Java tutorial
/* * Copyright 2002-2012 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.orm.hibernate4; import org.hibernate.FlushMode; import org.hibernate.Session; import org.hibernate.context.internal.JTASessionContext; import org.hibernate.engine.spi.SessionFactoryImplementor; import org.springframework.transaction.support.TransactionSynchronizationManager; /** * Spring-specific subclass of Hibernate's JTASessionContext, * setting {@code FlushMode.MANUAL} for read-only transactions. * * @author Juergen Hoeller * @since 3.1 */ @SuppressWarnings("serial") public class SpringJtaSessionContext extends JTASessionContext { public SpringJtaSessionContext(SessionFactoryImplementor factory) { super(factory); } @Override protected Session buildOrObtainSession() { Session session = super.buildOrObtainSession(); if (TransactionSynchronizationManager.isCurrentTransactionReadOnly()) { session.setFlushMode(FlushMode.MANUAL); } return session; } }