[jboss-jira] [JBoss JIRA] (AS7-2945) Change the domain model paths system to not use services

[David Lloyd (Created) (JIRA)]

Change the domain model paths system to not use services
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                 Key: AS7-2945
                 URL: https://issues.jboss.org/browse/AS7-2945
             Project: Application Server 7
          Issue Type: Enhancement
          Components: Domain Management
            Reporter: David Lloyd
            Assignee: Brian Stansberry
             Fix For: Open To Community


Using services for path references has two distinct disadvantages:

* It makes it difficult or impossible to detect changes (the only way to change a path is to restart the service)
* If a path consumer is not a service, it is difficult to use path values

What we should have instead is have a registration mechanism so that when a path is used, the reference is tracked in the model.  This lets us detect backreferences in the event where a path is to be deleted.  This would also enable us to send a notification when a path is changed, so that changing a path also causes an update or "refresh" on all referencing domain attributes.  This way, for example, if I change the base path for the log directory, all the log handlers can automatically be updated as well as part of the same operation, using their existing update logic.

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