/**
* Gets Hibernate session.
*
* @param tx Cache transaction.
* @return Session.
*/
Session session(@Nullable GridCacheTx tx) {
Session ses;
if (tx != null) {
ses = tx.meta(ATTR_SES);
if (ses == null) {
ses = sesFactory.openSession();
ses.beginTransaction();
// Store session in transaction metadata, so it can be accessed
// for other operations on the same transaction.
tx.addMeta(ATTR_SES, ses);
if (log.isDebugEnabled())
log.debug("Hibernate session open [ses=" + ses + ", tx=" + tx.xid() + "]");
}
} else {
ses = sesFactory.openSession();
ses.beginTransaction();
}
return ses;
}
public static Session currentSession() {
Session s = (Session) session.get();
// Open a new Session, if this Thread has none yet
if (s == null) {
s = sessionFactory.openSession();
session.set(s);
}
return s;
}
public static Session openSession() throws HibernateException {
buildIfNeeded();
Session session = (Session) threadLocal.get();
if (session == null || !session.isOpen()) {
session = sessionFactory.openSession();
threadLocal.set(session);
}
return session;
}
public static Session currentSession() throws HibernateException {
Session s = session.get();
// 如果该线程还没有Session,则创建一个新的Session
if (s == null) {
s = sessionFactory.openSession();
// 将获得的Session变量存储在ThreadLocal变量session里
session.set(s);
}
return s;
}
/** {@inheritDoc} */
@Override
public void onSessionStart(CacheStoreSession ses) {
if (ses.attachment() == null) {
try {
Session hibSes = sesFactory.openSession();
ses.attach(hibSes);
if (ses.isWithinTransaction()) hibSes.beginTransaction();
} catch (HibernateException e) {
throw new CacheWriterException(
"Failed to start store session [tx=" + ses.transaction() + ']', e);
}
}
}
public static void main(String[] args) {
Configuration cfg = new Configuration();
cfg = cfg.configure("hibernate.oracle.cfg.xml");
SessionFactory factory = cfg.buildSessionFactory();
Session ses = factory.openSession();
Bank b = new Bank();
String name;
name = "SBI";
// b.setSid(sid);
b.setName(name);
Transaction tx = ses.beginTransaction();
ses.persist(b);
tx.commit();
ses.close();
System.out.println("Record Inserted!");
factory.close();
}
public static Session getSession() {
return sessionFactory.openSession();
}