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Subject: [OASIS Issue Tracker] Updated: (ODATA-447) Rename Metadata URL to Context
[ http://tools.oasis-open.org/issues/browse/ODATA-447?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ralf Handl updated ODATA-447: ----------------------------- Component/s: (was: OData ABNF Construction Rules) > Rename Metadata URL to Context > ------------------------------ > > Key: ODATA-447 > URL: http://tools.oasis-open.org/issues/browse/ODATA-447 > Project: OASIS Open Data Protocol (OData) TC > Issue Type: Improvement > Components: OData ATOM Format , OData CSDL, OData JSON Format, OData Protocol , OData URL Conventions > Affects Versions: V4.0_CSD01 > Environment: [Proposed] > Reporter: Ralf Handl > Assignee: Michael Pizzo > Fix For: V4.0_CSD02 > > > We've been adding a lot of information into the metadata URL: the metadata base URL, the entity set, the derived type, the selected properties, ... > This requires clients to parse this string, taking away some of the simplicity of using transport formats for structured data (JSON, XML). > We could represent the metadata URL in parsed syntax: > JSON > - rename the odata.metadata annotation to odata.context > - make it an object with properties > -- url: string > -- set: string > -- type: string (qualified name, (relative) url, "$ref") > -- projection: array of selected properties as strings or objects, the latter having name-value pairs name, recursive, projection > Atom > - replace the metadata:metadata attribute with a metadata:context element > - structure is > -- url: xs:anyUri > -- set: SimpleIdentifier > -- type: string > -- projection: ... > No change to the odata.metadata=none | full | minimal in the json format parameter. > In the docs refer to the "odata context". > Example > metadata URL: > "odata.metadata":"http://host/service/$metadata#Employees/Sales.Manager(DirectReports+(FirstName,LastName))" > context object: > "odata.context":{ > "url":"http://host/service/$metadata", > "set":"Employees", > "type":"Sales.Manager", > "projection":[ > "*", > { > "property":"DirectReports", > "recursive":true, > "projection":[ > "FirstName", > "LastName" > ] > } > ] > } -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://tools.oasis-open.org/issues/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira
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