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Subject: [OASIS Issue Tracker] (CAMP-200) Extensibility of Attribute Types
[ https://issues.oasis-open.org/browse/CAMP-200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=63666#comment-63666 ] Anish Karmarkar commented on CAMP-200: -------------------------------------- Mike suggests that we defer this issue > Extensibility of Attribute Types > -------------------------------- > > Key: CAMP-200 > URL: https://issues.oasis-open.org/browse/CAMP-200 > Project: OASIS Cloud Application Management for Platforms (CAMP) TC > Issue Type: Bug > Components: Spec > Affects Versions: 1.2 > Reporter: Michael Norman > Assignee: Anish Karmarkar > > We are looking at a scenario where the client is able to render based off the type definitions in the API and not off the specification of the API or its extensions. > Extensions may require extensibility of CAMP's data type mechanism to allow them to supply additional information to the browser about how to render and/or validate attributes of resources. > There are 3 scalar types in json - String, Numeric & Boolean as well as null > In practice if the browser gets one of these it doesn't really need any metadata to determine which one it has received - the type is implicit in the json. > The problem is that a String can actually represent a date, or a time interval, or there can be constraints on the range or number of decimal places in a numeric type. The browser needs to get these constraints in metadata. > The current API specifies 2 additional base types: URI and Timestamp. Timestamp is only used on the Sensor. URI is widely used (see below). > In practice the fact that an attribute is a URI is not adequate to render it in the browser. There are one or two (external management interface and documentation are the only ones I can remember) that aren't references to CAMP resources. The vast majority of URIs are actually references to other CAMP resources (either collections or single resources). > These URIs need special handling in the UI. -- This message was sent by Atlassian JIRA (v6.2.2#6258)
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