[jboss-user] [JCA/JBoss] - Re: Stateless EJB calling WorkManager directly - legal?

[vickyk]

"gsniderJBoss" wrote : How can I coordinate these transactions? Do I need an RA? 
Ok after looking at this post again and Adrian's response I think you should set the Xid on the ExecutionContext , this will not create new transaction TX2. Oh you have done this and I did not read this , my bad :(
 
Here is the code from older TM which basically imports the Transaction from XId supplied to ExecutionContext
public void registerWork(Work work, Xid xid, long timeout) throws WorkCompletedException
  |    {
  |       if (trace)
  |          log.trace("registering work=" + work + " xid=" + xid + " timeout=" + timeout); 
  |       try
  |       {
  |          TransactionImpl tx = importExternalTransaction(xid, timeout);
  |          tx.setWork(work);
  |       }
  |       catch (WorkCompletedException e)
  |       {
  |          throw e;
  |       }
  |       catch (Throwable t)
  |       {
  |          WorkCompletedException e = new WorkCompletedException("Error registering work", t);
  |          e.setErrorCode(WorkException.TX_RECREATE_FAILED);
  |          throw e;
  |       }
  |       if (trace)
  |          log.trace("registered work= " + work + " xid=" + xid + " timeout=" + timeout); 
  |    }
http://anonsvn.jboss.org/repos/jbossas/branches/Branch_4_2/transaction/src/main/org/jboss/tm/TxManager.java
And this should also be handled in new TM(JbossTS) .

I need to see how to get the Xid , this is what will not be portable across the AS's . 

"gsniderJBoss" wrote : But I cannot for the life of me get the Xid of the first transaction (TX1 above).
I think you should do this 
1) Get the TransactionManger from jndi .
2) Call getTransaction() on [1]
3) This Transaction obtained from [2] should be able to give you the Xid , I can see the older TM having getXid() method.
http://anonsvn.jboss.org/repos/jbossas/branches/Branch_4_2/transaction/src/main/org/jboss/tm/TransactionImpl.java 

I need to find out how this can be done with Arjuna as 4.2.2 will have it , I will look at it . If you want to know about this quicker go to the Transaction forums Or dig code yourself if you are not lazy :)



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