[seam-issues] [JBoss JIRA] Assigned: (SEAMJMS-4) Event Mapping Observer Method Interfaces - Ingress

[John Ament (JIRA)]

     [ https://issues.jboss.org/browse/SEAMJMS-4?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Ament reassigned SEAMJMS-4:
--------------------------------

    Assignee: John Ament


> Event Mapping Observer Method Interfaces - Ingress
> --------------------------------------------------
>
>                 Key: SEAMJMS-4
>                 URL: https://issues.jboss.org/browse/SEAMJMS-4
>             Project: Seam JMS
>          Issue Type: Feature Request
>          Components: Event Bridging
>            Reporter: Jordan Ganoff
>            Assignee: John Ament
>            Priority: Blocker
>             Fix For: 3.0.0.Alpha2
>
>   Original Estimate: 1 day
>  Remaining Estimate: 1 day
>
> Implement the ingress routing (receive JMS messages from a destination should produce CDI events) as per the spec.
> From JSR-299-20090521.pdf:
> 10.7. JMS event mappings
> An event type may be mapped to JMS topic.
> An event mapping is a special kind of observer method that is declared by an interface, for example:
> interface EventMappings {
> void mapLoggedInEvent(@Observes LoggedInEvent event, @Events Topic eventTopic);
> }
> Where the parameter of type Topic resolves to the following message destination:
> @Resource(name="java:global/env/jms/Events")
> @Produces @Events Topic eventTopic;
> The event parameter specifies the mapped event type and bindings. Every message destination representing a topic that
> any injected parameter resolves to is a mapped topic.
> An event mapping may be specified as a member of any interface.
> All observers of mapped event types must be asynchronous observer methods. If an observer for a mapped event type is
> not an asynchronous observer method, the container automatically detects the problem and treats it as a deployment prob-
> lem, as defined in Section 12.4, "Problems detected automatically by the container".
> For every event mapping, the container must:
> • send a message containing the serialized event and its event bindings to every mapped topic whenever an event with
>    the mapped event type and bindings is fired, and
> • monitor every mapped topic for messages containing events of that mapped event type and bindings and notify all loc-
>    al observers whenever a message containing an event is received.
> Thus, events with the mapped event type and bindings are distributed to other processes which have the same event map-
> ping.

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