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https://issues.apache.org/jira/browse/CAUSEWAY-3752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18112377#comment-18112377
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Andi Huber commented on CAUSEWAY-3752:
--------------------------------------
Consequently by specifying
{noformat}
@ObjectLayout(showFor = {"none"})
{noformat}
and *none* not being mapped to any _Viewer_, the Domain Object is hidden in
*all* Viewers.
> Provide SPI to describe which classes are surfaced by the different viewers.
> ----------------------------------------------------------------------------
>
> Key: CAUSEWAY-3752
> URL: https://issues.apache.org/jira/browse/CAUSEWAY-3752
> Project: Causeway
> Issue Type: New Feature
> Components: Core, Viewer GraphQL, Viewer RO, Viewer Wicket
> Affects Versions: 2.0.0
> Reporter: Daniel Keir Haywood
> Assignee: Andi Huber
> Priority: Major
> Fix For: 4.0.0
>
>
> Before releasing 2.0.0/3.0.0, we decided to make
> `@DomainService(nature=VIEW|REST_ONLY)` a no-op , for a couple of reasons:
> * we now have a GraphQL viewer, and the enum didn't seem general enough
> * the REST API has its own rather adhoc mechanism for what to expose:
> public, prototyping or private
> ** but this only affects the Swagger file, not the actual API that's
> actually available
> * the GraphQL viewer has an issue that it takes a loooong time to expose the
> entire API; and probably we wouldn't want to do that.
> In removing `@DomainService(nature=...)`, we told ourselves that users could
> just use security; but that doesn't address the above issues.
>
> We propose a new programing model to honor _Viewer_ specific _Domain Object_
> visibility:
> {color:#0f0f0f}Instead of referencing viewer IDs directly, users declare
> intent using {color}*abstract profiles*{color:#0f0f0f} (e.g.,
> {color}{{{}web-ui{}}}{color:#0f0f0f}, {color}{{{}api-v2{}}}{color:#0f0f0f},
> {color}{{{}mobile{}}}{color:#0f0f0f}, {color}{{{}admin{}}}{color:#0f0f0f}).
> The framework maps these profiles to actual viewer IDs via
> configuration.{color}
> Configuration:
> {noformat}
> # Map viewer IDs to the profiles they support
> causeway.viewer-profiles.wicket=web-ui
> causeway.viewer-profiles.restful=api,restful-only
> causeway.viewer-profiles.qraphql=api,graphql-only
> # Global fallback
> causeway.viewer-profiles.default=web-ui
> # Namespace specific overrides
> causeway.viewer-profiles.default.com.myapp.orders=web-ui
> causeway.viewer-profiles.default.com.myapp.payments=api
> causeway.viewer-profiles.default.com.myapp.reports=web-ui,api
> {noformat}
> Defaults can then be overridden on a per class basis:
> {code:java}
> @ObjectLayout(showFor = {"web-ui", "restful-only"})
> class SomeDomainObject {
> }
> {code}
> (If unspecified, defaults from config apply.)
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