spring SessionHolder 源码
spring SessionHolder 代码
文件路径：/spring-orm/src/main/java/org/springframework/orm/hibernate5/SessionHolder.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.Transaction;
import org.springframework.lang.Nullable;
import org.springframework.orm.jpa.EntityManagerHolder;
/**
* Resource holder wrapping a Hibernate {@link Session} (plus an optional {@link Transaction}).
* {@link HibernateTransactionManager} binds instances of this class to the thread,
* for a given {@link org.hibernate.SessionFactory}. Extends {@link EntityManagerHolder}
* as of 5.1, automatically exposing an {@code EntityManager} handle on Hibernate 5.2+.
*
* <p>Note: This is an SPI class, not intended to be used by applications.
*
* @author Juergen Hoeller
* @since 4.2
* @see HibernateTransactionManager
* @see SessionFactoryUtils
*/
public class SessionHolder extends EntityManagerHolder {
@Nullable
private Transaction transaction;
@Nullable
private FlushMode previousFlushMode;
public SessionHolder(Session session) {
super(session);
}
public Session getSession() {
return (Session) getEntityManager();
}
public void setTransaction(@Nullable Transaction transaction) {
this.transaction = transaction;
setTransactionActive(transaction != null);
}
@Nullable
public Transaction getTransaction() {
return this.transaction;
}
public void setPreviousFlushMode(@Nullable FlushMode previousFlushMode) {
this.previousFlushMode = previousFlushMode;
}
@Nullable
public FlushMode getPreviousFlushMode() {
return this.previousFlushMode;
}
@Override
public void clear() {
super.clear();
this.transaction = null;
this.previousFlushMode = null;
}
}
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