spring SpringJtaSessionContext 源码
spring SpringJtaSessionContext 代码
文件路径：/spring-orm/src/main/java/org/springframework/orm/hibernate5/SpringJtaSessionContext.java
/*
* Copyright 2002-2020 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
*
* https://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.hibernate5;
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 4.2
*/
@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.setHibernateFlushMode(FlushMode.MANUAL);
}
return session;
}
}
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