hmm well, so I'm off topic with the link ...
I'm sorry but I don't understand which point is blocking you, the subject is not really clear,
Did you mean you have to manage authentication tables with ADF ?
In our project we are providing security (roles ,responsibilities & approvals) for accessing the obiee reports to our employees(who are developing ).
commonly in obiee , we are assigning a roles to dashboard . same thing we want to develop in adf give roles to dashboard and access the all those dashboard.