Java Code Examples for org.hibernate.Session.disconnect()

The following are Jave code examples for showing how to use disconnect() of the org.hibernate.Session class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.
Example 1
Project: lemon   File: SpringSessionSynchronization.java   Source Code and License Vote up 5 votes
public void beforeCompletion() {
    Session session = this.sessionHolder.getSession();

    if (this.sessionHolder.getPreviousFlushMode() != null) {
        // In case of pre-bound Session, restore previous flush mode.
        session.setFlushMode(this.sessionHolder.getPreviousFlushMode());
    }

    // Eagerly disconnect the Session here, to make release mode "on_close" work nicely.
    session.disconnect();
}
 
Example 2
Project: lams   File: SpringSessionSynchronization.java   Source Code and License Vote up 5 votes
@Override
public void beforeCompletion() {
	Session session = this.sessionHolder.getSession();
	if (this.sessionHolder.getPreviousFlushMode() != null) {
		// In case of pre-bound Session, restore previous flush mode.
		session.setFlushMode(this.sessionHolder.getPreviousFlushMode());
	}
	// Eagerly disconnect the Session here, to make release mode "on_close" work nicely.
	session.disconnect();
}
 
Example 3
Project: lams   File: SpringSessionSynchronization.java   Source Code and License Vote up 5 votes
@Override
public void afterCompletion(int status) {
	try {
		if (!this.hibernateTransactionCompletion || !this.newSession) {
			// No Hibernate TransactionManagerLookup: apply afterTransactionCompletion callback.
			// Always perform explicit afterTransactionCompletion callback for pre-bound Session,
			// even with Hibernate TransactionManagerLookup (which only applies to new Sessions).
			Session session = this.sessionHolder.getSession();
			// Provide correct transaction status for releasing the Session's cache locks,
			// if possible. Else, closing will release all cache locks assuming a rollback.
			try {
				if (session instanceof SessionImplementor) {
					((SessionImplementor) session).afterTransactionCompletion(status == STATUS_COMMITTED, null);
				}
			}
			finally {
				// Close the Hibernate Session here if necessary
				// (closed in beforeCompletion in case of TransactionManagerLookup).
				if (this.newSession) {
					SessionFactoryUtils.closeSessionOrRegisterDeferredClose(session, this.sessionFactory);
				}
				else if (!this.hibernateTransactionCompletion) {
					session.disconnect();
				}
			}
		}
		if (!this.newSession && status != STATUS_COMMITTED) {
			// Clear all pending inserts/updates/deletes in the Session.
			// Necessary for pre-bound Sessions, to avoid inconsistent state.
			this.sessionHolder.getSession().clear();
		}
	}
	finally {
		if (this.sessionHolder.doesNotHoldNonDefaultSession()) {
			this.sessionHolder.setSynchronizedWithTransaction(false);
		}
	}
}
 
Example 4
Project: dhus-core   File: HibernateDao.java   Source Code and License Vote up 4 votes
/**
 * <p>Returns a List of <b>T</b> entities, where HQL clauses can be
 * specified.</p>
 * 
 * Note: This method is useful in read only. It can be use to delete or 
 * create <b>T</b> entities, but caution with <code>top</code> and 
 * <code>skip</code> arguments.
 * 
 * @param clauses query clauses (WHERE, ORDER BY, GROUP BY), if null no
 * clauses are apply.
 * @param skip number of entities to skip.
 * @param n  number of entities max returned.
 * @return a list of <b>T</b> entities.
 * @deprecated use of {@link #listCriteria(DetachedCriteria, int, int)}
 */
@Deprecated
@SuppressWarnings ("unchecked")
public List<T> scroll (final String clauses, final int skip, final int n)
{
   StringBuilder hql = new StringBuilder ();
   hql.append ("FROM ").append (entityClass.getName ());
   if (clauses != null)
      hql.append (" ").append (clauses);

   Session session;
   boolean newSession = false;
   try
   {
      session = getSessionFactory ().getCurrentSession ();
   }
   catch (HibernateException e)
   {
      session = getSessionFactory ().openSession ();
      newSession = true;
   }

   Query query = session.createQuery (hql.toString ());
   if (skip > 0) query.setFirstResult (skip);
   if (n > 0) 
   {
      query.setMaxResults (n);
      query.setFetchSize (n);
   }
   
   logger.info("Execution of HQL: " + hql.toString ());
   long start = System.currentTimeMillis ();

   List<T> result = (List<T>) query.list ();
   logger.info("HQL executed in " + 
      (System.currentTimeMillis() -start) + "ms.");

   if (newSession)
   {
      session.disconnect ();
   }

   return result;
}
 
Example 5
Project: lams   File: HibernateTransactionManager.java   Source Code and License Vote up 4 votes
@Override
protected void doCleanupAfterCompletion(Object transaction) {
	HibernateTransactionObject txObject = (HibernateTransactionObject) transaction;

	// Remove the session holder from the thread.
	if (txObject.isNewSessionHolder()) {
		TransactionSynchronizationManager.unbindResource(getSessionFactory());
	}

	// Remove the JDBC connection holder from the thread, if exposed.
	if (getDataSource() != null) {
		TransactionSynchronizationManager.unbindResource(getDataSource());
	}

	Session session = txObject.getSessionHolder().getSession();
	if (this.prepareConnection && session.isConnected() && isSameConnectionForEntireSession(session)) {
		// We're running with connection release mode "on_close": We're able to reset
		// the isolation level and/or read-only flag of the JDBC Connection here.
		// Else, we need to rely on the connection pool to perform proper cleanup.
		try {
			Connection con = ((SessionImplementor) session).connection();
			DataSourceUtils.resetConnectionAfterTransaction(con, txObject.getPreviousIsolationLevel());
		}
		catch (HibernateException ex) {
			logger.debug("Could not access JDBC Connection of Hibernate Session", ex);
		}
	}

	if (txObject.isNewSession()) {
		if (logger.isDebugEnabled()) {
			logger.debug("Closing Hibernate Session [" + session + "] after transaction");
		}
		SessionFactoryUtils.closeSession(session);
	}
	else {
		if (logger.isDebugEnabled()) {
			logger.debug("Not closing pre-bound Hibernate Session [" + session + "] after transaction");
		}
		if (txObject.getSessionHolder().getPreviousFlushMode() != null) {
			session.setFlushMode(txObject.getSessionHolder().getPreviousFlushMode());
		}
		if (!this.hibernateManagedSession) {
			session.disconnect();
		}
	}
	txObject.getSessionHolder().clear();
}
 
Example 6
Project: lams   File: HibernateTransactionManager.java   Source Code and License Vote up 4 votes
@Override
@SuppressWarnings("deprecation")
protected void doCleanupAfterCompletion(Object transaction) {
	HibernateTransactionObject txObject = (HibernateTransactionObject) transaction;

	// Remove the session holder from the thread.
	if (txObject.isNewSessionHolder()) {
		TransactionSynchronizationManager.unbindResource(getSessionFactory());
	}

	// Remove the JDBC connection holder from the thread, if exposed.
	if (getDataSource() != null) {
		TransactionSynchronizationManager.unbindResource(getDataSource());
	}

	Session session = txObject.getSessionHolder().getSession();
	if (this.prepareConnection && session.isConnected() && isSameConnectionForEntireSession(session)) {
		// We're running with connection release mode "on_close": We're able to reset
		// the isolation level and/or read-only flag of the JDBC Connection here.
		// Else, we need to rely on the connection pool to perform proper cleanup.
		try {
			Connection con = session.connection();
			DataSourceUtils.resetConnectionAfterTransaction(con, txObject.getPreviousIsolationLevel());
		}
		catch (HibernateException ex) {
			logger.debug("Could not access JDBC Connection of Hibernate Session", ex);
		}
	}

	if (txObject.isNewSession()) {
		if (logger.isDebugEnabled()) {
			logger.debug("Closing Hibernate Session [" + SessionFactoryUtils.toString(session) +
					"] after transaction");
		}
		SessionFactoryUtils.closeSessionOrRegisterDeferredClose(session, getSessionFactory());
	}
	else {
		if (logger.isDebugEnabled()) {
			logger.debug("Not closing pre-bound Hibernate Session [" +
					SessionFactoryUtils.toString(session) + "] after transaction");
		}
		if (txObject.getSessionHolder().getPreviousFlushMode() != null) {
			session.setFlushMode(txObject.getSessionHolder().getPreviousFlushMode());
		}
		if (!this.hibernateManagedSession) {
			session.disconnect();
		}
	}
	txObject.getSessionHolder().clear();
}