With JEE transaction I would have to handle everything manually? Like so
UserTransaction transaction = (UserTransaction)new
InitialContext().lookup("java:comp/UserTransaction");
transaction.begin();
EntityManager em = getEntityManager();
Employee employee = em.find(Employee.class, id);
employee.setSalary(employee.getSalary() + 1000);
transaction.commit();
http://en.wikibooks.org/wiki/Java_Persistence/Transactions
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