Mutilple calls in one transaction - what's the best way?

I need a session bean to perform following functionality (rought each one
corresponds to a method)
- update customer profile (name, address, etc., they are in one table)
- update customer's services
- update customer's phone book (they are in separate table)
The bottom line is, I want to give max flexibility to calling clients so
they can choose to perform any combination of the functionality, yet still
do all that in one transaction.
I could:
a. make the bean a stateful session bean, make 2 methods, one to start
transaction and one to commit/rollback it, and let the servlet call them,
and call any update method in between. (guess i have to use bean-managed
transaction)
b. make the bean stateless and container-managed transaction (marked
required/support), let the servet start userTransaction, and call the bean
methods passing the state (i.e. account#).
I tend to think <b> is the better way, <a> is not recommended according to
WLS documentation.
Any other better way?
thanks

Take a look at the session facade pattern. It is like your b. version but
with an extra class that handles the transaction separated from the servlet.
// Björn Caroll
"Alan Tang" <[email protected]> wrote in message
news:[email protected]..
I need a session bean to perform following functionality (rought each one
corresponds to a method)
- update customer profile (name, address, etc., they are in one table)
- update customer's services
- update customer's phone book (they are in separate table)
The bottom line is, I want to give max flexibility to calling clients so
they can choose to perform any combination of the functionality, yet still
do all that in one transaction.
I could:
a. make the bean a stateful session bean, make 2 methods, one to start
transaction and one to commit/rollback it, and let the servlet call them,
and call any update method in between. (guess i have to use bean-managed
transaction)
b. make the bean stateless and container-managed transaction (marked
required/support), let the servet start userTransaction, and call the bean
methods passing the state (i.e. account#).
I tend to think <b> is the better way, <a> is not recommended according to
WLS documentation.
Any other better way?
thanks

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Mutilple calls in one transaction - what's the best way?

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