[jboss-user] [JBoss Seam] - Re: Nested conversations and transaction management

[christian.bauer@jboss.com]

anonymous wrote : 
  | 1) Can you give me some reference to learn more about transactions that span HTTP requests ? 
  | 

This is extremely rare, it involves suspension of the transaction on a Java EE server. I'd rather not give you any references on this because you will certainly try it - without understanding why you (don't) need it. Forget that I even mentioned it :)

anonymous wrote : 
  | 2) Can @Begin(flushMode=MANUAL) help me ? 
  | 

Of course, the unflushed persistence context can be held for several requests and is then flushed in the last request of a conversation. This is the basic conversational programming model in Seam, widely documented.

anonymous wrote : 
  | 3) Why seam has not options that let user manage the transactions as needed ? Am I using seam in the wrong way ? 
  | 

Yes, you have a fuzzy picture about what system transactions are and now look for the wrong solutions. Seam and Java EE have _all_ options you need to handle transactions. Don't jump into the middle trying to use nested conversations, long-running persistence contexts, and complex EJB/transaction assemblies, without understanding the basics first.


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