/**
* 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;
}
/** {@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);
}
}
}
/** {@inheritDoc} */
@Override
public void stop() throws IgniteException {
if (closeSesOnStop && sesFactory != null && !sesFactory.isClosed()) sesFactory.close();
}