[jboss-as7-dev] dmr: server instances?

[Heiko Braun]

I've created an issue for it:
https://issues.jboss.org/browse/JBAS-9130



On Mar 18, 2011, at 4:10 PM, Brian Stansberry wrote:

> On 3/18/11 10:01 AM, Emanuel Muckenhuber wrote:
>> On 03/18/2011 03:45 PM, Brian Stansberry wrote:
>>> On 3/18/11 7:03 AM, Heiko Braun wrote:
>>>> 
>>>> is the 'server' node the element that contains server instances?
>>> 
>>> Yes; that's where you access the actual running server.
>>> 
>>> The operations to actually start/stop/restart the server and check their
>>> status are under "server-config" which I'm not happy about. Not
>>> intuitive. It's that way because of a kind of chicken-and-egg problem.
>>> 
>>> Emanuel, WDYT about a more sophisticated ProxyController for the
>>> servers? Installed by the ServerAddHandler. It handles the lifecycle and
>>> status ops directly; proxies the rest. Where it gets complicated is
>>> things like read-resource, read-resource-description, read-attribute,
>>> all of which would require custom handling. It also make a server
>>> resource an odd duck, since it's resource description varies depending
>>> on whether the server is started.
>>> 
>> 
>> Yes, we could think of doing something like that - maybe we should just
>> create a ManagedServer for all configured servers and make it the proxy.
>> It should be aware of the lifecyle/state of the server anyway and also
>> holds the associated managed connection.
>> 
> 
> Yes, that sounds like the right way to implement it.
> 
> Heiko/Ike/Emanuel/anyone -- any concerns about the "resource description 
> varies" issue?
> 
> What I mean is, for all other resources, read-resource-description will 
> return fixed content. For host=x,server=y it will vary depending on 
> whether the server is actually started. If not running, it will just 
> provide the operation to start the server and a "status" attribute, 
> which will tell you it's stopped. Once you start the server, then 
> read-resource-description will provide that, plus ops to stop and 
> restart the server, plus all the normal attributes and operations 
> exposed by the root resource of a server.
> 
> 
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> 
> 
> -- 
> Brian Stansberry
> Principal Software Engineer
> JBoss by Red Hat
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