[jira] Commented: (BEEHIVE-100) Configurable services definition

["Kyle Marvin (JIRA)" <be...@incubator.apache.org>]

     [ http://nagoya.apache.org/jira/browse/BEEHIVE-100?page=comments#action_56034 ]
     
Kyle Marvin commented on BEEHIVE-100:
-------------------------------------

I've been thinking about this some... but the route I was considering wasn't so much explicit configuration as it was implicit.

What I mean by this is to have a well-defined mapping of some sort (by convention or some other mechanism) from a service interface to locate its provider.   As an example, let's say the convention is that the contextual service XXX will have a provider named XXXProvider.  A slightly more elegant approach might be to use an annotation on the service interface to define the associated BeanContextServiceProvider class.

The runtime can then automatically locate the provider (via classloader) and do the service provisioning.   All that's required is to modify the BeanContext.getService() implementation to use the above algorithm, in addition to looking at a statically registered list.

The benefit of this is that adding new contextual services is as simple as dropping a jar into the appropriate location... no file manipulation required.

I look at external XML configuration as just a better way to build a static service list... but it's not particularly dynamic, because you have to modify local config files to see new services.

Totally agree the that current mechanism (a static list, defined in code) is not good enough.

Comments?

> Configurable services definition
> --------------------------------
>
>          Key: BEEHIVE-100
>          URL: http://nagoya.apache.org/jira/browse/BEEHIVE-100
>      Project: Beehive
>         Type: New Feature
>   Components: Controls
>     Versions: V1Alpha
>     Reporter: C Brett Bennett
>     Priority: Minor

>
> A simple scheme to allow for a container specific control container context to have a configurable set of services to be defined. This scheme can then be implemented within
> various containers, including standalone ones to define the services to be provided within
> those container.

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