private DbInvocation recordInvocation(
PersistenceManager pm, LogIn loginMsg, SqlCloudSession session) {
DbInvocation invocation = persistenceHelper.createDbInvocation();
invocation.setWho(session.getUser());
invocation.setStartTime(loginMsg.getAnalysisTimestamp());
Transaction tx = pm.currentTransaction();
tx.begin();
try {
invocation = pm.makePersistent(invocation);
tx.commit();
} finally {
if (tx.isActive()) {
tx.rollback();
}
}
return invocation;
}
