[aerogear-dev] Client Paging Strawman

[Kris Borchers]

On Jan 16, 2013, at 7:58 AM, Bruno Oliveira <bruno at abstractj.org> wrote:

> If the data doesn't exist HTTP 204 is a good fit. Just don't understand why we need to interrupt the app workflow, because the data doesn't exist. 

I would prefer that an exception is thrown client side before a request is ever sent to the server. That way we save the http request which is important on mobile.

That being said, then the issue becomes what if that page does exist but we don't allow the request because the data was updated since our last read? Then we wouldn't know without another read happening.

Hmmm, interested in other opinions since relying on a 204 or any status from the server couples the client to the server impl but if we don't allow the request, that could also cause issues.
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> On Wednesday, January 16, 2013 at 11:52 AM, Matthias Wessendorf wrote:
> 
>> 
>> On Wed, Jan 16, 2013 at 2:48 PM, Kris Borchers <kris at redhat.com (mailto:kris at redhat.com)> wrote:
>>> I would say returning the current page would be confusing. I would be fine with an exception or returning null as both can be handled pretty easily by a dev. I would say an exception may be more useful since it will tell the dev exactly what was wrong instead of their app choking in a null return but I am open to both. 
>>> 
>>>> 
>>>> For offset > totalNbPages :
>>>> - throwing an exception ?
>>>> - returning null ?
>>>> - returning last page ?
>>> 
>>> 
>>> 
>>> I would say same as above. Returning last page may be confusing but others are acceptable with a preference toward an exception.
>> 
>> 
>> +1 on an exception
>> 
>> -M
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>> Matthias Wessendorf 
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