Re: Messaging Bean

you will not gain much on using session beans. Can you give more details on
what you will be doing in the java classes?
Pooling and transaction is provided for MDBs also. if you are doing lot of
CRUD operations, than use of Entity EJBs should improve scalability.


/Regds
Ashwani

 -----Original Message-----
From: Sachin Tandon [mailto:[email protected]]
Sent: Tuesday, December 16, 2003 9:59 PM
To: [email protected]
Subject: 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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