[aerogear-dev] [Aerogear Pipeline] Support for nested endpoints

[Summers Pittman]

On 03/15/2013 12:37 PM, Douglas Campos wrote:
> What about this?
>
> Pipeline<Post> postPipeline = …
> Post post = // get from the pipeline
> Pipeline<Comment> postPipeline.childPipelineForOrOtherWeirdName(Comment.class, post)
-.5
I like the pushing the building up to pipeline, but this particular 
example breaks the one pipeline to rule them all model we have been 
encouraging.
>
>
> On 15/03/2013, at 12:26, Summers Pittman <supittma at redhat.com> wrote:
>
>> On 03/14/2013 04:48 AM, Matthias Wessendorf wrote:
>>>
>>> On Thu, Mar 14, 2013 at 9:32 AM, Sebastien Blanc <scm.blanc at gmail.com> wrote:
>>> Hi,
>>> While I was playing with scaffolding and tried to build a simple Blog Application with Aerogear I faced the current situation :
>>> I have a Post object which contains many Comment objects. Now I want to call my Post pipe to retrieve the related  comments, I have currently 2 options :
>>>
>>> /posts/1 -> assuming comments will be implicitly retrieved (eager loading)
>>> /comments/?postid=1
>>>
>>> But regarding our model the correct form should be :
>>>
>>> /posts/1/comments
>>>
>>>
>>> +1
>>> that is the ideal way to model URIs for "nested" resources.
>>>
>>> See [1], extracted from [2]
>>>
>>>   
>>>
>>> But, AFAIK,  with the current API, it is not possible to define this last pattern  (at least for JS and iOs, confirmed by Matzew). When doing a read we can pass an id option but as mentioned in the doc, this id will always be append to the endpoint.
>>>
>>>
>>> Well, it is possible - but in a very (IMO) ugly way:
>>>
>>> https://gist.github.com/matzew/6ab432e437b9a017a21d
>>>
>>>
>>>   
>>>
>>> IMO, we should be able to support this pattern but for now I'm not really sure how to specify this in our API, so if you have any ideas feedback this thread has been made for you !
>>>
>>>
>>>
>>> Suggestion: Enhance the read function - example:
>>>
>>> https://gist.github.com/matzew/04f069dfbed2cc77a8b4
>> I'm thinking of the inverse myself.  Add a "ParentPath" property which can be used to extract information from parent objects.
>>
>> https://gist.github.com/secondsun/17ce96082eda37dbd10e
>>
>>>
>>> -Matthias
>>>
>>>
>>> [1] http://www.infoq.com/resource/articles/rest-introduction/en/resources/figure2.jpg
>>> [2] http://www.infoq.com/articles/rest-introduction
>>>
>>>
>>>   
>>>
>>> Seb
>>>   
>>>
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>>>
>>>
>>>
>>> -- 
>>> 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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> -- qmx
>
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