public void run() throws Exception {
EntityManagerFactory emf = PersistenceManager.getInstance().getEntityManagerFactory();
EntityManager em = emf.createEntityManager();
setupMessageListener();
ETask task;
try {
while (true) {
ObjectMessage msg;
TaskMessage tm;
Message mm;
System.out.println("Waiting for message...");
mm = receiver.receive();
System.out.println("Message received");
if (mm instanceof ObjectMessage) {
msg = (ObjectMessage) mm;
tm = (TaskMessage) msg.getObject();
try {
task =
(ETask)
em.createNamedQuery("ETask.findById")
.setParameter("id", tm.getTaskId())
.setHint("toplink.refresh", true)
.getSingleResult();
if (!task.getStatus().equals(ETask.statusSysError)) {
processTask(task, msg, em);
} else {
System.out.println("Task marked as broken, omitting.");
}
} catch (NoResultException e) {
System.out.println("Task has been deleted");
}
}
mm.acknowledge();
}
} finally {
closeReceiver();
PersistenceManager.getInstance().closeEntityManagerFactory();
}
}
