[aerogear-dev] paging: different client platforms

[Douglas Campos]

trying to be more clear, instead of having a separate PagingContext to store state, making a decorator around the results (lazy)

not that I think this is the best - it's just another approach

On 11/01/2013, at 14:58, Matthias Wessendorf <matzew at apache.org> wrote:

> On Fri, Jan 11, 2013 at 5:55 PM, Douglas Campos <qmx at qmx.me> wrote:
>> What about returning a PagedList<T> (and using guava's ForwardingWhatever to decorate the list with the paging info)?
> 
> guava :)
> 
> well, that's impl details - but overall the 'pseudo' from summersp, I like
> 
> -M
> 
>> 
>> On 11/01/2013, at 14:14, Summers Pittman <supittma at redhat.com> wrote:
>> 
>>> 
>>> On 01/11/2013 07:46 AM, Matthias Wessendorf wrote:
>>>> Of course, sending simple request parameters to the server is easy, in
>>>> every library
>>>> 
>>>> (using Dan's CURL client example)
>>>> 
>>>> ```
>>>> URL=
>>>> "http://controllerdemo-danbev.rhcloud.com/aerogear-controller-demo"
>>>> 
>>>> curl -i --header "Accept: application/json" "$URL/cars?page=0&perPage=4"
>>>> ```
>>>> 
>>>> In terms of an client API, that wants to scroll through the cars (like
>>>> in this demo), I was wondering if some "PagingContext" (or
>>>> "ResultSet") API is needed...
>>>> 
>>>> // issues a request with ?page=0&perPage=4
>>>> PagingContext pc = client.request(someCars...);
>>>> 
>>>> // issues a request with ?page=0&perPage=4
>>>> pc.next()
>>>> 
>>>> // issues a request with ?page=1&perPage=4
>>>> pc.next()
>>>> 
>>>> // issues a request with ?page=0&perPage=4
>>>> pc.back()
>>>> 
>>>> 
>>>> NOT sure, but IMO a little higher level abstraction would be nice,
>>>> instead of having the end users of the "paging API" applying the
>>>> values for 'page' and 'perPage' manually.
>>>> 
>>>> Any thoughts? (Not sure if this has been brought up before)
>>>> 
>>>> -M
>>>> 
>>> +1 for a higher level abstraction
>>> 
>>> As far as how it will mesh with Pipe and such I am thinking
>>> 
>>> https://gist.github.com/4511860
>>> 
>>> 
>>> 
>>>> 
>>>> 
>>>> On Fri, Jan 11, 2013 at 12:39 PM, Matthias Wessendorf
>>>> <matzew at apache.org>
>>>> wrote:
>>>> 
>>>>> Hi,
>>>>> 
>>>>> was there already some discussion (and proposal) for paging APIs on the client ?
>>>>> 
>>>>> It would be nice if the public client API semantics are somewhat
>>>>> identical on the different platforms.
>>>>> (I guess it's a MUST :))
>>>>> 
>>>>> Any pointers to gists etc are welcome
>>>>> 
>>>>> Thx
>>>>> 
>>>>> --
>>>>> Matthias Wessendorf
>>>>> 
>>>>> blog:
>>>>> http://matthiaswessendorf.wordpress.com/
>>>>> 
>>>>> sessions:
>>>>> http://www.slideshare.net/mwessendorf
>>>>> 
>>>>> twitter:
>>>>> http://twitter.com/mwessendorf
>>>> 
>>>> 
>>>> 
>>> 
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>> 
>> 
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> 
> 
> 
> -- 
> Matthias Wessendorf
> 
> blog: http://matthiaswessendorf.wordpress.com/
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> twitter: http://twitter.com/mwessendorf
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