[jboss-jira] [JBoss JIRA] (AS7-6215) Ability to declare a dependency on a service name

[David Lloyd (JIRA)]

    [ https://issues.jboss.org/browse/AS7-6215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12742309#comment-12742309 ] 

David Lloyd commented on AS7-6215:
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Yes, however a JNDI name also unambiguously identifies a component.  The difference between this and {{@Resource}} would be that the dependency would be directly on the component starting rather than (or in addition to) the binding.  Of course we could also go the simpler route and go deployment name + component name, but then we lose the indirection that was desired in this JIRA.
                
> Ability to declare a dependency on a service name
> -------------------------------------------------
>
>                 Key: AS7-6215
>                 URL: https://issues.jboss.org/browse/AS7-6215
>             Project: Application Server 7
>          Issue Type: Feature Request
>    Affects Versions: 7.1.3.Final (EAP)
>            Reporter: Brad Maxwell
>            Assignee: Stuart Douglas
>             Fix For: Open To Community
>
>
> We have several use cases where we need dependencies between different deployments.
> Such as
> Singleton in ear1 which injects an ejb from ear2 using @EJB.  At shutdown we need the Singleton to call a method to clean up on the ejb, however the ejb is sometimes shutdown before the Singleton.  Using @DependsOn would allow the Singleton to depend on the EJB if the EJB is in the same ear as the Singleton, however it is not.
> There are other use cases where resources are injected and we need the resources to still be deployed at shutdown so we can clean up the resources before they are undeployed.
> Having a service name to depend on would be useful and if the name was configurable such that it does not based on the exact name of the deployment, it would be useful as using maven changes the deployment names when we rebuild and we do not want to have to change the code each time we rebuild.

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