[Building Sakai] Rosters Working

[Dan McCallum]

Sites are bound to Sections, not (directly to) EnrollmentSets. The 
binding is persisted to SAKAI_REALM.PROVIDER_ID and can be accessed 
in-memory via AuthzGroup.getProviderGroupId(). Site extends AuthzGroup.

The default AuthzGroupService impl uses a GroupProvider to calculate 
AuthzGroup memberships just-in-time-ish based on an external authority. 
Sakai provides a CourseManagementGroupProvider which treats the Course 
Management APIs as that external authority. This is how enrollees in 
your EnrollmentSets and members up and down the CM hierarchy are 
automatically added and removed from your Sites.

See Confluence for a detailed explanation of the default 
CourseManagementGroupProvider behavior [1].

- Dan

1 - 
https://confluence.sakaiproject.org/display/IMSES/Simple+Sakai+SIS+Services#SimpleSakaiSISServices-{{GroupProvider}}Configuration

On 02/24/2011 01:06 PM, Shoaib Chaudhary wrote:
> Hello,
>
> I was investigating roster's working in Sakai from few days. One thing
> that confused me a lot if some one can let me know that how Sakai stores
> Relationship among a course site and an Enrollment Set. Because when I
> delete member from any enrollment set it is automatically deleted from
> the course site. It is obviously because of there exists a relationship
> between course sites and enrollment sets but where? I have investigated
> Sakai Database and Roster API source code but unable to obtain answer of
> my question. Can someone please let me know.
>
> Example
> Enrollment Set 10 for course section CS101A
> Enrollment Set 11 for course Section CS101B
>
> When I create a new site I add rosters of CS101A and CS101B. As the
> result I got all the students in cS101A and CS101B as the members in
> their respective sites. When I delete a student from cS101A it is
> deleted from course site as well.
>
> Where are the following relationships?
> Site CS101A with Enrollment Set 10
> Site CS101B with Enrollment Set 11
>
> Many Thanks in advance.
>
> Regards
> /*MUHAMMAD SHOAIB*/
>
>
>
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