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From Kiran Ayyagari <kayyag...@apache.org>
Subject Re: eSCIMo and generalizing resources
Date Fri, 15 Nov 2013 06:42:48 GMT
Patrick,


On Fri, Nov 15, 2013 at 3:14 AM, Patrick Radtke <pradtke@stanford.edu>wrote:

> I wanted to start working on/with the eSCIMo project.
> I'm interested in how to use it for adding resources besides User and
> Group.
>
> The current ProviderService interface has Resource specific methods for
> Users any Groups (e.g getUser(), patchGroup()). The SCIM specification
> allows for additional resources to be defined - either within the realm of
> the spec, or by the service provider.
> In an ideal world, I would be able to add these additional resources by
> extending ServerResource and implementing a resource specific provider
> interface, and the rest of the Server implementation would be generic
> enough to "just work". Currently that is not the case, and the server
> implementation assumes User and Group resources.
>
> yeap, the current use of UserResource and UserResource is a bit archaic,
it was coded during the
early days of implementation and later I decided to move to use the generic
ServerResource all over
hence the slowly started emptying the UserResource and UserResource
classes, all that is needed is
to update the server code.


> I think it may make sense to generalize ProviderService so that
> implementation would be both Resource and Backend specific. As example,
> implementations could be like:
>  LdapUserResourceProvider - a User resource that is provide from ldap
>  XmlGroupResourceProvider - a group resource that is provided from an xml
> file
>  JpaPizzaResourceProvider - a Pizza resource that comes from a DB
>
> Then  at the RESTful server level, instead of defining resource specific
> endpoints like GroupService and UserService, a generic ResourceService
> could determine the corresponding resource specific ProvderService
> implementation based on the URL. For example, if ResourceService saw
> /Users/123 it could user the string "Users" to look up in a factory, or a
> map the correct ProviderService.
>
> What do people think? Other ideas?
>
> Can you file a JIRA report for this here
https://issues.apache.org/jira/browse/ESCIMO , include your
recommendations as well.

thank you

> thanks,
>
> Patrick
>



-- 
Kiran Ayyagari
http://keydap.com

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