[jboss-as7-dev] Attributes, metrics, additional descriptive information for such

[Emanuel Muckenhuber]

On 01/31/2011 02:37 PM, Dimitris Andreadis wrote:
> What if I have a transient writable field, e.g. enable-metrics, that is not part of the
> configuration info and I am not interested in persisting?
>

You can have runtime attribute handlers - which interact with services 
directly but don't affect the state of the domain model itself.

> Also, can a subsystem update it's configuration without external intervention, e.g., I
> haven't specified a certain field, or it's set wrong and the subsystem falls back to some
> default.
>

The operation handlers registered by each subsystem would be responsible 
for validation and proper handling in case you define a wrong value. 
"default values" wouldn't be present in the configuration model itself, 
since we don't want them to get persisted. However they should be part 
of the metadata description of the model.

> On 31/01/2011 15:29, Kabir Khan wrote:
>> On 31 Jan 2011, at 13:27, Dimitris Andreadis wrote:
>>
>>> What's the defining feature between configuration info&
>> max-pool-count
>>
>>> (runtime) metrics?
>> current-pool-count
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