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Subject: [OASIS Issue Tracker] (ODATA-811) Define propagation and (partial) overriding of annotations
[ https://issues.oasis-open.org/browse/ODATA-811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=62968#comment-62968 ] Michael Pizzo commented on ODATA-811: ------------------------------------- Proposal: -Annotations are applied wherever the type is used. -Annotations are propagated along inheritance -Annotations defined in a derived type take precedence over the same type defined in the base type. -For structured annotations, should we apply merge (PATCH) semantics or replace (PUT) semantics? -For collection-valued annotations, should it replace or append? --probably replace, since there's no good way to remove... > Define propagation and (partial) overriding of annotations > ---------------------------------------------------------- > > Key: ODATA-811 > URL: https://issues.oasis-open.org/browse/ODATA-811 > Project: OASIS Open Data Protocol (OData) TC > Issue Type: Improvement > Components: OData CSDL, Vocabularies > Affects Versions: V4.0_ERRATA02 > Environment: Annotations > Reporter: Ralf Handl > Assignee: Ralf Handl > Labels: Clarification > Fix For: V4.01_WD01 > > > We regularly face situations where we want to "propagate" annotations on a model element to all places where this model element is used/referenced, e.g. annotate an entity type and then have that annotation apply to all entity sets, or annotate a type definition and have that annotation apply to all properties or action parameters of that type. > An explicit annotation on one of the usage/reference points would then overrule/modify the annotation on the used/referenced construct. > The current specification text seems to implicitly assume this behavior, but doesn't explicitly state rules on > - where do annotations propagate to? > - how are structured annotations modified? PATCH semantics if only partially specified? -- This message was sent by Atlassian JIRA (v6.2.2#6258)
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