private void beginTrx() {
try {
UserTransaction trx = userTransactionProvider.get();
String trxStatus = "";
if (trx.getStatus() == Status.STATUS_NO_TRANSACTION) {
trx.begin();
}
EntityManager em = emProvider.get();
em.joinTransaction();
trxStatus =
trx.getStatus()
+ "; em = "
+ em
+ "[Open="
+ em.isOpen()
// +", joinedToTrx="+em.isJoinedToTransaction()+"]"
+ "; UserTrx="
+ trx;
log.debug(": Executing beginTrx ; TrxStatus " + trxStatus);
} catch (Exception e) {
e.printStackTrace();
}
}
private void commitTrx() {
EntityManager em = emProvider.get();
UserTransaction trx = userTransactionProvider.get();
try {
String trxStatus =
userTransactionProvider.get().getStatus()
+ "; em = "
+ emProvider.get()
+ "; UserTrx="
+ userTransactionProvider.get();
log.debug(": Executing Commit doFilterTrx - ; TrxStatus " + trxStatus);
// if(entityManagers.get()!=null)
int status = trx.getStatus();
/*
* STATUS_ACTIVE 0 STATUS_COMMITTED 3 STATUS_COMMITTING 8
* STATUS_MARKED_ROLLBACK 1 STATUS_NO_TRANSACTION 6 STATUS_PREPARED
* 2 STATUS_PREPARING 7 STATUS_ROLLEDBACK 4 STATUS_ROLLING_BACK 9
* STATUS_UNKNOWN 5
*/
// JBPM engine marks transactions for rollback everytime
// something goes wrong - it does'nt necessarily throw an exception
if (status == 1 || status == 4 || status == 9) {
log.warn("Rolling Back Trx with status " + status);
trx.rollback();
} else {
log.debug("Commiting Back Trx with status " + status);
trx.commit();
}
} catch (SecurityException
| IllegalStateException
| RollbackException
| HeuristicMixedException
| HeuristicRollbackException
| SystemException e) {
e.printStackTrace();
}
}