ADAM schema design - newbie help!!

Question

I have a requirement to make one of our application directory enabled with
ActiveDirectory Application Domain(ADAM). The application has to store the user
and their profiles in ADAM. The requirement is that
- there is a Network which is divided into 5 area centers
- at each level there are users like Admin,Manager,Operator etc
- There are a set of profiles available for users at every level
An g. profile for an operator at network level looks like view, search
equipment objects in the whole network (Nocc_OPR)
An eg. Profile for an admin user at the network level looks something
like all operations possible by an operator at network level plus
add, modify equipment objects in the whole network (Nocc_ADM)
Where equipment objects are objects in our application
An eg. Profile for an operator at area center level looks like view, search
equipment objects with the area center (Area1_OPR)
�     Create a top node (MyOrg) and create the following under the top node
o     5 area centers as containers
o     Admin, Manager,operator, ViewOnlyOperator, AtmSimUsr, VPN Owner, DutyOfficer, TrainingCenterLead as Groups
                    NOCC
                    |------------AreaCenter1
                    |------------ AreaCenter2
                    |------------ AreaCenter3
                    |------------ AreaCenter4
                    |------------ AreaCenter5
                    |------------NoccAdmin
                    |------------NoccOperator
�     Under every area center create a group for each user group type and thus create the following
o     Under AreaCenter1, create Area1-Manager, Area1-Operator group.
Under AreaCenter2, creaArea2-Manager, Area2-Operator group
�     Create privilege set as group under top node and under every area center. Attach the attributes to respective privilege group and assign the privilege group to the respective Active directory group.
o     NOCC
|-------Nocc_ADM (Privilege group)
|-------Nocc_OPR
o     AreaCenter1
     |--------Area1-Operator
          |--------Area1_ OPR
Now my question is ,
1)     While creating the profiles as a Group class, should I create the profile specific stuff as attributes. Eg. viewNetwork , modify network as new attributes??
2)     If so ,is the default schema that comes with ADAM enough or should I extend the schema and how do go about it??
Since Iam a novice using ADAM, any help in this area would be greatly appreciated.I did go through the admin, step-by-step guide. But I could not get the specific answer that Iam looking for.

Answer 1

There are actually techniques you could use to keep all the information about an article in the same object. This may be attractive in particular if the information is rarely updated (frequently updating a large object is costly and, unless every attribute changes with every update, breaking up the object graph making some of the objects into separate cache items is then preferable).
With the later Coherence releases there are for instance PofExtractor that allow you to extract selected parts of an object without de-serializing the whole object. You could probably use this to only extract the "price list"for a product. Combine this with a custom aggregator (that aggregates over all products a customer want to get a quote on) that could extract just that customers price from the "price list" and you would have a quite efficient solution...
As for indexes you COULD put the price list and other info from the large object in indexes but be aware that Coherence indexes are always stored on heap (other data can nowadays be stored off-heap) and also occupy a lot of space (Coherence always creates both index and reverse index and since Java objects are used to implement them there is quite a lot of overhead)... I would first look into either a 3NF-like solution with mainly primary indexes or a single cacnhe solution using PofExtractors etc...
/Magnus