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Subject: [OASIS Issue Tracker] Commented: (CAMP-42) Spec should say how to limit/specify the scope of returned data


    [ http://tools.oasis-open.org/issues/browse/CAMP-42?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=32157#action_32157 ] 

Alex Heneveld commented on CAMP-42:
-----------------------------------

We should also support getting only the value of a given field, for example in order to give a data feed which is just a number which could be used by a graphing widget.

Pagination could apply to values which are lists, as well as to the map which is the resource, and to the list of fields.

> Spec should say how to limit/specify the scope of returned data
> ---------------------------------------------------------------
>
>                 Key: CAMP-42
>                 URL: http://tools.oasis-open.org/issues/browse/CAMP-42
>             Project: OASIS Cloud Application Management for Platforms (CAMP) TC
>          Issue Type: Task
>            Reporter: Alex Heneveld
>
> Currently the spec only dictates requests whose response is an entire Resource object.  These Resources could be very large however, and it is wasteful for everyone to send the entire object if, as will commonly be the case I expect, the client is only interested in a small piece of the Resource.
> This spec should define how a client can restrict a query to selected items of the Resource.  This should include:
> * filtering: selecting a specific key or restricting to a set of keys
> * pagination: selecting a specific element or range of elements (where a key's value is of type list)

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