/**
* Opens new session or returns currently open session for this thread.
*
* @return session object.
* @throws HibernateException if something with session creation goes wrong.
*/
public static Session openSession() throws HibernateException {
if (!inited) init();
Session s = SESSION.get();
if (s != null) {
LOG.log(
Level.WARNING,
"Openning session more than once from the same thread!",
new Exception("Dump"));
s.clear();
return s;
} else {
try {
lock.lock();
} catch (InterruptedException e) {
throw new RuntimeException("Interrupted waiting for session.");
}
s = sessionHandler.getSession();
SESSION.set(s);
}
return s;
}
/**
* Performs initialization.
*
* @throws HibernateException if problems with Hibernate occur.
*/
private static synchronized void init() throws HibernateException {
// Create the SessionFactory
sessionHandler = SessionHandler.getInstance(System.getProperties());
inited = true;
}