[jboss-jira] [JBoss JIRA] Commented: (AS7-187) Datasource attribute "enabled" not writable
Brian Stansberry (JIRA)
jira-events at lists.jboss.org
Tue May 3 13:58:18 EDT 2011
[ https://issues.jboss.org/browse/AS7-187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12599706#comment-12599706 ]
Brian Stansberry commented on AS7-187:
--------------------------------------
We reached consensus on this on the jboss-dev list thread:
On 04/21/2011 03:23 PM, Brian Stansberry wrote:
> > On 4/21/11 3:01 AM, Heiko Braun wrote:
>> >>
>> >> Both variants are fine. I can also understand the attempt to
>> >> distinguish operation vs attribute use cases.
>> >>
>> >> IMO this reveals one of the weak sports in the detyped API:
>> >> runtime vs. configuration properties of the system.
>> >>
>> >> to further distinguish these two I would suggest the following,
>> >> which may apply to other subsystems as well:
>> >>
>> >> - if changing the configuration impacts the runtime state (i.e. enabled->disabled)
>> >> then make it an operation
>> >> - if it's merely configuration then make it an attribute
>> >>
> > I'm fine with this, but let's clarify what "impacts the runtime state"
> > means. Many configuration changes will impact the runtime state. Instead
> > of "impacts the runtime state" I'd say "results in an MSC service
> > starting or stopping." That's the main case where an action has rippling
> > effects the user might not anticipate
> >
So based on this, the existing "enable/disable" operations are appropriate for this case, and a "write-attribute" handler is not what we want.
> Datasource attribute "enabled" not writable
> -------------------------------------------
>
> Key: AS7-187
> URL: https://issues.jboss.org/browse/AS7-187
> Project: Application Server 7
> Issue Type: Bug
> Components: JCA
> Reporter: Heiko Braun
> Assignee: Stefano Maestri
> Fix For: 7.0.0.CR1
>
>
> [localhost:9999 /] /profile=default/subsystem=datasources/data-source=myDS:write-attribute(name=enabled, value=false)
> {
> "outcome" => "failed",
> "result" => {"domain-failure-description" => "Attribute enabled is not writeable"}
> }
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