Please review draft JEP: JMX Specific Annotations for Registration of Managed Resources

Eamonn McManus eamonn at mcmanus.net
Wed Mar 4 01:09:57 UTC 2015


Could you explain what you mean by this, regarding the annotations
that were already agreed on by the JSR 255 Expert Group:

* Smaller scope compared to the proposed solution
* Conceptually in pre JDK7 era

I have a number of other comments, but procedurally I'm not sure what
the precedent is for summarily discarding work previously done in the
JCP on the same subject. I'd certainly have expected this JEP to start
from that work, rather than proposing a starting point that isn't even
correct Java.

Éamonn McManus, former JSR 255 Spec Lead

2015-03-03 8:27 GMT-08:00 Jaroslav Bachorik <jaroslav.bachorik at oracle.com>:
>
> Hi all,
>
> Please review this draft JEP for JMX Specific Annotations for Registration of Managed Resources:
>
>      https://bugs.openjdk.java.net/browse/JDK-8044507
>
> Background:
> Current mechanism of defining an MBean requires to provide an MBean interface and its implementation. The interface and the implementation must conform to the strict naming and visibility rules in order for the introspection to be able to bind them.
>
> At least the same level of verbosity is required when adding an MBeanInfo to generate MBean metadata.
>
> All this leads to a rather verbose code containing a lot of repeating boilerplate parts even for the most simple MBean registrations.
>
> This JEP proposes to add a set of annotations for registration and configuration of manageable resources (in other word 'MBeans'). These annotations will be used to generate all the metadata necessary for a resources to be accepted by the current JMX system.
>
> Thanks,
>
> -JB-


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