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https://issues.apache.org/jira/browse/ISIS-2043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16697117#comment-16697117
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ASF subversion and git services commented on ISIS-2043:
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Commit cab9e464aa0b9661ada58ab3a0f9b2512afc63d0 in isis's branch refs/heads/v2
from danhaywood
[ https://gitbox.apache.org/repos/asf?p=isis.git;h=cab9e46 ]
ISIS-2043: adds ActionDomainEvent#getSubject() as a convenience
> Allow domain events to be specified at @DomainObject, and make mixins aware
> of this.
> ------------------------------------------------------------------------------------
>
> Key: ISIS-2043
> URL: https://issues.apache.org/jira/browse/ISIS-2043
> Project: Isis
> Issue Type: New Feature
> Affects Versions: 1.16.2
> Reporter: Dan Haywood
> Assignee: Dan Haywood
> Priority: Major
> Fix For: 1.16.3
>
>
> Thus:
> {code:java}
> @DomainObject(
> ...,
> actionDomainEvent=IncomingInvoice.ActionDomainEvent.class,
> propertyDomainEvent=IncomingInvoice.PropertyDomainEvent.class,
> collectionDomainEVent=IncomingInvoice.CollectionDomainEvent.class
> )
> public class IncomingInvoice {
> public static class ActionDomainEvent
> extends o.a.i.applib.services.eventbus.ActionDomainEvent {}
> // etc
> }{code}
> then, for this domain event would be used as the default for any actions etc.
> Two refinements to this:
> a) for mixins, the event type emitted by a mixin action should be that of its
> mixee if possible. This does mean that the domain event must use <Object> as
> its generic type, because the source could either be the regular domain
> object or a mixin. This seems reasonable, the subscriber can just call
> ev.getMixee() to determine the original source.
> b) as a metamodel validation, if there are members that already define their
> own event types, then these event types should inherit from the types defined
> in @DomainObject. However, not sure exactly how well this plays with
> requirement from (a) that the generic type is <Object>.
>
>
>
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