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https://issues.apache.org/jira/browse/QPID-7601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847680#comment-15847680
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ASF subversion and git services commented on QPID-7601:
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Commit 1781186 from [email protected] in branch 'java/trunk'
[ https://svn.apache.org/r1781186 ]
QPID-7601: Validation of derived attribute values with abstract management type
annotation should pass
> [Java Broker] Allow annotations to define ManagedAttributeValueTypes as
> abstract, some methods as derived
> ---------------------------------------------------------------------------------------------------------
>
> Key: QPID-7601
> URL: https://issues.apache.org/jira/browse/QPID-7601
> Project: Qpid
> Issue Type: Improvement
> Components: Java Broker
> Reporter: Rob Godfrey
> Assignee: Rob Godfrey
> Fix For: qpid-java-7.0
>
>
> ManagedAttributeValueTypes may form a type hierarchy, however there is no way
> for a value to be resolved to a particular instance class.
> A type can be marked as abstract meaning that it cannot itself be
> instantiated from an input value (i.e. it cannot be used as a managed
> attribute, or the input to an operation). An abstract type can be used as an
> output value (e.g. as a return value from an operation, or as a derived
> attribute).
> Further we should allow ManagedAttributeTypes to themselves have derived
> attributes. These attributes should be returned from query methods, but not
> persisted, and values for these attributes should be ignored when present in
> input data.
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