[jboss-jira] [JBoss JIRA] (WFCORE-4918) Optimize MMR logic within DiscardAttributeChecker.DEFAULT_VALUE

[Paul Ferraro (Jira)]

     [ https://issues.redhat.com/browse/WFCORE-4918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul Ferraro updated WFCORE-4918:
---------------------------------
    Summary: Optimize MMR logic within DiscardAttributeChecker.DEFAULT_VALUE  (was: Optimize MMR logic within DiscardAttributeChecker.DEFAULT)


> Optimize MMR logic within DiscardAttributeChecker.DEFAULT_VALUE
> ---------------------------------------------------------------
>
>                 Key: WFCORE-4918
>                 URL: https://issues.redhat.com/browse/WFCORE-4918
>             Project: WildFly Core
>          Issue Type: Task
>          Components: Management
>    Affects Versions: 12.0.0.Beta1
>            Reporter: Paul Ferraro
>            Assignee: Paul Ferraro
>            Priority: Major
>
> See:
> https://github.com/wildfly/wildfly-core/blob/master/controller/src/main/java/org/jboss/as/controller/registry/AbstractResourceRegistration.java#L172
> https://github.com/wildfly/wildfly-core/blob/master/controller/src/main/java/org/jboss/as/controller/registry/AbstractResourceRegistration.java#L209
> Basically, in order to deal with the possibility of override registrations, calls to an MRR typically result in it internally working up to the root of the MRR tree and then walking back down to the target address. So this:
> {code:java}
> ImmutableManagementResourceRegistration registration = context.getResourceRegistrationFromRoot(address);
> AttributeDefinition definition = registration.getAttributeAccess(PathAddress.EMPTY_ADDRESS, attributeName).getAttributeDefinition();
> {code}
> is less efficient than:
> {code:java}
> ImmutableManagementResourceRegistration registration = context.getResourceRegistrationFromRoot(PathAddress.EMPTY_ADDRESS);
> AttributeDefinition definition = registration.getAttributeAccess(address, attributeName).getAttributeDefinition();
> {code}



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