0 Replies Latest reply on Dec 4, 2011 9:34 AM by 903521

    Dispatch messages system design consult

      I have a design question and would like to have suggestions.

      I am using Weblogic 11g, EJB3.0 , Weblogic JMs

      I have a system which it's target to retrieve and dispatch messages to couple of resources(databases).

      Each message contain information and target database key.

      So here is an flow example:

      I get from web service a message and key target. I parse the message and dispatch it to the right database via the key target.

      There is a possibility that a message will contain more then one target database.(for example the key 'all' means that I should dispatch to all databases.

      If Insert is failing in one of the resources a rollback will occurred and I a re-try will re-execute the whole operation.

      So now this is my issue:

      Should I make the number of the queues as the number of my resources? (and dedicated each Queue to a specific resource)

      (In this case I parse each message and just send it to the right queue while an MDB will listen and do the insertion to the right database)

      If I do it that way I wont be able to make it dynamic, Meaning each time a new resource will need to be added/removed in the future I will need to open the code and make the right changes.

      What you desgigners think? How could I implement it better dynamiclly?

      thanks for your help,