org.springframework.orm.jpa.EntityManagerHolder Maven / Gradle / Ivy
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/*
* Copyright 2002-2007 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.jpa;
import javax.persistence.EntityManager;
import org.springframework.transaction.SavepointManager;
import org.springframework.transaction.support.ResourceHolderSupport;
import org.springframework.util.Assert;
/**
* Holder wrapping a JPA EntityManager.
* JpaTransactionManager binds instances of this class to the thread,
* for a given EntityManagerFactory.
*
* Note: This is an SPI class, not intended to be used by applications.
*
* @author Juergen Hoeller
* @since 2.0
* @see JpaTransactionManager
* @see EntityManagerFactoryUtils
*/
public class EntityManagerHolder extends ResourceHolderSupport {
private final EntityManager entityManager;
private boolean transactionActive;
private SavepointManager savepointManager;
public EntityManagerHolder(EntityManager entityManager) {
Assert.notNull(entityManager, "EntityManager must not be null");
this.entityManager = entityManager;
}
public EntityManager getEntityManager() {
return this.entityManager;
}
protected void setTransactionActive(boolean transactionActive) {
this.transactionActive = transactionActive;
}
protected boolean isTransactionActive() {
return this.transactionActive;
}
protected void setSavepointManager(SavepointManager savepointManager) {
this.savepointManager = savepointManager;
}
protected SavepointManager getSavepointManager() {
return this.savepointManager;
}
@Override
public void clear() {
super.clear();
this.transactionActive = false;
this.savepointManager = null;
}
}