Dynamically connecting to two different DataSources in ADF BC application.

Hi All,
I have a requirement where my ADF BC application need to connect to different data bases(connections maintined as datasources in OAS) depending on the user logs in.
I have two databases schemas TENCA and TENUS for which I have created a datasources with jndi loaction names as jdbc/TENCA and jdbc/TENUS in OAS and I have hardcorded jdbc/TENCA in the JDev 10.1.3.2 for the Appln Model ServiceImpl by editing the configurations of ServiceImpl and deployed the ADF BC application on OAS with this I was able to access data of TENCA schema but not the TENUS. IS there any way I can dynamically point DAF BC appln to different datasources during appln start up? Please assist.
Thanks,
Muniraj

Thanks Timo,
link: ADF BC: Choosing between two identical DB schemas on application startup
looks like give more closer solution for my problem but still..
Thanks,
Muniraj

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