable
>>>>>>> 
>>>>>>> If it is broken, then either no one is using it, or they are using it 
>>>>>>> in a way that your change would break.
>>>>>> 
>>>>>> We should have unit tests for testing things like that, on most popular 
>>>>>> databases (MySQL, PostgreSQL, FrontBase, H2 and Oracle DB Express).
>>>> 
>>>>> i think i heard a volunteer!
>>>>> 
>>>>> ms _______________________________________________
>>>> 
>>>> There is a place to start. I created an example app called TickTockMan. It 
>>>> is in Wonder, so it could be added to. When I created it, the response was 
>>>> deafening. Or I assume it was, because I found myself to be deaf. Or there 
>>>> was silence. One of those.
>>>> 
>>>> And lots of people have talked, over the years, about a 
>>>> NSWallClockTime/Date class, one that could capture the situation where I 
>>>> look at the clock and see a "2:00" and I want to discuss it with someone 
>>>> else who can look at another clock, regardless of what time zone they are 
>>>> in. Does anyone already have code for that they are planning to check in 
>>>> to Wonder? I have a class, but I am sure others will find it quirky.
>>>> 
>>>> - ray
>>> 
>>> I have every intention of creating a calendarDate prototype as soon as I 
>>> figure out how to interact with it in the UI.  It will probably be 
>>> something like
>>> 
>>> GregorianCalendar->ERXGregorianCalendar (Subclassed to supply factory 
>>> methods)
>>> &
>>> SimpleDateFormat->ERXCalendarFormat (Subclass to translate date strings 
>>> entered into an ERXGregorianCalendar)
>>> &
>>> calendarDate prototype with an external type like dateTime to store the 
>>> data in a way the database can compare. I assume that means it will be 
>>> normalized to a constant time zone like GMT.
>>> 
>>> And I may make another based on XMLGregorianCalendar for those of us 
>>> working with JAX-WS web services... But if someone wants to build and test 
>>> all that for me, I'll welcome it (^_~)
>>> 
>>> Ramsey
>>> 
>>> _______________________________________________
>>> Do not post admin requests to the list. They will be ignored.
>>> Webobjects-dev mailing list      (Webobjects-dev@lists.apple.com)
>>> Help/Unsubscribe/Update your Subscription:
>>> http://lists.apple.com/mailman/options/webobjects-dev/chill%40global-village.net
>>> 
>>> This email sent to ch...@global-village.net
>> 
>> -- 
>> Chuck Hill             Senior Consultant / VP Development
>> 
>> Practical WebObjects - for developers who want to increase their overall 
>> knowledge of WebObjects or who are trying to solve specific problems.
>> http://www.global-village.net/products/practical_webobjects
>> 
>> 
>> 
>> 
>> 
>> 
>> 
> 

-- 
Chuck Hill             Senior Consultant / VP Development

Practical WebObjects - for developers who want to increase their overall 
knowledge of WebObjects or who are trying to solve specific problems.    
http://www.global-village.net/products/practical_webobjects







Attachment: smime.p7s
Description: S/MIME cryptographic signature

 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list      (Webobjects-dev@lists.apple.com)
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com

This email sent to arch...@mail-archive.com

Reply via email to