001/* 002 * Copyright 2002-2016 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.orm.hibernate5; 018 019import org.hibernate.FlushMode; 020import org.hibernate.Session; 021import org.hibernate.context.internal.JTASessionContext; 022import org.hibernate.engine.spi.SessionFactoryImplementor; 023 024import org.springframework.transaction.support.TransactionSynchronizationManager; 025 026/** 027 * Spring-specific subclass of Hibernate's JTASessionContext, 028 * setting {@code FlushMode.MANUAL} for read-only transactions. 029 * 030 * @author Juergen Hoeller 031 * @since 4.2 032 */ 033@SuppressWarnings("serial") 034public class SpringJtaSessionContext extends JTASessionContext { 035 036 public SpringJtaSessionContext(SessionFactoryImplementor factory) { 037 super(factory); 038 } 039 040 @Override 041 @SuppressWarnings("deprecation") 042 protected Session buildOrObtainSession() { 043 Session session = super.buildOrObtainSession(); 044 if (TransactionSynchronizationManager.isCurrentTransactionReadOnly()) { 045 session.setFlushMode(FlushMode.MANUAL); 046 } 047 return session; 048 } 049 050}