public Object intercept(Invocation invocation) throws Exception {
try {
Session session = sessionFactory.openSession();
session.setFlushMode(FlushMode.MANUAL);
SessionHolder sessionHolder = new SessionHolder(session);
TransactionSynchronizationManager.bindResource(sessionFactory, sessionHolder);
return invocation.invoke();
} catch (Exception e) {
throw e;
} finally {
SessionHolder sessionHolder =
(SessionHolder) TransactionSynchronizationManager.unbindResource(sessionFactory);
sessionHolder.getSession().close();
}
}
@Override
protected void doFilterInternal(
HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
throws ServletException, IOException {
AsyncExecutionChain chain = AsyncExecutionChain.getForCurrentRequest(request);
SessionFactory sessionFactory = lookupSessionFactory(request);
boolean participate = false;
if (TransactionSynchronizationManager.hasResource(sessionFactory)) {
// Do not modify the Session: just set the participate flag.
participate = true;
} else {
logger.debug("Opening Hibernate Session in OpenSessionInViewFilter");
Session session = openSession(sessionFactory);
SessionHolder sessionHolder = new SessionHolder(session);
TransactionSynchronizationManager.bindResource(sessionFactory, sessionHolder);
chain.push(getAsyncCallable(request, sessionFactory, sessionHolder));
}
try {
filterChain.doFilter(request, response);
} finally {
if (!participate) {
SessionHolder sessionHolder =
(SessionHolder) TransactionSynchronizationManager.unbindResource(sessionFactory);
if (!chain.pop()) {
return;
}
logger.debug("Closing Hibernate Session in OpenSessionInViewFilter");
SessionFactoryUtils.closeSession(sessionHolder.getSession());
}
}
}
@After
public void tearDown() {
SessionHolder sessionHolder =
(SessionHolder) TransactionSynchronizationManager.unbindResource(sessionFactory);
SessionFactoryUtils.closeSession(sessionHolder.getSession());
}
public static void unbindSessionFromThread(SessionFactory sessionFactory) {
SessionHolder sessionHolder =
(SessionHolder) TransactionSynchronizationManager.unbindResource(sessionFactory);
SessionFactoryUtils.closeSession(sessionHolder.getSession());
}
