Messaging Bean

Hi 

 

We are using Messaging Beans on our project. The message bean in turn
will be calling different java classes for performing some actions.

The java classes will be having business logic and will access the DB.
We will process billions of records.

 

I wanted to decide on using EJBs against normal java classes in this
scenario.

 

1)       Billions of rows of data to be processed

2)       Lots of calculation involved in processing data

3)       Weblogic clustering - need to load balance requests received by
MDB across instances.

 

Any thoughts? What do we loose when we use normal java classes in this
scenario as against using session beans

 

Thanks

 

 


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